Files
OpenSK/build.rs
kaczmarczyck f25cdd6acc Tock V2 port - rebased and updated (#620)
* Changes from #580

* fixes USB cancel panic

* style fixes

* Update src/env/tock/storage.rs

Co-authored-by: Zach Halvorsen <zhalvorsen@google.com>

---------

Co-authored-by: Zach Halvorsen <zhalvorsen@google.com>
2023-05-05 09:55:16 +02:00

58 lines
2.4 KiB
Rust

// Copyright 2019-2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
extern crate alloc;
use openssl::{bn, ec, nid};
use std::fs::File;
use std::io::{Read, Write};
use std::path::Path;
use std::{env, fs};
use uuid::Uuid;
fn main() {
const UPGRADE_FILE: &str = "crypto_data/opensk_upgrade_pub.pem";
println!("cargo:rerun-if-changed=crypto_data/aaguid.txt");
println!("cargo:rerun-if-changed={UPGRADE_FILE}");
println!("cargo:rerun-if-changed=layout.ld");
println!("cargo:rerun-if-changed=nrf52840_layout.ld");
println!("cargo:rerun-if-changed=nrf52840_layout_a.ld");
println!("cargo:rerun-if-changed=nrf52840_layout_b.ld");
let out_dir = env::var_os("OUT_DIR").unwrap();
let aaguid_bin_path = Path::new(&out_dir).join("opensk_aaguid.bin");
let mut aaguid_bin_file = File::create(aaguid_bin_path).unwrap();
let mut aaguid_txt_file = File::open("crypto_data/aaguid.txt").unwrap();
let mut content = String::new();
aaguid_txt_file.read_to_string(&mut content).unwrap();
content.truncate(36);
let aaguid = Uuid::parse_str(&content).unwrap();
aaguid_bin_file.write_all(aaguid.as_bytes()).unwrap();
// COSE encoding the public key, then write it out.
let pem_bytes = fs::read(UPGRADE_FILE).unwrap();
let ec_key = ec::EcKey::public_key_from_pem(&pem_bytes).ok().unwrap();
let group = ec::EcGroup::from_curve_name(nid::Nid::X9_62_PRIME256V1).unwrap();
let conversion_form = ec::PointConversionForm::UNCOMPRESSED;
let mut ctx = bn::BigNumContext::new().unwrap();
let raw_bytes = ec_key
.public_key()
.to_bytes(&group, conversion_form, &mut ctx)
.unwrap();
let upgrade_pubkey_path = Path::new(&out_dir).join("opensk_upgrade_pubkey.bin");
let mut upgrade_pub_bin_file = File::create(upgrade_pubkey_path).unwrap();
upgrade_pub_bin_file.write_all(&raw_bytes).unwrap();
}