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Move more customization constants to new file (#459)

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* Move DEFAULT_CRED_PROTECT to customization api

* Fix format

* Remove blank line
This commit is contained in:
hcyang
2022-04-14 18:00:31 +08:00
committed by GitHub
parent 1ef9a4447d
commit 74b472d9cb
3 changed files with 40 additions and 25 deletions
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20
src/ctap/customization.rs
View File

@@ -17,30 +17,12 @@
//! If you adapt them, make sure to run the tests before flashing the firmware.
//! Our deploy script enforces the invariants.
use crate::ctap::data_formats::{CredentialProtectionPolicy, EnterpriseAttestationMode};
use crate::ctap::data_formats::EnterpriseAttestationMode;
// ###########################################################################
// Constants for adjusting privacy and protection levels.
// ###########################################################################
/// Changes the default level for the credProtect extension.
///
/// You can change this value to one of the following for more privacy:
/// - CredentialProtectionPolicy::UserVerificationOptionalWithCredentialIdList
/// - CredentialProtectionPolicy::UserVerificationRequired
///
/// UserVerificationOptionalWithCredentialIdList
/// Resident credentials are discoverable with
/// - an allowList,
/// - an excludeList,
/// - user verification.
///
/// UserVerificationRequired
/// Resident credentials are discoverable with user verification only.
///
/// This can improve privacy, but can make usage less comfortable.
pub const DEFAULT_CRED_PROTECT: Option<CredentialProtectionPolicy> = None;
/// Sets the initial minimum PIN length in code points.
///
/// # Invariant

11
src/ctap/mod.rs
View File

@@ -44,9 +44,9 @@ use self::config_command::process_config;
use self::credential_management::process_credential_management;
use self::crypto_wrapper::{aes256_cbc_decrypt, aes256_cbc_encrypt};
use self::customization::{
DEFAULT_CRED_PROTECT, ENTERPRISE_ATTESTATION_MODE, ENTERPRISE_RP_ID_LIST,
MAX_CREDENTIAL_COUNT_IN_LIST, MAX_CRED_BLOB_LENGTH, MAX_LARGE_BLOB_ARRAY_SIZE,
MAX_RP_IDS_LENGTH, USE_BATCH_ATTESTATION, USE_SIGNATURE_COUNTER,
ENTERPRISE_ATTESTATION_MODE, ENTERPRISE_RP_ID_LIST, MAX_CREDENTIAL_COUNT_IN_LIST,
MAX_CRED_BLOB_LENGTH, MAX_LARGE_BLOB_ARRAY_SIZE, MAX_RP_IDS_LENGTH, USE_BATCH_ATTESTATION,
USE_SIGNATURE_COUNTER,
};
use self::data_formats::{
AuthenticatorTransport, CoseKey, CoseSignature, CredentialProtectionPolicy,
@@ -763,11 +763,12 @@ impl CtapState {
env.user_presence().check(channel)?;
self.client_pin.clear_token_flags();
let default_cred_protect = env.customization().default_cred_protect();
let mut cred_protect_policy = extensions.cred_protect;
if cred_protect_policy.unwrap_or(CredentialProtectionPolicy::UserVerificationOptional)
< DEFAULT_CRED_PROTECT.unwrap_or(CredentialProtectionPolicy::UserVerificationOptional)
< default_cred_protect.unwrap_or(CredentialProtectionPolicy::UserVerificationOptional)
{
cred_protect_policy = DEFAULT_CRED_PROTECT;
cred_protect_policy = default_cred_protect;
}
let min_pin_length =
extensions.min_pin_length && storage::min_pin_length_rp_ids(env)?.contains(&rp_id);