Merge "Allow RSA 4096 key in package verification" (3de9ee62) · Commits · e / os / android_bootable_recovery

tests/component/verifier_test.cpp

+11 −0

Original line number	Diff line number	Diff line
		@@ -158,6 +158,17 @@ TEST(VerifierTest, LoadCertificateFromBuffer_sha256_ec256bits) {
		VerifyPackageWithSingleCertificate("otasigned_v5.zip", std::move(cert));
		}

		TEST(VerifierTest, LoadCertificateFromBuffer_sha256_rsa4096_bits) {
		Certificate cert(0, Certificate::KEY_TYPE_RSA, nullptr, nullptr);
		LoadKeyFromFile(from_testdata_base("testkey_4096bits.x509.pem"), &cert);

		ASSERT_EQ(SHA256_DIGEST_LENGTH, cert.hash_len);
		ASSERT_EQ(Certificate::KEY_TYPE_RSA, cert.key_type);
		ASSERT_EQ(nullptr, cert.ec);

		VerifyPackageWithSingleCertificate("otasigned_4096bits.zip", std::move(cert));
		}

		TEST(VerifierTest, LoadCertificateFromBuffer_check_rsa_keys) {
		std::unique_ptr<RSA, RSADeleter> rsa(RSA_new());
		std::unique_ptr<BIGNUM, decltype(&BN_free)> exponent(BN_new(), BN_free);

tests/testdata/otasigned_4096bits.zip

0 → 100644

+3.96 KiB

File added.

No diff preview for this file type.

View file

tests/testdata/testkey_4096bits.x509.pem

0 → 100644

+35 −0

Original line number	Diff line number	Diff line
		-----BEGIN CERTIFICATE-----
		MIIGADCCA+igAwIBAgIJAJiRMVvanGUaMA0GCSqGSIb3DQEBCwUAMIGUMQswCQYD
		VQQGEwJVUzETMBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4g
		VmlldzEQMA4GA1UECgwHQW5kcm9pZDEQMA4GA1UECwwHQW5kcm9pZDEQMA4GA1UE
		AwwHQW5kcm9pZDEiMCAGCSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbTAe
		Fw0xODEwMzAxMjEzNTFaFw00NjAzMTcxMjEzNTFaMIGUMQswCQYDVQQGEwJVUzET
		MBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzEQMA4G
		A1UECgwHQW5kcm9pZDEQMA4GA1UECwwHQW5kcm9pZDEQMA4GA1UEAwwHQW5kcm9p
		ZDEiMCAGCSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbTCCAiIwDQYJKoZI
		hvcNAQEBBQADggIPADCCAgoCggIBAL3ghKA8Gz9qOORY8gMY4wlB2tCJLDUO2tFG
		LVK1UphtQMp+YEcz/0VQKVV7de7z6V4EMQ5P1HbxHOsjcKn/zXAl4YgFt7b5kZbC
		bpNK4CYHEfho3j6fpYtq5d9q8rIA2kI0uZkkqPy1zXKTl2C2PjOoAnLQRk5xBVQG
		M10/wYsf7yX36mSWoJJwKPp/EzVFpA+hX8HpljeIiZ6CFzKwJdqv9zO/xzfp6NsX
		Tv5EGdkDxmw3qQqKgyl8dLMTZ/2zNfvVOMeZDusEPDF7A/lbU1byLWrKQdCzVb40
		yc7BCSRGYwM29R/byOcgD+lslwKSGzgzNmQXICt1tXz9bSJR8qh4tlAaiRc3ZKBe
		hJWIFGkGtD/cDGtDE5DbNAOz6CdSDdE2XN0Qf0cfN1RHVE6fo2FtFicRRVuFBt8M
		2cbQ7bzmEvtHD6W6dsf120FH7gppXKmnhMx1WazpxR2QltbiYDTy2ZZi4paS/jDB
		fL9gMCWp3Ohg2y74NGfUw5CQWQsDpcki6I7RvwClBCyOV51LHn5LE/nY4DkVrZxk
		Pw0/YrTWz5J5PbdMetTuIunE4ec4lm8nZnh1ET+2MHx2+RoyF5vBs4rp1KHHRaEA
		veD2AfQOWxz7kOG9+akFot7n+QoWEGdwY0mJ9jsO/IITCjv3VbD7o0OoJv1R2AW5
		sK2KQ4PDAgMBAAGjUzBRMB0GA1UdDgQWBBT2EbrayXGhY6VCvSlLtRNyjW9ceDAf
		BgNVHSMEGDAWgBT2EbrayXGhY6VCvSlLtRNyjW9ceDAPBgNVHRMBAf8EBTADAQH/
		MA0GCSqGSIb3DQEBCwUAA4ICAQC7SsWap9zDKmuR0qMUZ6wlualnag0hUG1jZHQP
		t63KO6LmNNMSuXRX60Zcq6WWzgLOyoT4HqHZZ47Jamfb4XQQcnWMMW0tJ3pDtTkz
		dZILBInHJO8QPYI8Du6XWsDLSvMajq6ueBtO3NdcgsNL7eiHf3WoOtajLZxFM94Z
		MESkUQOIsqHolYeTMHLTsuGkX1CK2Zw3Xn18bUSTYwZCHa6mYH00ItUBfetGCnWh
		Y7bth/R15Cc+hocSB7ZsOa/R5kDyDdFDIKrnV5nH5Yd7CryrYC6Ac5UarYrxSJTq
		eKPwqUlJB/tJW/lvdLt8YaURbFGzf/ZqU12zZRafYjmMjcQvfpzMoDSnbvHTA9IR
		ZGO7dwhwykoSaL4/8LWde49xQUq6F2pQBRmEr+7mTzml1MaM5cWEk5emkCMXgLog
		k+c56CAk1EdM1teWik7wR0TIqkkYyYJHTSg61GkXUIXrZJ6iYx2ejDg1+QTPm9rU
		Yr7nP52gVkQuUAX1+xB6wKLSDizQJw8SNiUGXl5+2vwV6+0BI3/CXlQ8I/nRPBC1
		oqOIkRSbE+IF7DP9QvYuNG/3bZZQ8LUVeHxqI5Mq8K2VIJZd95AIwPNMH34SaDGz
		9xjG28Fq4ZkuDP0pCsHM9d2XEwK5PEVS18WW5fJ/QcJKMno4IPTB70ZBBjVzv6Y+
		MYjOrw==
		-----END CERTIFICATE-----

verifier.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -373,8 +373,8 @@ bool CheckRSAKey(const std::unique_ptr<RSA, RSADeleter>& rsa) {
		const BIGNUM* out_e;
		RSA_get0_key(rsa.get(), &out_n, &out_e, nullptr /* private exponent */);
		auto modulus_bits = BN_num_bits(out_n);
		if (modulus_bits != 2048) {
		LOG(ERROR) << "Modulus should be 2048 bits long, actual: " << modulus_bits;
		if (modulus_bits != 2048 && modulus_bits != 4096) {
		LOG(ERROR) << "Modulus should be 2048 or 4096 bits long, actual: " << modulus_bits;
		return false;
		}

verifier.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -88,7 +88,8 @@ class VerifierInterface {
		// VERIFY_FAILURE (if any error is encountered or no key matches the signature).
		int verify_file(VerifierInterface* package, const std::vector<Certificate>& keys);

		// Checks that the RSA key has a modulus of 2048 bits long, and public exponent is 3 or 65537.
		// Checks that the RSA key has a modulus of 2048 or 4096 bits long, and public exponent is 3 or
		// 65537.
		bool CheckRSAKey(const std::unique_ptr<RSA, RSADeleter>& rsa);

		// Checks that the field size of the curve for the EC key is 256 bits.