b7a3e06cf4
* ECDSA signatures and public keys in CTAP * adds one constant usage * documents pub functions in ECDSA * typo: involved * extends wrong length test
2940 lines
114 KiB
Rust
2940 lines
114 KiB
Rust
// Copyright 2019-2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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pub mod apdu;
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mod client_pin;
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pub mod command;
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mod config_command;
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mod credential_management;
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mod crypto_wrapper;
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#[cfg(feature = "with_ctap1")]
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mod ctap1;
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mod customization;
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pub mod data_formats;
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pub mod hid;
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mod key_material;
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mod large_blobs;
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mod pin_protocol;
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pub mod response;
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pub mod status_code;
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mod storage;
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mod timed_permission;
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mod token_state;
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use self::client_pin::{ClientPin, PinPermission};
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use self::command::{
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AuthenticatorGetAssertionParameters, AuthenticatorMakeCredentialParameters,
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AuthenticatorVendorConfigureParameters, Command,
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};
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use self::config_command::process_config;
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use self::credential_management::process_credential_management;
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use self::crypto_wrapper::{aes256_cbc_decrypt, aes256_cbc_encrypt};
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use self::customization::{
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DEFAULT_CRED_PROTECT, ENTERPRISE_ATTESTATION_MODE, ENTERPRISE_RP_ID_LIST,
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MAX_CREDENTIAL_COUNT_IN_LIST, MAX_CRED_BLOB_LENGTH, MAX_LARGE_BLOB_ARRAY_SIZE, MAX_MSG_SIZE,
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MAX_RP_IDS_LENGTH, USE_BATCH_ATTESTATION, USE_SIGNATURE_COUNTER,
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};
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use self::data_formats::{
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AuthenticatorTransport, CoseKey, CredentialProtectionPolicy, EnterpriseAttestationMode,
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GetAssertionExtensions, PackedAttestationStatement, PinUvAuthProtocol,
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PublicKeyCredentialDescriptor, PublicKeyCredentialParameter, PublicKeyCredentialSource,
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PublicKeyCredentialType, PublicKeyCredentialUserEntity, SignatureAlgorithm,
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};
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use self::hid::ChannelID;
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use self::large_blobs::LargeBlobs;
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use self::response::{
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AuthenticatorGetAssertionResponse, AuthenticatorGetInfoResponse,
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AuthenticatorMakeCredentialResponse, AuthenticatorVendorResponse, ResponseData,
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};
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use self::status_code::Ctap2StatusCode;
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use self::storage::PersistentStore;
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use self::timed_permission::TimedPermission;
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#[cfg(feature = "with_ctap1")]
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use self::timed_permission::U2fUserPresenceState;
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use alloc::boxed::Box;
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use alloc::string::{String, ToString};
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use alloc::vec;
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use alloc::vec::Vec;
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use arrayref::array_ref;
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use byteorder::{BigEndian, ByteOrder};
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use core::convert::TryFrom;
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#[cfg(feature = "debug_ctap")]
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use core::fmt::Write;
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use crypto::hmac::{hmac_256, verify_hmac_256};
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use crypto::rng256::Rng256;
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use crypto::sha256::Sha256;
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use crypto::Hash256;
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#[cfg(feature = "debug_ctap")]
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use libtock_drivers::console::Console;
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use libtock_drivers::crp;
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use libtock_drivers::timer::{ClockValue, Duration};
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use sk_cbor as cbor;
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use sk_cbor::cbor_map_options;
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pub const INITIAL_SIGNATURE_COUNTER: u32 = 1;
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// Our credential ID consists of
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// - 16 byte initialization vector for AES-256,
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// - 32 byte ECDSA private key for the credential,
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// - 32 byte relying party ID hashed with SHA256,
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// - 32 byte HMAC-SHA256 over everything else.
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pub const CREDENTIAL_ID_SIZE: usize = 112;
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// Set this bit when checking user presence.
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const UP_FLAG: u8 = 0x01;
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// Set this bit when checking user verification.
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const UV_FLAG: u8 = 0x04;
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// Set this bit when performing attestation.
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const AT_FLAG: u8 = 0x40;
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// Set this bit when an extension is used.
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const ED_FLAG: u8 = 0x80;
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// CTAP2 specification section 6 requires that the depth of nested CBOR structures be limited to at most four levels.
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const MAX_CBOR_NESTING_DEPTH: i8 = 4;
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pub const TOUCH_TIMEOUT_MS: isize = 30000;
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#[cfg(feature = "with_ctap1")]
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const U2F_UP_PROMPT_TIMEOUT: Duration<isize> = Duration::from_ms(10000);
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// TODO(kaczmarczyck) 2.1 allows Reset after Reset and 15 seconds?
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const RESET_TIMEOUT_DURATION: Duration<isize> = Duration::from_ms(10000);
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const STATEFUL_COMMAND_TIMEOUT_DURATION: Duration<isize> = Duration::from_ms(30000);
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pub const FIDO2_VERSION_STRING: &str = "FIDO_2_0";
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#[cfg(feature = "with_ctap1")]
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pub const U2F_VERSION_STRING: &str = "U2F_V2";
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// TODO(#106) change to final string when ready
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pub const FIDO2_1_VERSION_STRING: &str = "FIDO_2_1_PRE";
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// We currently only support one algorithm for signatures: ES256.
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// This algorithm is requested in MakeCredential and advertized in GetInfo.
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pub const ES256_CRED_PARAM: PublicKeyCredentialParameter = PublicKeyCredentialParameter {
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cred_type: PublicKeyCredentialType::PublicKey,
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alg: SignatureAlgorithm::ES256,
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};
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// Helpers to perform CBOR read/write while respecting CTAP2 nesting limits.
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fn cbor_read(encoded_cbor: &[u8]) -> Result<cbor::Value, Ctap2StatusCode> {
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cbor::reader::read_nested(encoded_cbor, Some(MAX_CBOR_NESTING_DEPTH))
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.map_err(|_e| Ctap2StatusCode::CTAP2_ERR_INVALID_CBOR)
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}
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fn cbor_write(value: cbor::Value, mut encoded_cbor: &mut Vec<u8>) -> Result<(), Ctap2StatusCode> {
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cbor::writer::write_nested(value, &mut encoded_cbor, Some(MAX_CBOR_NESTING_DEPTH))
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.map_err(|_e| Ctap2StatusCode::CTAP2_ERR_VENDOR_INTERNAL_ERROR)
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}
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// This function is adapted from https://doc.rust-lang.org/nightly/src/core/str/mod.rs.html#2110
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// (as of 2020-01-20) and truncates to "max" bytes, not breaking the encoding.
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// We change the return value, since we don't need the bool.
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fn truncate_to_char_boundary(s: &str, mut max: usize) -> &str {
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if max >= s.len() {
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s
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} else {
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while !s.is_char_boundary(max) {
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max -= 1;
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}
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&s[..max]
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}
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}
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/// Holds data necessary to sign an assertion for a credential.
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#[derive(Clone)]
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pub struct AssertionInput {
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client_data_hash: Vec<u8>,
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auth_data: Vec<u8>,
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extensions: GetAssertionExtensions,
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has_uv: bool,
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}
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/// Contains the state we need to store for GetNextAssertion.
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pub struct AssertionState {
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assertion_input: AssertionInput,
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// Sorted by ascending order of creation, so the last element is the most recent one.
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next_credential_keys: Vec<usize>,
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}
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/// Stores which command currently holds state for subsequent calls.
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pub enum StatefulCommand {
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Reset,
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GetAssertion(Box<AssertionState>),
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EnumerateRps(usize),
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EnumerateCredentials(Vec<usize>),
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}
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/// Stores the current CTAP command state and when it times out.
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///
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/// Some commands are executed in a series of calls to the authenticator.
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/// Interleaving calls to other commands interrupt the current command and
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/// remove all state and permissions. Power cycling allows the Reset command,
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/// and to prevent misuse or accidents, we disallow Reset after receiving
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/// different commands. Therefore, Reset behaves just like all other stateful
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/// commands and is included here. Please note that the allowed time for Reset
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/// differs from all other stateful commands.
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pub struct StatefulPermission {
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permission: TimedPermission,
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command_type: Option<StatefulCommand>,
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}
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impl StatefulPermission {
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/// Creates the command state at device startup.
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///
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/// Resets are only possible after a power cycle. Therefore, initialization
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/// means allowing Reset, and Reset cannot be granted later.
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pub fn new_reset(now: ClockValue) -> StatefulPermission {
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StatefulPermission {
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permission: TimedPermission::granted(now, RESET_TIMEOUT_DURATION),
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command_type: Some(StatefulCommand::Reset),
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}
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}
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/// Clears all permissions and state.
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pub fn clear(&mut self) {
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self.permission = TimedPermission::waiting();
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self.command_type = None;
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}
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/// Checks the permission timeout.
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pub fn check_command_permission(&mut self, now: ClockValue) -> Result<(), Ctap2StatusCode> {
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if self.permission.is_granted(now) {
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Ok(())
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} else {
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self.clear();
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Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
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}
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}
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/// Gets a reference to the current command state, if any exists.
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pub fn get_command(&self) -> Result<&StatefulCommand, Ctap2StatusCode> {
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self.command_type
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.as_ref()
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.ok_or(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
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}
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/// Sets a new command state, and starts a new clock for timeouts.
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pub fn set_command(&mut self, now: ClockValue, new_command_type: StatefulCommand) {
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match &new_command_type {
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// Reset is only allowed after a power cycle.
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StatefulCommand::Reset => unreachable!(),
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_ => {
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self.permission = TimedPermission::granted(now, STATEFUL_COMMAND_TIMEOUT_DURATION);
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self.command_type = Some(new_command_type);
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}
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}
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}
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/// Returns the state for the next assertion and advances it.
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///
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/// The state includes all information from GetAssertion and the storage key
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/// to the next credential that needs to be processed.
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pub fn next_assertion_credential(
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&mut self,
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) -> Result<(AssertionInput, usize), Ctap2StatusCode> {
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if let Some(StatefulCommand::GetAssertion(assertion_state)) = &mut self.command_type {
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let credential_key = assertion_state
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.next_credential_keys
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.pop()
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.ok_or(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)?;
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Ok((assertion_state.assertion_input.clone(), credential_key))
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} else {
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Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
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}
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}
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/// Returns the index to the next RP ID for enumeration and advances it.
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pub fn next_enumerate_rp(&mut self) -> Result<usize, Ctap2StatusCode> {
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if let Some(StatefulCommand::EnumerateRps(rp_id_index)) = &mut self.command_type {
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let current_index = *rp_id_index;
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*rp_id_index += 1;
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Ok(current_index)
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} else {
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Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
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}
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}
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/// Returns the next storage credential key for enumeration and advances it.
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pub fn next_enumerate_credential(&mut self) -> Result<usize, Ctap2StatusCode> {
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if let Some(StatefulCommand::EnumerateCredentials(rp_credentials)) = &mut self.command_type
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{
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rp_credentials
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.pop()
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.ok_or(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
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} else {
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Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
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}
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}
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}
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// This struct currently holds all state, not only the persistent memory. The persistent members are
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// in the persistent store field.
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pub struct CtapState<'a, R: Rng256, CheckUserPresence: Fn(ChannelID) -> Result<(), Ctap2StatusCode>>
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{
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rng: &'a mut R,
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// A function to check user presence, ultimately returning true if user presence was detected,
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// false otherwise.
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check_user_presence: CheckUserPresence,
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persistent_store: PersistentStore,
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client_pin: ClientPin,
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#[cfg(feature = "with_ctap1")]
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pub u2f_up_state: U2fUserPresenceState,
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// The state initializes to Reset and its timeout, and never goes back to Reset.
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stateful_command_permission: StatefulPermission,
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large_blobs: LargeBlobs,
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}
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impl<'a, R, CheckUserPresence> CtapState<'a, R, CheckUserPresence>
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where
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R: Rng256,
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CheckUserPresence: Fn(ChannelID) -> Result<(), Ctap2StatusCode>,
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{
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pub fn new(
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rng: &'a mut R,
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check_user_presence: CheckUserPresence,
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now: ClockValue,
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) -> CtapState<'a, R, CheckUserPresence> {
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let persistent_store = PersistentStore::new(rng);
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let client_pin = ClientPin::new(rng);
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CtapState {
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rng,
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check_user_presence,
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persistent_store,
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client_pin,
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#[cfg(feature = "with_ctap1")]
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u2f_up_state: U2fUserPresenceState::new(
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U2F_UP_PROMPT_TIMEOUT,
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Duration::from_ms(TOUCH_TIMEOUT_MS),
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),
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stateful_command_permission: StatefulPermission::new_reset(now),
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large_blobs: LargeBlobs::new(),
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}
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}
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pub fn update_timeouts(&mut self, now: ClockValue) {
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// Ignore the result, just update.
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let _ = self
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.stateful_command_permission
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.check_command_permission(now);
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self.client_pin.update_timeouts(now);
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}
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pub fn increment_global_signature_counter(&mut self) -> Result<(), Ctap2StatusCode> {
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if USE_SIGNATURE_COUNTER {
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let increment = self.rng.gen_uniform_u32x8()[0] % 8 + 1;
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self.persistent_store
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.incr_global_signature_counter(increment)?;
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}
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Ok(())
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}
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// Returns whether CTAP1 commands are currently supported.
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// If alwaysUv is enabled and the authenticator does not support internal UV,
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// CTAP1 needs to be disabled.
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#[cfg(feature = "with_ctap1")]
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pub fn allows_ctap1(&self) -> Result<bool, Ctap2StatusCode> {
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Ok(!self.persistent_store.has_always_uv()?)
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}
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// Encrypts the private key and relying party ID hash into a credential ID. Other
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// information, such as a user name, are not stored, because encrypted credential IDs
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// are used for credentials stored server-side. Also, we want the key handle to be
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// compatible with U2F.
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pub fn encrypt_key_handle(
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&mut self,
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private_key: crypto::ecdsa::SecKey,
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application: &[u8; 32],
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) -> Result<Vec<u8>, Ctap2StatusCode> {
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let master_keys = self.persistent_store.master_keys()?;
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let aes_enc_key = crypto::aes256::EncryptionKey::new(&master_keys.encryption);
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let mut plaintext = [0; 64];
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private_key.to_bytes(array_mut_ref!(plaintext, 0, 32));
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plaintext[32..64].copy_from_slice(application);
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let mut encrypted_id = aes256_cbc_encrypt(self.rng, &aes_enc_key, &plaintext, true)?;
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let id_hmac = hmac_256::<Sha256>(&master_keys.hmac, &encrypted_id[..]);
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encrypted_id.extend(&id_hmac);
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Ok(encrypted_id)
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}
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// Decrypts a credential ID and writes the private key into a PublicKeyCredentialSource.
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// None is returned if the HMAC test fails or the relying party does not match the
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// decrypted relying party ID hash.
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pub fn decrypt_credential_source(
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&self,
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credential_id: Vec<u8>,
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rp_id_hash: &[u8],
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) -> Result<Option<PublicKeyCredentialSource>, Ctap2StatusCode> {
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if credential_id.len() != CREDENTIAL_ID_SIZE {
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return Ok(None);
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}
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let master_keys = self.persistent_store.master_keys()?;
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let payload_size = credential_id.len() - 32;
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if !verify_hmac_256::<Sha256>(
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&master_keys.hmac,
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&credential_id[..payload_size],
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array_ref![credential_id, payload_size, 32],
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) {
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return Ok(None);
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}
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let aes_enc_key = crypto::aes256::EncryptionKey::new(&master_keys.encryption);
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let decrypted_id = aes256_cbc_decrypt(&aes_enc_key, &credential_id[..payload_size], true)?;
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if rp_id_hash != &decrypted_id[32..64] {
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return Ok(None);
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}
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let sk_option = crypto::ecdsa::SecKey::from_bytes(array_ref!(decrypted_id, 0, 32));
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Ok(sk_option.map(|sk| PublicKeyCredentialSource {
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key_type: PublicKeyCredentialType::PublicKey,
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credential_id,
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private_key: sk,
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rp_id: String::from(""),
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user_handle: vec![],
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user_display_name: None,
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cred_protect_policy: None,
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creation_order: 0,
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user_name: None,
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user_icon: None,
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cred_blob: None,
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large_blob_key: None,
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}))
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}
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pub fn process_command(
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&mut self,
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command_cbor: &[u8],
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cid: ChannelID,
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now: ClockValue,
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) -> Vec<u8> {
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let cmd = Command::deserialize(command_cbor);
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#[cfg(feature = "debug_ctap")]
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writeln!(&mut Console::new(), "Received command: {:#?}", cmd).unwrap();
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match cmd {
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Ok(command) => {
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// Correct behavior between CTAP1 and CTAP2 isn't defined yet. Just a guess.
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#[cfg(feature = "with_ctap1")]
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{
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self.u2f_up_state = U2fUserPresenceState::new(
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U2F_UP_PROMPT_TIMEOUT,
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Duration::from_ms(TOUCH_TIMEOUT_MS),
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);
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}
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match (&command, self.stateful_command_permission.get_command()) {
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(Command::AuthenticatorGetNextAssertion, Ok(StatefulCommand::GetAssertion(_)))
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| (Command::AuthenticatorReset, Ok(StatefulCommand::Reset))
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// AuthenticatorGetInfo still allows Reset.
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| (Command::AuthenticatorGetInfo, Ok(StatefulCommand::Reset))
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// AuthenticatorSelection still allows Reset.
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| (Command::AuthenticatorSelection, Ok(StatefulCommand::Reset))
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// AuthenticatorCredentialManagement handles its subcommands later.
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| (
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Command::AuthenticatorCredentialManagement(_),
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Ok(StatefulCommand::EnumerateRps(_)),
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)
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| (
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Command::AuthenticatorCredentialManagement(_),
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Ok(StatefulCommand::EnumerateCredentials(_)),
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) => (),
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(_, _) => self.stateful_command_permission.clear(),
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}
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let response = match command {
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Command::AuthenticatorMakeCredential(params) => {
|
|
self.process_make_credential(params, cid)
|
|
}
|
|
Command::AuthenticatorGetAssertion(params) => {
|
|
self.process_get_assertion(params, cid, now)
|
|
}
|
|
Command::AuthenticatorGetNextAssertion => self.process_get_next_assertion(now),
|
|
Command::AuthenticatorGetInfo => self.process_get_info(),
|
|
Command::AuthenticatorClientPin(params) => self.client_pin.process_command(
|
|
self.rng,
|
|
&mut self.persistent_store,
|
|
params,
|
|
now,
|
|
),
|
|
Command::AuthenticatorReset => self.process_reset(cid, now),
|
|
Command::AuthenticatorCredentialManagement(params) => {
|
|
process_credential_management(
|
|
&mut self.persistent_store,
|
|
&mut self.stateful_command_permission,
|
|
&mut self.client_pin,
|
|
params,
|
|
now,
|
|
)
|
|
}
|
|
Command::AuthenticatorSelection => self.process_selection(cid),
|
|
Command::AuthenticatorLargeBlobs(params) => self.large_blobs.process_command(
|
|
&mut self.persistent_store,
|
|
&mut self.client_pin,
|
|
params,
|
|
),
|
|
Command::AuthenticatorConfig(params) => {
|
|
process_config(&mut self.persistent_store, &mut self.client_pin, params)
|
|
}
|
|
// Vendor specific commands
|
|
Command::AuthenticatorVendorConfigure(params) => {
|
|
self.process_vendor_configure(params, cid)
|
|
}
|
|
};
|
|
#[cfg(feature = "debug_ctap")]
|
|
writeln!(&mut Console::new(), "Sending response: {:#?}", response).unwrap();
|
|
match response {
|
|
Ok(response_data) => {
|
|
let mut response_vec = vec![0x00];
|
|
if let Some(value) = response_data.into() {
|
|
if cbor_write(value, &mut response_vec).is_err() {
|
|
response_vec =
|
|
vec![Ctap2StatusCode::CTAP2_ERR_VENDOR_INTERNAL_ERROR as u8];
|
|
}
|
|
}
|
|
response_vec
|
|
}
|
|
Err(error_code) => vec![error_code as u8],
|
|
}
|
|
}
|
|
Err(error_code) => vec![error_code as u8],
|
|
}
|
|
}
|
|
|
|
fn pin_uv_auth_precheck(
|
|
&mut self,
|
|
pin_uv_auth_param: &Option<Vec<u8>>,
|
|
pin_uv_auth_protocol: Option<PinUvAuthProtocol>,
|
|
cid: ChannelID,
|
|
) -> Result<(), Ctap2StatusCode> {
|
|
if let Some(auth_param) = &pin_uv_auth_param {
|
|
// This case was added in FIDO 2.1.
|
|
if auth_param.is_empty() {
|
|
(self.check_user_presence)(cid)?;
|
|
if self.persistent_store.pin_hash()?.is_none() {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PIN_NOT_SET);
|
|
} else {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PIN_INVALID);
|
|
}
|
|
}
|
|
pin_uv_auth_protocol.ok_or(Ctap2StatusCode::CTAP2_ERR_MISSING_PARAMETER)?;
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn process_make_credential(
|
|
&mut self,
|
|
make_credential_params: AuthenticatorMakeCredentialParameters,
|
|
cid: ChannelID,
|
|
) -> Result<ResponseData, Ctap2StatusCode> {
|
|
let AuthenticatorMakeCredentialParameters {
|
|
client_data_hash,
|
|
rp,
|
|
user,
|
|
pub_key_cred_params,
|
|
exclude_list,
|
|
extensions,
|
|
options,
|
|
pin_uv_auth_param,
|
|
pin_uv_auth_protocol,
|
|
enterprise_attestation,
|
|
} = make_credential_params;
|
|
|
|
self.pin_uv_auth_precheck(&pin_uv_auth_param, pin_uv_auth_protocol, cid)?;
|
|
|
|
if !pub_key_cred_params.contains(&ES256_CRED_PARAM) {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_UNSUPPORTED_ALGORITHM);
|
|
}
|
|
|
|
let rp_id = rp.rp_id;
|
|
let ep_att = if let Some(enterprise_attestation) = enterprise_attestation {
|
|
let authenticator_mode =
|
|
ENTERPRISE_ATTESTATION_MODE.ok_or(Ctap2StatusCode::CTAP1_ERR_INVALID_PARAMETER)?;
|
|
if !self.persistent_store.enterprise_attestation()? {
|
|
return Err(Ctap2StatusCode::CTAP1_ERR_INVALID_PARAMETER);
|
|
}
|
|
match (
|
|
EnterpriseAttestationMode::try_from(enterprise_attestation)?,
|
|
authenticator_mode,
|
|
) {
|
|
(
|
|
EnterpriseAttestationMode::PlatformManaged,
|
|
EnterpriseAttestationMode::PlatformManaged,
|
|
) => ENTERPRISE_RP_ID_LIST.contains(&rp_id.as_str()),
|
|
_ => true,
|
|
}
|
|
} else {
|
|
false
|
|
};
|
|
|
|
// MakeCredential always requires user presence.
|
|
// User verification depends on the PIN auth inputs, which are checked here.
|
|
// The ED flag is added later, if applicable.
|
|
let has_uv = pin_uv_auth_param.is_some();
|
|
let mut flags = match pin_uv_auth_param {
|
|
Some(pin_uv_auth_param) => {
|
|
// This case is not mentioned in CTAP2.1, so we keep 2.0 logic.
|
|
if self.persistent_store.pin_hash()?.is_none() {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PIN_NOT_SET);
|
|
}
|
|
self.client_pin.verify_pin_uv_auth_token(
|
|
&client_data_hash,
|
|
&pin_uv_auth_param,
|
|
pin_uv_auth_protocol.ok_or(Ctap2StatusCode::CTAP2_ERR_MISSING_PARAMETER)?,
|
|
)?;
|
|
self.client_pin
|
|
.has_permission(PinPermission::MakeCredential)?;
|
|
self.client_pin.check_user_verified_flag()?;
|
|
// Checking for the correct permissions_rp_id is specified earlier.
|
|
// Error codes are identical though, so the implementation can be identical with
|
|
// GetAssertion.
|
|
self.client_pin.ensure_rp_id_permission(&rp_id)?;
|
|
UV_FLAG
|
|
}
|
|
None => {
|
|
if options.uv {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_INVALID_OPTION);
|
|
}
|
|
if self.persistent_store.has_always_uv()? {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PUAT_REQUIRED);
|
|
}
|
|
// Corresponds to makeCredUvNotRqd set to true.
|
|
if options.rk && self.persistent_store.pin_hash()?.is_some() {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PUAT_REQUIRED);
|
|
}
|
|
0x00
|
|
}
|
|
};
|
|
flags |= UP_FLAG | AT_FLAG;
|
|
|
|
let rp_id_hash = Sha256::hash(rp_id.as_bytes());
|
|
if let Some(exclude_list) = exclude_list {
|
|
for cred_desc in exclude_list {
|
|
if self
|
|
.persistent_store
|
|
.find_credential(&rp_id, &cred_desc.key_id, !has_uv)?
|
|
.is_some()
|
|
|| self
|
|
.decrypt_credential_source(cred_desc.key_id, &rp_id_hash)?
|
|
.is_some()
|
|
{
|
|
// Perform this check, so bad actors can't brute force exclude_list
|
|
// without user interaction.
|
|
let _ = (self.check_user_presence)(cid);
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_CREDENTIAL_EXCLUDED);
|
|
}
|
|
}
|
|
}
|
|
|
|
(self.check_user_presence)(cid)?;
|
|
self.client_pin.clear_token_flags();
|
|
|
|
let mut cred_protect_policy = extensions.cred_protect;
|
|
if cred_protect_policy.unwrap_or(CredentialProtectionPolicy::UserVerificationOptional)
|
|
< DEFAULT_CRED_PROTECT.unwrap_or(CredentialProtectionPolicy::UserVerificationOptional)
|
|
{
|
|
cred_protect_policy = DEFAULT_CRED_PROTECT;
|
|
}
|
|
let min_pin_length = extensions.min_pin_length
|
|
&& self
|
|
.persistent_store
|
|
.min_pin_length_rp_ids()?
|
|
.contains(&rp_id);
|
|
// None for no input, false for invalid input, true for valid input.
|
|
let has_cred_blob_output = extensions.cred_blob.is_some();
|
|
let cred_blob = extensions
|
|
.cred_blob
|
|
.filter(|c| options.rk && c.len() <= MAX_CRED_BLOB_LENGTH);
|
|
let cred_blob_output = if has_cred_blob_output {
|
|
Some(cred_blob.is_some())
|
|
} else {
|
|
None
|
|
};
|
|
let has_extension_output = extensions.hmac_secret
|
|
|| extensions.cred_protect.is_some()
|
|
|| min_pin_length
|
|
|| has_cred_blob_output;
|
|
if has_extension_output {
|
|
flags |= ED_FLAG
|
|
};
|
|
let large_blob_key = match (options.rk, extensions.large_blob_key) {
|
|
(true, Some(true)) => Some(self.rng.gen_uniform_u8x32().to_vec()),
|
|
_ => None,
|
|
};
|
|
|
|
let sk = crypto::ecdsa::SecKey::gensk(self.rng);
|
|
let pk = sk.genpk();
|
|
|
|
let credential_id = if options.rk {
|
|
let random_id = self.rng.gen_uniform_u8x32().to_vec();
|
|
let credential_source = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id: random_id.clone(),
|
|
private_key: sk.clone(),
|
|
rp_id,
|
|
user_handle: user.user_id,
|
|
// This input is user provided, so we crop it to 64 byte for storage.
|
|
// The UTF8 encoding is always preserved, so the string might end up shorter.
|
|
user_display_name: user
|
|
.user_display_name
|
|
.map(|s| truncate_to_char_boundary(&s, 64).to_string()),
|
|
cred_protect_policy,
|
|
creation_order: self.persistent_store.new_creation_order()?,
|
|
user_name: user
|
|
.user_name
|
|
.map(|s| truncate_to_char_boundary(&s, 64).to_string()),
|
|
user_icon: user
|
|
.user_icon
|
|
.map(|s| truncate_to_char_boundary(&s, 64).to_string()),
|
|
cred_blob,
|
|
large_blob_key: large_blob_key.clone(),
|
|
};
|
|
self.persistent_store.store_credential(credential_source)?;
|
|
random_id
|
|
} else {
|
|
self.encrypt_key_handle(sk.clone(), &rp_id_hash)?
|
|
};
|
|
|
|
let mut auth_data = self.generate_auth_data(&rp_id_hash, flags)?;
|
|
auth_data.extend(&self.persistent_store.aaguid()?);
|
|
// The length is fixed to 0x20 or 0x70 and fits one byte.
|
|
if credential_id.len() > 0xFF {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_VENDOR_INTERNAL_ERROR);
|
|
}
|
|
auth_data.extend(vec![0x00, credential_id.len() as u8]);
|
|
auth_data.extend(&credential_id);
|
|
cbor_write(cbor::Value::from(CoseKey::from(pk)), &mut auth_data)?;
|
|
if has_extension_output {
|
|
let hmac_secret_output = if extensions.hmac_secret {
|
|
Some(true)
|
|
} else {
|
|
None
|
|
};
|
|
let min_pin_length_output = if min_pin_length {
|
|
Some(self.persistent_store.min_pin_length()? as u64)
|
|
} else {
|
|
None
|
|
};
|
|
let cred_protect_output = extensions.cred_protect.and(cred_protect_policy);
|
|
let extensions_output = cbor_map_options! {
|
|
"credBlob" => cred_blob_output,
|
|
"credProtect" => cred_protect_output,
|
|
"hmac-secret" => hmac_secret_output,
|
|
"minPinLength" => min_pin_length_output,
|
|
};
|
|
cbor_write(extensions_output, &mut auth_data)?;
|
|
}
|
|
|
|
let mut signature_data = auth_data.clone();
|
|
signature_data.extend(client_data_hash);
|
|
|
|
let (signature, x5c) = if USE_BATCH_ATTESTATION || ep_att {
|
|
let attestation_private_key = self
|
|
.persistent_store
|
|
.attestation_private_key()?
|
|
.ok_or(Ctap2StatusCode::CTAP2_ERR_VENDOR_INTERNAL_ERROR)?;
|
|
let attestation_key =
|
|
crypto::ecdsa::SecKey::from_bytes(&attestation_private_key).unwrap();
|
|
let attestation_certificate = self
|
|
.persistent_store
|
|
.attestation_certificate()?
|
|
.ok_or(Ctap2StatusCode::CTAP2_ERR_VENDOR_INTERNAL_ERROR)?;
|
|
(
|
|
attestation_key.sign_rfc6979::<Sha256>(&signature_data),
|
|
Some(vec![attestation_certificate]),
|
|
)
|
|
} else {
|
|
(sk.sign_rfc6979::<Sha256>(&signature_data), None)
|
|
};
|
|
let attestation_statement = PackedAttestationStatement {
|
|
alg: SignatureAlgorithm::ES256 as i64,
|
|
sig: signature.to_asn1_der(),
|
|
x5c,
|
|
ecdaa_key_id: None,
|
|
};
|
|
let ep_att = if ep_att { Some(true) } else { None };
|
|
Ok(ResponseData::AuthenticatorMakeCredential(
|
|
AuthenticatorMakeCredentialResponse {
|
|
fmt: String::from("packed"),
|
|
auth_data,
|
|
att_stmt: attestation_statement,
|
|
ep_att,
|
|
large_blob_key,
|
|
},
|
|
))
|
|
}
|
|
|
|
// Generates a different per-credential secret for each UV mode.
|
|
// The computation is deterministic, and private_key expected to be unique.
|
|
fn generate_cred_random(
|
|
&mut self,
|
|
private_key: &crypto::ecdsa::SecKey,
|
|
has_uv: bool,
|
|
) -> Result<[u8; 32], Ctap2StatusCode> {
|
|
let mut private_key_bytes = [0u8; 32];
|
|
private_key.to_bytes(&mut private_key_bytes);
|
|
let key = self.persistent_store.cred_random_secret(has_uv)?;
|
|
Ok(hmac_256::<Sha256>(&key, &private_key_bytes))
|
|
}
|
|
|
|
// Processes the input of a get_assertion operation for a given credential
|
|
// and returns the correct Get(Next)Assertion response.
|
|
fn assertion_response(
|
|
&mut self,
|
|
mut credential: PublicKeyCredentialSource,
|
|
assertion_input: AssertionInput,
|
|
number_of_credentials: Option<usize>,
|
|
) -> Result<ResponseData, Ctap2StatusCode> {
|
|
let AssertionInput {
|
|
client_data_hash,
|
|
mut auth_data,
|
|
extensions,
|
|
has_uv,
|
|
} = assertion_input;
|
|
|
|
// Process extensions.
|
|
if extensions.hmac_secret.is_some() || extensions.cred_blob {
|
|
let encrypted_output = if let Some(hmac_secret_input) = extensions.hmac_secret {
|
|
let cred_random = self.generate_cred_random(&credential.private_key, has_uv)?;
|
|
Some(self.client_pin.process_hmac_secret(
|
|
self.rng,
|
|
hmac_secret_input,
|
|
&cred_random,
|
|
)?)
|
|
} else {
|
|
None
|
|
};
|
|
// This could be written more nicely with `then_some` when stable.
|
|
let cred_blob = if extensions.cred_blob {
|
|
Some(credential.cred_blob.unwrap_or_default())
|
|
} else {
|
|
None
|
|
};
|
|
let extensions_output = cbor_map_options! {
|
|
"credBlob" => cred_blob,
|
|
"hmac-secret" => encrypted_output,
|
|
};
|
|
cbor_write(extensions_output, &mut auth_data)?;
|
|
}
|
|
let large_blob_key = match extensions.large_blob_key {
|
|
Some(true) => credential.large_blob_key,
|
|
_ => None,
|
|
};
|
|
|
|
let mut signature_data = auth_data.clone();
|
|
signature_data.extend(client_data_hash);
|
|
let signature = credential
|
|
.private_key
|
|
.sign_rfc6979::<Sha256>(&signature_data);
|
|
|
|
let cred_desc = PublicKeyCredentialDescriptor {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
key_id: credential.credential_id,
|
|
transports: None, // You can set USB as a hint here.
|
|
};
|
|
// Remove user identifiable information without uv.
|
|
if !has_uv {
|
|
credential.user_name = None;
|
|
credential.user_display_name = None;
|
|
credential.user_icon = None;
|
|
}
|
|
let user = if !credential.user_handle.is_empty() {
|
|
Some(PublicKeyCredentialUserEntity {
|
|
user_id: credential.user_handle,
|
|
user_name: credential.user_name,
|
|
user_display_name: credential.user_display_name,
|
|
user_icon: credential.user_icon,
|
|
})
|
|
} else {
|
|
None
|
|
};
|
|
Ok(ResponseData::AuthenticatorGetAssertion(
|
|
AuthenticatorGetAssertionResponse {
|
|
credential: Some(cred_desc),
|
|
auth_data,
|
|
signature: signature.to_asn1_der(),
|
|
user,
|
|
number_of_credentials: number_of_credentials.map(|n| n as u64),
|
|
large_blob_key,
|
|
},
|
|
))
|
|
}
|
|
|
|
// Returns the first applicable credential from the allow list.
|
|
fn get_any_credential_from_allow_list(
|
|
&mut self,
|
|
allow_list: Vec<PublicKeyCredentialDescriptor>,
|
|
rp_id: &str,
|
|
rp_id_hash: &[u8],
|
|
has_uv: bool,
|
|
) -> Result<Option<PublicKeyCredentialSource>, Ctap2StatusCode> {
|
|
for allowed_credential in allow_list {
|
|
let credential = self.persistent_store.find_credential(
|
|
rp_id,
|
|
&allowed_credential.key_id,
|
|
!has_uv,
|
|
)?;
|
|
if credential.is_some() {
|
|
return Ok(credential);
|
|
}
|
|
let credential =
|
|
self.decrypt_credential_source(allowed_credential.key_id, &rp_id_hash)?;
|
|
if credential.is_some() {
|
|
return Ok(credential);
|
|
}
|
|
}
|
|
Ok(None)
|
|
}
|
|
|
|
fn process_get_assertion(
|
|
&mut self,
|
|
get_assertion_params: AuthenticatorGetAssertionParameters,
|
|
cid: ChannelID,
|
|
now: ClockValue,
|
|
) -> Result<ResponseData, Ctap2StatusCode> {
|
|
let AuthenticatorGetAssertionParameters {
|
|
rp_id,
|
|
client_data_hash,
|
|
allow_list,
|
|
extensions,
|
|
options,
|
|
pin_uv_auth_param,
|
|
pin_uv_auth_protocol,
|
|
} = get_assertion_params;
|
|
|
|
self.pin_uv_auth_precheck(&pin_uv_auth_param, pin_uv_auth_protocol, cid)?;
|
|
|
|
if extensions.hmac_secret.is_some() && !options.up {
|
|
// The extension is actually supported, but we need user presence.
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_UNSUPPORTED_OPTION);
|
|
}
|
|
|
|
// The user verification bit depends on the existance of PIN auth, since we do
|
|
// not support internal UV. User presence is requested as an option.
|
|
let has_uv = pin_uv_auth_param.is_some();
|
|
let mut flags = match pin_uv_auth_param {
|
|
Some(pin_uv_auth_param) => {
|
|
// This case is not mentioned in CTAP2.1, so we keep 2.0 logic.
|
|
if self.persistent_store.pin_hash()?.is_none() {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PIN_NOT_SET);
|
|
}
|
|
self.client_pin.verify_pin_uv_auth_token(
|
|
&client_data_hash,
|
|
&pin_uv_auth_param,
|
|
pin_uv_auth_protocol.ok_or(Ctap2StatusCode::CTAP2_ERR_MISSING_PARAMETER)?,
|
|
)?;
|
|
self.client_pin
|
|
.has_permission(PinPermission::GetAssertion)?;
|
|
// Checking for the UV flag is specified earlier for GetAssertion.
|
|
// Error codes are identical though, so the implementation can be identical with
|
|
// MakeCredential.
|
|
self.client_pin.check_user_verified_flag()?;
|
|
self.client_pin.ensure_rp_id_permission(&rp_id)?;
|
|
UV_FLAG
|
|
}
|
|
None => {
|
|
if options.uv {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_INVALID_OPTION);
|
|
}
|
|
if options.up && self.persistent_store.has_always_uv()? {
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_PUAT_REQUIRED);
|
|
}
|
|
0x00
|
|
}
|
|
};
|
|
if options.up {
|
|
flags |= UP_FLAG;
|
|
}
|
|
if extensions.hmac_secret.is_some() || extensions.cred_blob {
|
|
flags |= ED_FLAG;
|
|
}
|
|
|
|
let rp_id_hash = Sha256::hash(rp_id.as_bytes());
|
|
let (credential, next_credential_keys) = if let Some(allow_list) = allow_list {
|
|
(
|
|
self.get_any_credential_from_allow_list(allow_list, &rp_id, &rp_id_hash, has_uv)?,
|
|
vec![],
|
|
)
|
|
} else {
|
|
let mut iter_result = Ok(());
|
|
let iter = self.persistent_store.iter_credentials(&mut iter_result)?;
|
|
let mut stored_credentials: Vec<(usize, u64)> = iter
|
|
.filter_map(|(key, credential)| {
|
|
if credential.rp_id == rp_id && (has_uv || credential.is_discoverable()) {
|
|
Some((key, credential.creation_order))
|
|
} else {
|
|
None
|
|
}
|
|
})
|
|
.collect();
|
|
iter_result?;
|
|
stored_credentials.sort_unstable_by_key(|&(_key, order)| order);
|
|
let mut stored_credentials: Vec<usize> = stored_credentials
|
|
.into_iter()
|
|
.map(|(key, _order)| key)
|
|
.collect();
|
|
let credential = stored_credentials
|
|
.pop()
|
|
.map(|key| self.persistent_store.get_credential(key))
|
|
.transpose()?;
|
|
(credential, stored_credentials)
|
|
};
|
|
|
|
let credential = credential.ok_or(Ctap2StatusCode::CTAP2_ERR_NO_CREDENTIALS)?;
|
|
|
|
// This check comes before CTAP2_ERR_NO_CREDENTIALS in CTAP 2.0.
|
|
if options.up {
|
|
(self.check_user_presence)(cid)?;
|
|
self.client_pin.clear_token_flags();
|
|
}
|
|
|
|
self.increment_global_signature_counter()?;
|
|
|
|
let assertion_input = AssertionInput {
|
|
client_data_hash,
|
|
auth_data: self.generate_auth_data(&rp_id_hash, flags)?,
|
|
extensions,
|
|
has_uv,
|
|
};
|
|
let number_of_credentials = if next_credential_keys.is_empty() {
|
|
None
|
|
} else {
|
|
let number_of_credentials = Some(next_credential_keys.len() + 1);
|
|
let assertion_state = StatefulCommand::GetAssertion(Box::new(AssertionState {
|
|
assertion_input: assertion_input.clone(),
|
|
next_credential_keys,
|
|
}));
|
|
self.stateful_command_permission
|
|
.set_command(now, assertion_state);
|
|
number_of_credentials
|
|
};
|
|
self.assertion_response(credential, assertion_input, number_of_credentials)
|
|
}
|
|
|
|
fn process_get_next_assertion(
|
|
&mut self,
|
|
now: ClockValue,
|
|
) -> Result<ResponseData, Ctap2StatusCode> {
|
|
self.stateful_command_permission
|
|
.check_command_permission(now)?;
|
|
let (assertion_input, credential_key) = self
|
|
.stateful_command_permission
|
|
.next_assertion_credential()?;
|
|
let credential = self.persistent_store.get_credential(credential_key)?;
|
|
self.assertion_response(credential, assertion_input, None)
|
|
}
|
|
|
|
fn process_get_info(&self) -> Result<ResponseData, Ctap2StatusCode> {
|
|
let has_always_uv = self.persistent_store.has_always_uv()?;
|
|
#[cfg_attr(not(feature = "with_ctap1"), allow(unused_mut))]
|
|
let mut versions = vec![
|
|
String::from(FIDO2_VERSION_STRING),
|
|
String::from(FIDO2_1_VERSION_STRING),
|
|
];
|
|
#[cfg(feature = "with_ctap1")]
|
|
{
|
|
if !has_always_uv {
|
|
versions.insert(0, String::from(U2F_VERSION_STRING))
|
|
}
|
|
}
|
|
let mut options = vec![];
|
|
if ENTERPRISE_ATTESTATION_MODE.is_some() {
|
|
options.push((
|
|
String::from("ep"),
|
|
self.persistent_store.enterprise_attestation()?,
|
|
));
|
|
}
|
|
options.append(&mut vec![
|
|
(String::from("rk"), true),
|
|
(String::from("up"), true),
|
|
(String::from("alwaysUv"), has_always_uv),
|
|
(String::from("credMgmt"), true),
|
|
(String::from("authnrCfg"), true),
|
|
(
|
|
String::from("clientPin"),
|
|
self.persistent_store.pin_hash()?.is_some(),
|
|
),
|
|
(String::from("largeBlobs"), true),
|
|
(String::from("pinUvAuthToken"), true),
|
|
(String::from("setMinPINLength"), true),
|
|
(String::from("makeCredUvNotRqd"), !has_always_uv),
|
|
]);
|
|
|
|
Ok(ResponseData::AuthenticatorGetInfo(
|
|
AuthenticatorGetInfoResponse {
|
|
versions,
|
|
extensions: Some(vec![
|
|
String::from("hmac-secret"),
|
|
String::from("credProtect"),
|
|
String::from("minPinLength"),
|
|
String::from("credBlob"),
|
|
String::from("largeBlobKey"),
|
|
]),
|
|
aaguid: self.persistent_store.aaguid()?,
|
|
options: Some(options),
|
|
max_msg_size: Some(MAX_MSG_SIZE as u64),
|
|
// The order implies preference. We favor the new V2.
|
|
pin_protocols: Some(vec![
|
|
PinUvAuthProtocol::V2 as u64,
|
|
PinUvAuthProtocol::V1 as u64,
|
|
]),
|
|
max_credential_count_in_list: MAX_CREDENTIAL_COUNT_IN_LIST.map(|c| c as u64),
|
|
max_credential_id_length: Some(CREDENTIAL_ID_SIZE as u64),
|
|
transports: Some(vec![AuthenticatorTransport::Usb]),
|
|
algorithms: Some(vec![ES256_CRED_PARAM]),
|
|
max_serialized_large_blob_array: Some(MAX_LARGE_BLOB_ARRAY_SIZE as u64),
|
|
force_pin_change: Some(self.persistent_store.has_force_pin_change()?),
|
|
min_pin_length: self.persistent_store.min_pin_length()?,
|
|
firmware_version: None,
|
|
max_cred_blob_length: Some(MAX_CRED_BLOB_LENGTH as u64),
|
|
max_rp_ids_for_set_min_pin_length: Some(MAX_RP_IDS_LENGTH as u64),
|
|
certifications: None,
|
|
remaining_discoverable_credentials: Some(
|
|
self.persistent_store.remaining_credentials()? as u64,
|
|
),
|
|
},
|
|
))
|
|
}
|
|
|
|
fn process_reset(
|
|
&mut self,
|
|
cid: ChannelID,
|
|
now: ClockValue,
|
|
) -> Result<ResponseData, Ctap2StatusCode> {
|
|
self.stateful_command_permission
|
|
.check_command_permission(now)?;
|
|
match self.stateful_command_permission.get_command()? {
|
|
StatefulCommand::Reset => (),
|
|
_ => return Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED),
|
|
}
|
|
(self.check_user_presence)(cid)?;
|
|
|
|
self.persistent_store.reset(self.rng)?;
|
|
self.client_pin.reset(self.rng);
|
|
#[cfg(feature = "with_ctap1")]
|
|
{
|
|
self.u2f_up_state = U2fUserPresenceState::new(
|
|
U2F_UP_PROMPT_TIMEOUT,
|
|
Duration::from_ms(TOUCH_TIMEOUT_MS),
|
|
);
|
|
}
|
|
Ok(ResponseData::AuthenticatorReset)
|
|
}
|
|
|
|
fn process_selection(&self, cid: ChannelID) -> Result<ResponseData, Ctap2StatusCode> {
|
|
(self.check_user_presence)(cid)?;
|
|
Ok(ResponseData::AuthenticatorSelection)
|
|
}
|
|
|
|
fn process_vendor_configure(
|
|
&mut self,
|
|
params: AuthenticatorVendorConfigureParameters,
|
|
cid: ChannelID,
|
|
) -> Result<ResponseData, Ctap2StatusCode> {
|
|
(self.check_user_presence)(cid)?;
|
|
|
|
// Sanity checks
|
|
let current_priv_key = self.persistent_store.attestation_private_key()?;
|
|
let current_cert = self.persistent_store.attestation_certificate()?;
|
|
|
|
let response = match params.attestation_material {
|
|
// Only reading values.
|
|
None => AuthenticatorVendorResponse {
|
|
cert_programmed: current_cert.is_some(),
|
|
pkey_programmed: current_priv_key.is_some(),
|
|
},
|
|
// Device is already fully programmed. We don't leak information.
|
|
Some(_) if current_cert.is_some() && current_priv_key.is_some() => {
|
|
AuthenticatorVendorResponse {
|
|
cert_programmed: true,
|
|
pkey_programmed: true,
|
|
}
|
|
}
|
|
// Device is partially or not programmed. We complete the process.
|
|
Some(data) => {
|
|
if let Some(current_cert) = ¤t_cert {
|
|
if current_cert != &data.certificate {
|
|
return Err(Ctap2StatusCode::CTAP1_ERR_INVALID_PARAMETER);
|
|
}
|
|
}
|
|
if let Some(current_priv_key) = ¤t_priv_key {
|
|
if current_priv_key != &data.private_key {
|
|
return Err(Ctap2StatusCode::CTAP1_ERR_INVALID_PARAMETER);
|
|
}
|
|
}
|
|
if current_cert.is_none() {
|
|
self.persistent_store
|
|
.set_attestation_certificate(&data.certificate)?;
|
|
}
|
|
if current_priv_key.is_none() {
|
|
self.persistent_store
|
|
.set_attestation_private_key(&data.private_key)?;
|
|
}
|
|
AuthenticatorVendorResponse {
|
|
cert_programmed: true,
|
|
pkey_programmed: true,
|
|
}
|
|
}
|
|
};
|
|
if params.lockdown {
|
|
// To avoid bricking the authenticator, we only allow lockdown
|
|
// to happen if both values are programmed or if both U2F/CTAP1 and
|
|
// batch attestation are disabled.
|
|
#[cfg(feature = "with_ctap1")]
|
|
let need_certificate = true;
|
|
#[cfg(not(feature = "with_ctap1"))]
|
|
let need_certificate = USE_BATCH_ATTESTATION;
|
|
|
|
if (need_certificate && !(response.pkey_programmed && response.cert_programmed))
|
|
|| crp::set_protection(crp::ProtectionLevel::FullyLocked).is_err()
|
|
{
|
|
return Err(Ctap2StatusCode::CTAP2_ERR_VENDOR_INTERNAL_ERROR);
|
|
}
|
|
}
|
|
Ok(ResponseData::AuthenticatorVendor(response))
|
|
}
|
|
|
|
pub fn generate_auth_data(
|
|
&self,
|
|
rp_id_hash: &[u8],
|
|
flag_byte: u8,
|
|
) -> Result<Vec<u8>, Ctap2StatusCode> {
|
|
let mut auth_data = vec![];
|
|
auth_data.extend(rp_id_hash);
|
|
auth_data.push(flag_byte);
|
|
// The global counter is only increased if USE_SIGNATURE_COUNTER is true.
|
|
// It uses a big-endian representation.
|
|
let mut signature_counter = [0u8; 4];
|
|
BigEndian::write_u32(
|
|
&mut signature_counter,
|
|
self.persistent_store.global_signature_counter()?,
|
|
);
|
|
auth_data.extend(&signature_counter);
|
|
Ok(auth_data)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod test {
|
|
use super::client_pin::PIN_TOKEN_LENGTH;
|
|
use super::command::{AuthenticatorAttestationMaterial, AuthenticatorClientPinParameters};
|
|
use super::data_formats::{
|
|
ClientPinSubCommand, CoseKey, GetAssertionHmacSecretInput, GetAssertionOptions,
|
|
MakeCredentialExtensions, MakeCredentialOptions, PinUvAuthProtocol,
|
|
PublicKeyCredentialRpEntity, PublicKeyCredentialUserEntity,
|
|
};
|
|
use super::pin_protocol::{authenticate_pin_uv_auth_token, PinProtocol};
|
|
use super::*;
|
|
use cbor::{cbor_array, cbor_array_vec, cbor_map};
|
|
use crypto::rng256::ThreadRng256;
|
|
|
|
const CLOCK_FREQUENCY_HZ: usize = 32768;
|
|
const DUMMY_CLOCK_VALUE: ClockValue = ClockValue::new(0, CLOCK_FREQUENCY_HZ);
|
|
// The keep-alive logic in the processing of some commands needs a channel ID to send
|
|
// keep-alive packets to.
|
|
// In tests where we define a dummy user-presence check that immediately returns, the channel
|
|
// ID is irrelevant, so we pass this (dummy but valid) value.
|
|
const DUMMY_CHANNEL_ID: ChannelID = [0x12, 0x34, 0x56, 0x78];
|
|
|
|
fn check_make_response(
|
|
make_credential_response: Result<ResponseData, Ctap2StatusCode>,
|
|
flags: u8,
|
|
expected_aaguid: &[u8],
|
|
expected_credential_id_size: u8,
|
|
expected_extension_cbor: &[u8],
|
|
) {
|
|
match make_credential_response.unwrap() {
|
|
ResponseData::AuthenticatorMakeCredential(make_credential_response) => {
|
|
let AuthenticatorMakeCredentialResponse {
|
|
fmt,
|
|
auth_data,
|
|
att_stmt,
|
|
ep_att,
|
|
large_blob_key,
|
|
} = make_credential_response;
|
|
// The expected response is split to only assert the non-random parts.
|
|
assert_eq!(fmt, "packed");
|
|
let mut expected_auth_data = vec![
|
|
0xA3, 0x79, 0xA6, 0xF6, 0xEE, 0xAF, 0xB9, 0xA5, 0x5E, 0x37, 0x8C, 0x11, 0x80,
|
|
0x34, 0xE2, 0x75, 0x1E, 0x68, 0x2F, 0xAB, 0x9F, 0x2D, 0x30, 0xAB, 0x13, 0xD2,
|
|
0x12, 0x55, 0x86, 0xCE, 0x19, 0x47, flags, 0x00, 0x00, 0x00,
|
|
];
|
|
expected_auth_data.push(INITIAL_SIGNATURE_COUNTER as u8);
|
|
expected_auth_data.extend(expected_aaguid);
|
|
expected_auth_data.extend(&[0x00, expected_credential_id_size]);
|
|
assert_eq!(
|
|
auth_data[0..expected_auth_data.len()],
|
|
expected_auth_data[..]
|
|
);
|
|
assert_eq!(
|
|
&auth_data[auth_data.len() - expected_extension_cbor.len()..auth_data.len()],
|
|
expected_extension_cbor
|
|
);
|
|
assert!(ep_att.is_none());
|
|
assert_eq!(att_stmt.alg, SignatureAlgorithm::ES256 as i64);
|
|
assert_eq!(large_blob_key, None);
|
|
}
|
|
_ => panic!("Invalid response type"),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_info() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
let info_reponse = ctap_state.process_command(&[0x04], DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
|
|
let expected_cbor = cbor_map_options! {
|
|
0x01 => cbor_array_vec![vec![
|
|
#[cfg(feature = "with_ctap1")]
|
|
String::from(U2F_VERSION_STRING),
|
|
String::from(FIDO2_VERSION_STRING),
|
|
String::from(FIDO2_1_VERSION_STRING),
|
|
]],
|
|
0x02 => cbor_array![
|
|
String::from("hmac-secret"),
|
|
String::from("credProtect"),
|
|
String::from("minPinLength"),
|
|
String::from("credBlob"),
|
|
String::from("largeBlobKey"),
|
|
],
|
|
0x03 => ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x04 => cbor_map_options! {
|
|
"ep" => ENTERPRISE_ATTESTATION_MODE.map(|_| false),
|
|
"rk" => true,
|
|
"up" => true,
|
|
"alwaysUv" => false,
|
|
"credMgmt" => true,
|
|
"authnrCfg" => true,
|
|
"clientPin" => false,
|
|
"largeBlobs" => true,
|
|
"pinUvAuthToken" => true,
|
|
"setMinPINLength" => true,
|
|
"makeCredUvNotRqd" => true,
|
|
},
|
|
0x05 => MAX_MSG_SIZE as u64,
|
|
0x06 => cbor_array![2, 1],
|
|
0x07 => MAX_CREDENTIAL_COUNT_IN_LIST.map(|c| c as u64),
|
|
0x08 => CREDENTIAL_ID_SIZE as u64,
|
|
0x09 => cbor_array!["usb"],
|
|
0x0A => cbor_array![ES256_CRED_PARAM],
|
|
0x0B => MAX_LARGE_BLOB_ARRAY_SIZE as u64,
|
|
0x0C => false,
|
|
0x0D => ctap_state.persistent_store.min_pin_length().unwrap() as u64,
|
|
0x0F => MAX_CRED_BLOB_LENGTH as u64,
|
|
0x10 => MAX_RP_IDS_LENGTH as u64,
|
|
0x14 => ctap_state.persistent_store.remaining_credentials().unwrap() as u64,
|
|
};
|
|
|
|
let mut response_cbor = vec![0x00];
|
|
assert!(cbor_write(expected_cbor, &mut response_cbor).is_ok());
|
|
assert_eq!(info_reponse, response_cbor);
|
|
}
|
|
|
|
fn create_minimal_make_credential_parameters() -> AuthenticatorMakeCredentialParameters {
|
|
let client_data_hash = vec![0xCD];
|
|
let rp = PublicKeyCredentialRpEntity {
|
|
rp_id: String::from("example.com"),
|
|
rp_name: None,
|
|
rp_icon: None,
|
|
};
|
|
let user = PublicKeyCredentialUserEntity {
|
|
user_id: vec![0x1D],
|
|
user_name: None,
|
|
user_display_name: None,
|
|
user_icon: None,
|
|
};
|
|
let pub_key_cred_params = vec![ES256_CRED_PARAM];
|
|
let options = MakeCredentialOptions {
|
|
rk: true,
|
|
uv: false,
|
|
};
|
|
AuthenticatorMakeCredentialParameters {
|
|
client_data_hash,
|
|
rp,
|
|
user,
|
|
pub_key_cred_params,
|
|
exclude_list: None,
|
|
extensions: MakeCredentialExtensions::default(),
|
|
options,
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
enterprise_attestation: None,
|
|
}
|
|
}
|
|
|
|
fn create_make_credential_parameters_with_exclude_list(
|
|
excluded_credential_id: &[u8],
|
|
) -> AuthenticatorMakeCredentialParameters {
|
|
let excluded_credential_descriptor = PublicKeyCredentialDescriptor {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
key_id: excluded_credential_id.to_vec(),
|
|
transports: None,
|
|
};
|
|
let exclude_list = Some(vec![excluded_credential_descriptor]);
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.exclude_list = exclude_list;
|
|
make_credential_params
|
|
}
|
|
|
|
fn create_make_credential_parameters_with_cred_protect_policy(
|
|
policy: CredentialProtectionPolicy,
|
|
) -> AuthenticatorMakeCredentialParameters {
|
|
let extensions = MakeCredentialExtensions {
|
|
cred_protect: Some(policy),
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
make_credential_params
|
|
}
|
|
|
|
#[test]
|
|
fn test_resident_process_make_credential() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let make_credential_params = create_minimal_make_credential_parameters();
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
check_make_response(
|
|
make_credential_response,
|
|
0x41,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&[],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_non_resident_process_make_credential() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.options.rk = false;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
check_make_response(
|
|
make_credential_response,
|
|
0x41,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
CREDENTIAL_ID_SIZE as u8,
|
|
&[],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_unsupported_algorithm() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.pub_key_cred_params = vec![];
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_UNSUPPORTED_ALGORITHM)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_credential_excluded() {
|
|
let mut rng = ThreadRng256 {};
|
|
let excluded_private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let excluded_credential_id = vec![0x01, 0x23, 0x45, 0x67];
|
|
let make_credential_params =
|
|
create_make_credential_parameters_with_exclude_list(&excluded_credential_id);
|
|
let excluded_credential_source = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id: excluded_credential_id,
|
|
private_key: excluded_private_key,
|
|
rp_id: String::from("example.com"),
|
|
user_handle: vec![],
|
|
user_display_name: None,
|
|
cred_protect_policy: None,
|
|
creation_order: 0,
|
|
user_name: None,
|
|
user_icon: None,
|
|
cred_blob: None,
|
|
large_blob_key: None,
|
|
};
|
|
assert!(ctap_state
|
|
.persistent_store
|
|
.store_credential(excluded_credential_source)
|
|
.is_ok());
|
|
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_CREDENTIAL_EXCLUDED)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_credential_with_cred_protect() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let test_policy = CredentialProtectionPolicy::UserVerificationOptionalWithCredentialIdList;
|
|
let make_credential_params =
|
|
create_make_credential_parameters_with_cred_protect_policy(test_policy);
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert!(make_credential_response.is_ok());
|
|
|
|
let mut iter_result = Ok(());
|
|
let iter = ctap_state
|
|
.persistent_store
|
|
.iter_credentials(&mut iter_result)
|
|
.unwrap();
|
|
// There is only 1 credential, so last is good enough.
|
|
let (_, stored_credential) = iter.last().unwrap();
|
|
iter_result.unwrap();
|
|
let credential_id = stored_credential.credential_id;
|
|
assert_eq!(stored_credential.cred_protect_policy, Some(test_policy));
|
|
|
|
let make_credential_params =
|
|
create_make_credential_parameters_with_exclude_list(&credential_id);
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_CREDENTIAL_EXCLUDED)
|
|
);
|
|
|
|
let test_policy = CredentialProtectionPolicy::UserVerificationRequired;
|
|
let make_credential_params =
|
|
create_make_credential_parameters_with_cred_protect_policy(test_policy);
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert!(make_credential_response.is_ok());
|
|
|
|
let mut iter_result = Ok(());
|
|
let iter = ctap_state
|
|
.persistent_store
|
|
.iter_credentials(&mut iter_result)
|
|
.unwrap();
|
|
// There is only 1 credential, so last is good enough.
|
|
let (_, stored_credential) = iter.last().unwrap();
|
|
iter_result.unwrap();
|
|
let credential_id = stored_credential.credential_id;
|
|
assert_eq!(stored_credential.cred_protect_policy, Some(test_policy));
|
|
|
|
let make_credential_params =
|
|
create_make_credential_parameters_with_exclude_list(&credential_id);
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert!(make_credential_response.is_ok());
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_hmac_secret() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let extensions = MakeCredentialExtensions {
|
|
hmac_secret: true,
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.options.rk = false;
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
let expected_extension_cbor = [
|
|
0xA1, 0x6B, 0x68, 0x6D, 0x61, 0x63, 0x2D, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74, 0xF5,
|
|
];
|
|
check_make_response(
|
|
make_credential_response,
|
|
0xC1,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
CREDENTIAL_ID_SIZE as u8,
|
|
&expected_extension_cbor,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_hmac_secret_resident_key() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let extensions = MakeCredentialExtensions {
|
|
hmac_secret: true,
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
let expected_extension_cbor = [
|
|
0xA1, 0x6B, 0x68, 0x6D, 0x61, 0x63, 0x2D, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74, 0xF5,
|
|
];
|
|
check_make_response(
|
|
make_credential_response,
|
|
0xC1,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&expected_extension_cbor,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_min_pin_length() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// First part: The extension is ignored, since the RP ID is not on the list.
|
|
let extensions = MakeCredentialExtensions {
|
|
min_pin_length: true,
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
check_make_response(
|
|
make_credential_response,
|
|
0x41,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&[],
|
|
);
|
|
|
|
// Second part: The extension is used.
|
|
assert_eq!(
|
|
ctap_state
|
|
.persistent_store
|
|
.set_min_pin_length_rp_ids(vec!["example.com".to_string()]),
|
|
Ok(())
|
|
);
|
|
|
|
let extensions = MakeCredentialExtensions {
|
|
min_pin_length: true,
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
let expected_extension_cbor = [
|
|
0xA1, 0x6C, 0x6D, 0x69, 0x6E, 0x50, 0x69, 0x6E, 0x4C, 0x65, 0x6E, 0x67, 0x74, 0x68,
|
|
0x04,
|
|
];
|
|
check_make_response(
|
|
make_credential_response,
|
|
0xC1,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&expected_extension_cbor,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_cred_blob_ok() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let extensions = MakeCredentialExtensions {
|
|
cred_blob: Some(vec![0xCB]),
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
let expected_extension_cbor = [
|
|
0xA1, 0x68, 0x63, 0x72, 0x65, 0x64, 0x42, 0x6C, 0x6F, 0x62, 0xF5,
|
|
];
|
|
check_make_response(
|
|
make_credential_response,
|
|
0xC1,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&expected_extension_cbor,
|
|
);
|
|
|
|
let mut iter_result = Ok(());
|
|
let iter = ctap_state
|
|
.persistent_store
|
|
.iter_credentials(&mut iter_result)
|
|
.unwrap();
|
|
// There is only 1 credential, so last is good enough.
|
|
let (_, stored_credential) = iter.last().unwrap();
|
|
iter_result.unwrap();
|
|
assert_eq!(stored_credential.cred_blob, Some(vec![0xCB]));
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_cred_blob_too_big() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let extensions = MakeCredentialExtensions {
|
|
cred_blob: Some(vec![0xCB; MAX_CRED_BLOB_LENGTH + 1]),
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
let expected_extension_cbor = [
|
|
0xA1, 0x68, 0x63, 0x72, 0x65, 0x64, 0x42, 0x6C, 0x6F, 0x62, 0xF4,
|
|
];
|
|
check_make_response(
|
|
make_credential_response,
|
|
0xC1,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&expected_extension_cbor,
|
|
);
|
|
|
|
let mut iter_result = Ok(());
|
|
let iter = ctap_state
|
|
.persistent_store
|
|
.iter_credentials(&mut iter_result)
|
|
.unwrap();
|
|
// There is only 1 credential, so last is good enough.
|
|
let (_, stored_credential) = iter.last().unwrap();
|
|
iter_result.unwrap();
|
|
assert_eq!(stored_credential.cred_blob, None);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_large_blob_key() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let extensions = MakeCredentialExtensions {
|
|
large_blob_key: Some(true),
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
let large_blob_key = match make_credential_response.unwrap() {
|
|
ResponseData::AuthenticatorMakeCredential(make_credential_response) => {
|
|
make_credential_response.large_blob_key.unwrap()
|
|
}
|
|
_ => panic!("Invalid response type"),
|
|
};
|
|
assert_eq!(large_blob_key.len(), 32);
|
|
|
|
let mut iter_result = Ok(());
|
|
let iter = ctap_state
|
|
.persistent_store
|
|
.iter_credentials(&mut iter_result)
|
|
.unwrap();
|
|
// There is only 1 credential, so last is good enough.
|
|
let (_, stored_credential) = iter.last().unwrap();
|
|
iter_result.unwrap();
|
|
assert_eq!(stored_credential.large_blob_key.unwrap(), large_blob_key);
|
|
}
|
|
|
|
fn test_helper_process_make_credential_with_pin_and_uv(
|
|
pin_uv_auth_protocol: PinUvAuthProtocol,
|
|
) {
|
|
let mut rng = ThreadRng256 {};
|
|
let key_agreement_key = crypto::ecdh::SecKey::gensk(&mut rng);
|
|
let pin_uv_auth_token = [0x91; PIN_TOKEN_LENGTH];
|
|
let client_pin =
|
|
ClientPin::new_test(key_agreement_key, pin_uv_auth_token, pin_uv_auth_protocol);
|
|
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
ctap_state.client_pin = client_pin;
|
|
ctap_state.persistent_store.set_pin(&[0x88; 16], 4).unwrap();
|
|
|
|
let client_data_hash = [0xCD];
|
|
let pin_uv_auth_param = authenticate_pin_uv_auth_token(
|
|
&pin_uv_auth_token,
|
|
&client_data_hash,
|
|
pin_uv_auth_protocol,
|
|
);
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.options.uv = true;
|
|
make_credential_params.pin_uv_auth_param = Some(pin_uv_auth_param);
|
|
make_credential_params.pin_uv_auth_protocol = Some(pin_uv_auth_protocol);
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params.clone(), DUMMY_CHANNEL_ID);
|
|
|
|
check_make_response(
|
|
make_credential_response,
|
|
0x45,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x20,
|
|
&[],
|
|
);
|
|
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_PIN_AUTH_INVALID)
|
|
)
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_with_pin_and_uv_v1() {
|
|
test_helper_process_make_credential_with_pin_and_uv(PinUvAuthProtocol::V1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_with_pin_and_uv_v2() {
|
|
test_helper_process_make_credential_with_pin_and_uv(PinUvAuthProtocol::V2);
|
|
}
|
|
|
|
#[test]
|
|
fn test_non_resident_process_make_credential_with_pin() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
ctap_state.persistent_store.set_pin(&[0x88; 16], 4).unwrap();
|
|
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.options.rk = false;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
check_make_response(
|
|
make_credential_response,
|
|
0x41,
|
|
&ctap_state.persistent_store.aaguid().unwrap(),
|
|
0x70,
|
|
&[],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_resident_process_make_credential_with_pin() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
ctap_state.persistent_store.set_pin(&[0x88; 16], 4).unwrap();
|
|
|
|
let make_credential_params = create_minimal_make_credential_parameters();
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_PUAT_REQUIRED)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_with_pin_always_uv() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
ctap_state.persistent_store.toggle_always_uv().unwrap();
|
|
let make_credential_params = create_minimal_make_credential_parameters();
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_PUAT_REQUIRED)
|
|
);
|
|
|
|
ctap_state.persistent_store.set_pin(&[0x88; 16], 4).unwrap();
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.pin_uv_auth_param = Some(vec![0xA4; 16]);
|
|
make_credential_params.pin_uv_auth_protocol = Some(PinUvAuthProtocol::V1);
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_PIN_AUTH_INVALID)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_make_credential_cancelled() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_presence_always_cancel = |_| Err(Ctap2StatusCode::CTAP2_ERR_KEEPALIVE_CANCEL);
|
|
let mut ctap_state =
|
|
CtapState::new(&mut rng, user_presence_always_cancel, DUMMY_CLOCK_VALUE);
|
|
|
|
let make_credential_params = create_minimal_make_credential_parameters();
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
|
|
assert_eq!(
|
|
make_credential_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_KEEPALIVE_CANCEL)
|
|
);
|
|
}
|
|
|
|
fn check_assertion_response_with_user(
|
|
response: Result<ResponseData, Ctap2StatusCode>,
|
|
expected_user: PublicKeyCredentialUserEntity,
|
|
flags: u8,
|
|
signature_counter: u32,
|
|
expected_number_of_credentials: Option<u64>,
|
|
expected_extension_cbor: &[u8],
|
|
) {
|
|
match response.unwrap() {
|
|
ResponseData::AuthenticatorGetAssertion(get_assertion_response) => {
|
|
let AuthenticatorGetAssertionResponse {
|
|
auth_data,
|
|
user,
|
|
number_of_credentials,
|
|
..
|
|
} = get_assertion_response;
|
|
let mut expected_auth_data = vec![
|
|
0xA3, 0x79, 0xA6, 0xF6, 0xEE, 0xAF, 0xB9, 0xA5, 0x5E, 0x37, 0x8C, 0x11, 0x80,
|
|
0x34, 0xE2, 0x75, 0x1E, 0x68, 0x2F, 0xAB, 0x9F, 0x2D, 0x30, 0xAB, 0x13, 0xD2,
|
|
0x12, 0x55, 0x86, 0xCE, 0x19, 0x47, flags, 0x00, 0x00, 0x00, 0x00,
|
|
];
|
|
let signature_counter_position = expected_auth_data.len() - 4;
|
|
BigEndian::write_u32(
|
|
&mut expected_auth_data[signature_counter_position..],
|
|
signature_counter,
|
|
);
|
|
expected_auth_data.extend(expected_extension_cbor);
|
|
assert_eq!(auth_data, expected_auth_data);
|
|
assert_eq!(user, Some(expected_user));
|
|
assert_eq!(number_of_credentials, expected_number_of_credentials);
|
|
}
|
|
_ => panic!("Invalid response type"),
|
|
}
|
|
}
|
|
|
|
fn check_assertion_response_with_extension(
|
|
response: Result<ResponseData, Ctap2StatusCode>,
|
|
expected_user_id: Vec<u8>,
|
|
signature_counter: u32,
|
|
expected_number_of_credentials: Option<u64>,
|
|
expected_extension_cbor: &[u8],
|
|
) {
|
|
let expected_user = PublicKeyCredentialUserEntity {
|
|
user_id: expected_user_id,
|
|
user_name: None,
|
|
user_display_name: None,
|
|
user_icon: None,
|
|
};
|
|
check_assertion_response_with_user(
|
|
response,
|
|
expected_user,
|
|
0x80,
|
|
signature_counter,
|
|
expected_number_of_credentials,
|
|
expected_extension_cbor,
|
|
);
|
|
}
|
|
|
|
fn check_assertion_response(
|
|
response: Result<ResponseData, Ctap2StatusCode>,
|
|
expected_user_id: Vec<u8>,
|
|
signature_counter: u32,
|
|
expected_number_of_credentials: Option<u64>,
|
|
) {
|
|
let expected_user = PublicKeyCredentialUserEntity {
|
|
user_id: expected_user_id,
|
|
user_name: None,
|
|
user_display_name: None,
|
|
user_icon: None,
|
|
};
|
|
check_assertion_response_with_user(
|
|
response,
|
|
expected_user,
|
|
0x00,
|
|
signature_counter,
|
|
expected_number_of_credentials,
|
|
&[],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_resident_process_get_assertion() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let make_credential_params = create_minimal_make_credential_parameters();
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: None,
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let signature_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
check_assertion_response(get_assertion_response, vec![0x1D], signature_counter, None);
|
|
}
|
|
|
|
fn get_assertion_hmac_secret_params(
|
|
key_agreement_key: crypto::ecdh::SecKey,
|
|
key_agreement_response: ResponseData,
|
|
credential_id: Option<Vec<u8>>,
|
|
pin_uv_auth_protocol: PinUvAuthProtocol,
|
|
) -> AuthenticatorGetAssertionParameters {
|
|
let mut rng = ThreadRng256 {};
|
|
let platform_public_key = key_agreement_key.genpk();
|
|
let public_key = match key_agreement_response {
|
|
ResponseData::AuthenticatorClientPin(Some(client_pin_response)) => {
|
|
client_pin_response.key_agreement.unwrap()
|
|
}
|
|
_ => panic!("Invalid response type"),
|
|
};
|
|
let pin_protocol = PinProtocol::new_test(key_agreement_key, [0x91; 32]);
|
|
let shared_secret = pin_protocol
|
|
.decapsulate(public_key, pin_uv_auth_protocol)
|
|
.unwrap();
|
|
|
|
let salt = vec![0x01; 32];
|
|
let salt_enc = shared_secret.as_ref().encrypt(&mut rng, &salt).unwrap();
|
|
let salt_auth = shared_secret.authenticate(&salt_enc);
|
|
let hmac_secret_input = GetAssertionHmacSecretInput {
|
|
key_agreement: CoseKey::from(platform_public_key),
|
|
salt_enc,
|
|
salt_auth,
|
|
pin_uv_auth_protocol,
|
|
};
|
|
let get_extensions = GetAssertionExtensions {
|
|
hmac_secret: Some(hmac_secret_input),
|
|
..Default::default()
|
|
};
|
|
|
|
let credential_descriptor = credential_id.map(|key_id| PublicKeyCredentialDescriptor {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
key_id,
|
|
transports: None,
|
|
});
|
|
let allow_list = credential_descriptor.map(|c| vec![c]);
|
|
AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list,
|
|
extensions: get_extensions,
|
|
options: GetAssertionOptions {
|
|
up: true,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
}
|
|
}
|
|
|
|
fn test_helper_process_get_assertion_hmac_secret(pin_uv_auth_protocol: PinUvAuthProtocol) {
|
|
let mut rng = ThreadRng256 {};
|
|
let key_agreement_key = crypto::ecdh::SecKey::gensk(&mut rng);
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let make_extensions = MakeCredentialExtensions {
|
|
hmac_secret: true,
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.options.rk = false;
|
|
make_credential_params.extensions = make_extensions;
|
|
let make_credential_response =
|
|
ctap_state.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID);
|
|
assert!(make_credential_response.is_ok());
|
|
let credential_id = match make_credential_response.unwrap() {
|
|
ResponseData::AuthenticatorMakeCredential(make_credential_response) => {
|
|
let auth_data = make_credential_response.auth_data;
|
|
let offset = 37 + ctap_state.persistent_store.aaguid().unwrap().len();
|
|
assert_eq!(auth_data[offset], 0x00);
|
|
assert_eq!(auth_data[offset + 1] as usize, CREDENTIAL_ID_SIZE);
|
|
auth_data[offset + 2..offset + 2 + CREDENTIAL_ID_SIZE].to_vec()
|
|
}
|
|
_ => panic!("Invalid response type"),
|
|
};
|
|
|
|
let client_pin_params = AuthenticatorClientPinParameters {
|
|
pin_uv_auth_protocol,
|
|
sub_command: ClientPinSubCommand::GetKeyAgreement,
|
|
key_agreement: None,
|
|
pin_uv_auth_param: None,
|
|
new_pin_enc: None,
|
|
pin_hash_enc: None,
|
|
permissions: None,
|
|
permissions_rp_id: None,
|
|
};
|
|
let key_agreement_response = ctap_state.client_pin.process_command(
|
|
ctap_state.rng,
|
|
&mut ctap_state.persistent_store,
|
|
client_pin_params,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let get_assertion_params = get_assertion_hmac_secret_params(
|
|
key_agreement_key,
|
|
key_agreement_response.unwrap(),
|
|
Some(credential_id),
|
|
pin_uv_auth_protocol,
|
|
);
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
assert!(get_assertion_response.is_ok());
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_assertion_hmac_secret_v1() {
|
|
test_helper_process_get_assertion_hmac_secret(PinUvAuthProtocol::V1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_assertion_hmac_secret_v2() {
|
|
test_helper_process_get_assertion_hmac_secret(PinUvAuthProtocol::V2);
|
|
}
|
|
|
|
fn test_helper_resident_process_get_assertion_hmac_secret(
|
|
pin_uv_auth_protocol: PinUvAuthProtocol,
|
|
) {
|
|
let mut rng = ThreadRng256 {};
|
|
let key_agreement_key = crypto::ecdh::SecKey::gensk(&mut rng);
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let make_extensions = MakeCredentialExtensions {
|
|
hmac_secret: true,
|
|
..Default::default()
|
|
};
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.extensions = make_extensions;
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
|
|
let client_pin_params = AuthenticatorClientPinParameters {
|
|
pin_uv_auth_protocol,
|
|
sub_command: ClientPinSubCommand::GetKeyAgreement,
|
|
key_agreement: None,
|
|
pin_uv_auth_param: None,
|
|
new_pin_enc: None,
|
|
pin_hash_enc: None,
|
|
permissions: None,
|
|
permissions_rp_id: None,
|
|
};
|
|
let key_agreement_response = ctap_state.client_pin.process_command(
|
|
ctap_state.rng,
|
|
&mut ctap_state.persistent_store,
|
|
client_pin_params,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let get_assertion_params = get_assertion_hmac_secret_params(
|
|
key_agreement_key,
|
|
key_agreement_response.unwrap(),
|
|
None,
|
|
pin_uv_auth_protocol,
|
|
);
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
assert!(get_assertion_response.is_ok());
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_resident_get_assertion_hmac_secret_v1() {
|
|
test_helper_resident_process_get_assertion_hmac_secret(PinUvAuthProtocol::V1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_resident_process_get_assertion_hmac_secret_v2() {
|
|
test_helper_resident_process_get_assertion_hmac_secret(PinUvAuthProtocol::V2);
|
|
}
|
|
|
|
#[test]
|
|
fn test_resident_process_get_assertion_with_cred_protect() {
|
|
let mut rng = ThreadRng256 {};
|
|
let private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let credential_id = rng.gen_uniform_u8x32().to_vec();
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let cred_desc = PublicKeyCredentialDescriptor {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
key_id: credential_id.clone(),
|
|
transports: None,
|
|
};
|
|
let credential = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id: credential_id.clone(),
|
|
private_key: private_key.clone(),
|
|
rp_id: String::from("example.com"),
|
|
user_handle: vec![0x1D],
|
|
user_display_name: None,
|
|
cred_protect_policy: Some(
|
|
CredentialProtectionPolicy::UserVerificationOptionalWithCredentialIdList,
|
|
),
|
|
creation_order: 0,
|
|
user_name: None,
|
|
user_icon: None,
|
|
cred_blob: None,
|
|
large_blob_key: None,
|
|
};
|
|
assert!(ctap_state
|
|
.persistent_store
|
|
.store_credential(credential)
|
|
.is_ok());
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: None,
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
assert_eq!(
|
|
get_assertion_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_NO_CREDENTIALS),
|
|
);
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: Some(vec![cred_desc.clone()]),
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let signature_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
check_assertion_response(get_assertion_response, vec![0x1D], signature_counter, None);
|
|
|
|
let credential = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id,
|
|
private_key,
|
|
rp_id: String::from("example.com"),
|
|
user_handle: vec![0x1D],
|
|
user_display_name: None,
|
|
cred_protect_policy: Some(CredentialProtectionPolicy::UserVerificationRequired),
|
|
creation_order: 0,
|
|
user_name: None,
|
|
user_icon: None,
|
|
cred_blob: None,
|
|
large_blob_key: None,
|
|
};
|
|
assert!(ctap_state
|
|
.persistent_store
|
|
.store_credential(credential)
|
|
.is_ok());
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: Some(vec![cred_desc]),
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
assert_eq!(
|
|
get_assertion_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_NO_CREDENTIALS),
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_assertion_with_cred_blob() {
|
|
let mut rng = ThreadRng256 {};
|
|
let private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let credential_id = rng.gen_uniform_u8x32().to_vec();
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let credential = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id,
|
|
private_key,
|
|
rp_id: String::from("example.com"),
|
|
user_handle: vec![0x1D],
|
|
user_display_name: None,
|
|
cred_protect_policy: None,
|
|
creation_order: 0,
|
|
user_name: None,
|
|
user_icon: None,
|
|
cred_blob: Some(vec![0xCB]),
|
|
large_blob_key: None,
|
|
};
|
|
assert!(ctap_state
|
|
.persistent_store
|
|
.store_credential(credential)
|
|
.is_ok());
|
|
|
|
let extensions = GetAssertionExtensions {
|
|
cred_blob: true,
|
|
..Default::default()
|
|
};
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: None,
|
|
extensions,
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let signature_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
let expected_extension_cbor = [
|
|
0xA1, 0x68, 0x63, 0x72, 0x65, 0x64, 0x42, 0x6C, 0x6F, 0x62, 0x41, 0xCB,
|
|
];
|
|
check_assertion_response_with_extension(
|
|
get_assertion_response,
|
|
vec![0x1D],
|
|
signature_counter,
|
|
None,
|
|
&expected_extension_cbor,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_assertion_with_large_blob_key() {
|
|
let mut rng = ThreadRng256 {};
|
|
let private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let credential_id = rng.gen_uniform_u8x32().to_vec();
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let credential = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id,
|
|
private_key,
|
|
rp_id: String::from("example.com"),
|
|
user_handle: vec![0x1D],
|
|
user_display_name: None,
|
|
cred_protect_policy: None,
|
|
creation_order: 0,
|
|
user_name: None,
|
|
user_icon: None,
|
|
cred_blob: None,
|
|
large_blob_key: Some(vec![0x1C; 32]),
|
|
};
|
|
assert!(ctap_state
|
|
.persistent_store
|
|
.store_credential(credential)
|
|
.is_ok());
|
|
|
|
let extensions = GetAssertionExtensions {
|
|
large_blob_key: Some(true),
|
|
..Default::default()
|
|
};
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: None,
|
|
extensions,
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let large_blob_key = match get_assertion_response.unwrap() {
|
|
ResponseData::AuthenticatorGetAssertion(get_assertion_response) => {
|
|
get_assertion_response.large_blob_key.unwrap()
|
|
}
|
|
_ => panic!("Invalid response type"),
|
|
};
|
|
assert_eq!(large_blob_key, vec![0x1C; 32]);
|
|
}
|
|
|
|
fn test_helper_process_get_next_assertion_two_credentials_with_uv(
|
|
pin_uv_auth_protocol: PinUvAuthProtocol,
|
|
) {
|
|
let mut rng = ThreadRng256 {};
|
|
let key_agreement_key = crypto::ecdh::SecKey::gensk(&mut rng);
|
|
let pin_uv_auth_token = [0x88; 32];
|
|
let client_pin =
|
|
ClientPin::new_test(key_agreement_key, pin_uv_auth_token, pin_uv_auth_protocol);
|
|
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
let user1 = PublicKeyCredentialUserEntity {
|
|
user_id: vec![0x01],
|
|
user_name: Some("user1".to_string()),
|
|
user_display_name: Some("User One".to_string()),
|
|
user_icon: Some("icon1".to_string()),
|
|
};
|
|
make_credential_params.user = user1.clone();
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
let user2 = PublicKeyCredentialUserEntity {
|
|
user_id: vec![0x02],
|
|
user_name: Some("user2".to_string()),
|
|
user_display_name: Some("User Two".to_string()),
|
|
user_icon: Some("icon2".to_string()),
|
|
};
|
|
make_credential_params.user = user2.clone();
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
|
|
ctap_state.client_pin = client_pin;
|
|
// The PIN length is outside of the test scope and most likely incorrect.
|
|
ctap_state.persistent_store.set_pin(&[0u8; 16], 4).unwrap();
|
|
let client_data_hash = vec![0xCD];
|
|
let pin_uv_auth_param = authenticate_pin_uv_auth_token(
|
|
&pin_uv_auth_token,
|
|
&client_data_hash,
|
|
pin_uv_auth_protocol,
|
|
);
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash,
|
|
allow_list: None,
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: true,
|
|
},
|
|
pin_uv_auth_param: Some(pin_uv_auth_param),
|
|
pin_uv_auth_protocol: Some(pin_uv_auth_protocol),
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let signature_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
check_assertion_response_with_user(
|
|
get_assertion_response,
|
|
user2,
|
|
0x04,
|
|
signature_counter,
|
|
Some(2),
|
|
&[],
|
|
);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
check_assertion_response_with_user(
|
|
get_assertion_response,
|
|
user1,
|
|
0x04,
|
|
signature_counter,
|
|
None,
|
|
&[],
|
|
);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
assert_eq!(
|
|
get_assertion_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_next_assertion_two_credentials_with_uv_v1() {
|
|
test_helper_process_get_next_assertion_two_credentials_with_uv(PinUvAuthProtocol::V1);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_next_assertion_two_credentials_with_uv_v2() {
|
|
test_helper_process_get_next_assertion_two_credentials_with_uv(PinUvAuthProtocol::V2);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_next_assertion_three_credentials_no_uv() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.user.user_id = vec![0x01];
|
|
make_credential_params.user.user_name = Some("removed".to_string());
|
|
make_credential_params.user.user_display_name = Some("removed".to_string());
|
|
make_credential_params.user.user_icon = Some("removed".to_string());
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.user.user_id = vec![0x02];
|
|
make_credential_params.user.user_name = Some("removed".to_string());
|
|
make_credential_params.user.user_display_name = Some("removed".to_string());
|
|
make_credential_params.user.user_icon = Some("removed".to_string());
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.user.user_id = vec![0x03];
|
|
make_credential_params.user.user_name = Some("removed".to_string());
|
|
make_credential_params.user.user_display_name = Some("removed".to_string());
|
|
make_credential_params.user.user_icon = Some("removed".to_string());
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: None,
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let signature_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
check_assertion_response(
|
|
get_assertion_response,
|
|
vec![0x03],
|
|
signature_counter,
|
|
Some(3),
|
|
);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
check_assertion_response(get_assertion_response, vec![0x02], signature_counter, None);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
check_assertion_response(get_assertion_response, vec![0x01], signature_counter, None);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
assert_eq!(
|
|
get_assertion_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_get_next_assertion_not_allowed() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
assert_eq!(
|
|
get_assertion_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
|
|
);
|
|
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.user.user_id = vec![0x01];
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
let mut make_credential_params = create_minimal_make_credential_parameters();
|
|
make_credential_params.user.user_id = vec![0x02];
|
|
assert!(ctap_state
|
|
.process_make_credential(make_credential_params, DUMMY_CHANNEL_ID)
|
|
.is_ok());
|
|
|
|
let get_assertion_params = AuthenticatorGetAssertionParameters {
|
|
rp_id: String::from("example.com"),
|
|
client_data_hash: vec![0xCD],
|
|
allow_list: None,
|
|
extensions: GetAssertionExtensions::default(),
|
|
options: GetAssertionOptions {
|
|
up: false,
|
|
uv: false,
|
|
},
|
|
pin_uv_auth_param: None,
|
|
pin_uv_auth_protocol: None,
|
|
};
|
|
let get_assertion_response = ctap_state.process_get_assertion(
|
|
get_assertion_params,
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
assert!(get_assertion_response.is_ok());
|
|
|
|
// This is a MakeCredential command.
|
|
let mut command_cbor = vec![0x01];
|
|
let cbor_value = cbor_map! {
|
|
1 => vec![0xCD; 16],
|
|
2 => cbor_map! {
|
|
"id" => "example.com",
|
|
},
|
|
3 => cbor_map! {
|
|
"id" => vec![0x1D, 0x1D, 0x1D, 0x1D],
|
|
},
|
|
4 => cbor_array![ES256_CRED_PARAM],
|
|
};
|
|
assert!(cbor_write(cbor_value, &mut command_cbor).is_ok());
|
|
ctap_state.process_command(&command_cbor, DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
|
|
let get_assertion_response = ctap_state.process_get_next_assertion(DUMMY_CLOCK_VALUE);
|
|
assert_eq!(
|
|
get_assertion_response,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_reset() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let credential_id = vec![0x01, 0x23, 0x45, 0x67];
|
|
let credential_source = PublicKeyCredentialSource {
|
|
key_type: PublicKeyCredentialType::PublicKey,
|
|
credential_id,
|
|
private_key,
|
|
rp_id: String::from("example.com"),
|
|
user_handle: vec![],
|
|
user_display_name: None,
|
|
cred_protect_policy: None,
|
|
creation_order: 0,
|
|
user_name: None,
|
|
user_icon: None,
|
|
cred_blob: None,
|
|
large_blob_key: None,
|
|
};
|
|
assert!(ctap_state
|
|
.persistent_store
|
|
.store_credential(credential_source)
|
|
.is_ok());
|
|
assert!(ctap_state.persistent_store.count_credentials().unwrap() > 0);
|
|
|
|
let reset_reponse =
|
|
ctap_state.process_command(&[0x07], DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
let expected_response = vec![0x00];
|
|
assert_eq!(reset_reponse, expected_response);
|
|
assert!(ctap_state.persistent_store.count_credentials().unwrap() == 0);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_reset_cancelled() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_presence_always_cancel = |_| Err(Ctap2StatusCode::CTAP2_ERR_KEEPALIVE_CANCEL);
|
|
let mut ctap_state =
|
|
CtapState::new(&mut rng, user_presence_always_cancel, DUMMY_CLOCK_VALUE);
|
|
|
|
let reset_reponse = ctap_state.process_reset(DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
|
|
assert_eq!(
|
|
reset_reponse,
|
|
Err(Ctap2StatusCode::CTAP2_ERR_KEEPALIVE_CANCEL)
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_reset_not_first() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// This is a GetNextAssertion command.
|
|
ctap_state.process_command(&[0x08], DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
|
|
let reset_reponse = ctap_state.process_reset(DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
assert_eq!(reset_reponse, Err(Ctap2StatusCode::CTAP2_ERR_NOT_ALLOWED));
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_credential_management_unknown_subcommand() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// The subcommand 0xEE does not exist.
|
|
let reponse = ctap_state.process_command(
|
|
&[0x0A, 0xA1, 0x01, 0x18, 0xEE],
|
|
DUMMY_CHANNEL_ID,
|
|
DUMMY_CLOCK_VALUE,
|
|
);
|
|
let expected_response = vec![Ctap2StatusCode::CTAP2_ERR_INVALID_SUBCOMMAND as u8];
|
|
assert_eq!(reponse, expected_response);
|
|
}
|
|
|
|
#[test]
|
|
fn test_process_unknown_command() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// This command does not exist.
|
|
let reponse = ctap_state.process_command(&[0xDF], DUMMY_CHANNEL_ID, DUMMY_CLOCK_VALUE);
|
|
let expected_response = vec![Ctap2StatusCode::CTAP1_ERR_INVALID_COMMAND as u8];
|
|
assert_eq!(reponse, expected_response);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encrypt_decrypt_credential() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// Usually, the relying party ID or its hash is provided by the client.
|
|
// We are not testing the correctness of our SHA256 here, only if it is checked.
|
|
let rp_id_hash = [0x55; 32];
|
|
let encrypted_id = ctap_state
|
|
.encrypt_key_handle(private_key.clone(), &rp_id_hash)
|
|
.unwrap();
|
|
let decrypted_source = ctap_state
|
|
.decrypt_credential_source(encrypted_id, &rp_id_hash)
|
|
.unwrap()
|
|
.unwrap();
|
|
|
|
assert_eq!(private_key, decrypted_source.private_key);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encrypt_decrypt_bad_hmac() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let private_key = crypto::ecdsa::SecKey::gensk(&mut rng);
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// Same as above.
|
|
let rp_id_hash = [0x55; 32];
|
|
let encrypted_id = ctap_state
|
|
.encrypt_key_handle(private_key, &rp_id_hash)
|
|
.unwrap();
|
|
for i in 0..encrypted_id.len() {
|
|
let mut modified_id = encrypted_id.clone();
|
|
modified_id[i] ^= 0x01;
|
|
assert!(ctap_state
|
|
.decrypt_credential_source(modified_id, &rp_id_hash)
|
|
.unwrap()
|
|
.is_none());
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_signature_counter() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
let mut last_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
assert!(last_counter > 0);
|
|
for _ in 0..100 {
|
|
assert!(ctap_state.increment_global_signature_counter().is_ok());
|
|
let next_counter = ctap_state
|
|
.persistent_store
|
|
.global_signature_counter()
|
|
.unwrap();
|
|
assert!(next_counter > last_counter);
|
|
last_counter = next_counter;
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_vendor_configure() {
|
|
let mut rng = ThreadRng256 {};
|
|
let user_immediately_present = |_| Ok(());
|
|
let mut ctap_state = CtapState::new(&mut rng, user_immediately_present, DUMMY_CLOCK_VALUE);
|
|
|
|
// Nothing should be configured at the beginning
|
|
let response = ctap_state.process_vendor_configure(
|
|
AuthenticatorVendorConfigureParameters {
|
|
lockdown: false,
|
|
attestation_material: None,
|
|
},
|
|
DUMMY_CHANNEL_ID,
|
|
);
|
|
assert_eq!(
|
|
response,
|
|
Ok(ResponseData::AuthenticatorVendor(
|
|
AuthenticatorVendorResponse {
|
|
cert_programmed: false,
|
|
pkey_programmed: false,
|
|
}
|
|
))
|
|
);
|
|
|
|
// Inject dummy values
|
|
let dummy_key = [0x41u8; key_material::ATTESTATION_PRIVATE_KEY_LENGTH];
|
|
let dummy_cert = [0xddu8; 20];
|
|
let response = ctap_state.process_vendor_configure(
|
|
AuthenticatorVendorConfigureParameters {
|
|
lockdown: false,
|
|
attestation_material: Some(AuthenticatorAttestationMaterial {
|
|
certificate: dummy_cert.to_vec(),
|
|
private_key: dummy_key,
|
|
}),
|
|
},
|
|
DUMMY_CHANNEL_ID,
|
|
);
|
|
assert_eq!(
|
|
response,
|
|
Ok(ResponseData::AuthenticatorVendor(
|
|
AuthenticatorVendorResponse {
|
|
cert_programmed: true,
|
|
pkey_programmed: true,
|
|
}
|
|
))
|
|
);
|
|
assert_eq!(
|
|
ctap_state
|
|
.persistent_store
|
|
.attestation_certificate()
|
|
.unwrap()
|
|
.unwrap(),
|
|
dummy_cert
|
|
);
|
|
assert_eq!(
|
|
ctap_state
|
|
.persistent_store
|
|
.attestation_private_key()
|
|
.unwrap()
|
|
.unwrap(),
|
|
dummy_key
|
|
);
|
|
|
|
// Try to inject other dummy values and check that initial values are retained.
|
|
let other_dummy_key = [0x44u8; key_material::ATTESTATION_PRIVATE_KEY_LENGTH];
|
|
let response = ctap_state.process_vendor_configure(
|
|
AuthenticatorVendorConfigureParameters {
|
|
lockdown: false,
|
|
attestation_material: Some(AuthenticatorAttestationMaterial {
|
|
certificate: dummy_cert.to_vec(),
|
|
private_key: other_dummy_key,
|
|
}),
|
|
},
|
|
DUMMY_CHANNEL_ID,
|
|
);
|
|
assert_eq!(
|
|
response,
|
|
Ok(ResponseData::AuthenticatorVendor(
|
|
AuthenticatorVendorResponse {
|
|
cert_programmed: true,
|
|
pkey_programmed: true,
|
|
}
|
|
))
|
|
);
|
|
assert_eq!(
|
|
ctap_state
|
|
.persistent_store
|
|
.attestation_certificate()
|
|
.unwrap()
|
|
.unwrap(),
|
|
dummy_cert
|
|
);
|
|
assert_eq!(
|
|
ctap_state
|
|
.persistent_store
|
|
.attestation_private_key()
|
|
.unwrap()
|
|
.unwrap(),
|
|
dummy_key
|
|
);
|
|
|
|
// Now try to lock the device
|
|
let response = ctap_state.process_vendor_configure(
|
|
AuthenticatorVendorConfigureParameters {
|
|
lockdown: true,
|
|
attestation_material: None,
|
|
},
|
|
DUMMY_CHANNEL_ID,
|
|
);
|
|
assert_eq!(
|
|
response,
|
|
Ok(ResponseData::AuthenticatorVendor(
|
|
AuthenticatorVendorResponse {
|
|
cert_programmed: true,
|
|
pkey_programmed: true,
|
|
}
|
|
))
|
|
);
|
|
}
|
|
}
|