Add HMAC import key test and RFC 4231 test vector tests.
Change-Id: I5b93562a42ee62a88b63358099eb1360e2ad6e7e
diff --git a/google_keymaster_test.cpp b/google_keymaster_test.cpp
index 985eb66..e2a2102 100644
--- a/google_keymaster_test.cpp
+++ b/google_keymaster_test.cpp
@@ -132,7 +132,7 @@
return SigningKey();
}
- ParamBuilder& AesEncryptionKey(uint32_t key_size) {
+ ParamBuilder& AesEncryptionKey(uint32_t key_size = 128) {
AesKey(key_size);
return EncryptionKey();
}
@@ -348,6 +348,16 @@
return response.error;
}
+ void CheckHmacTestVector(string key, string message, keymaster_digest_t digest,
+ string expected_mac) {
+ ASSERT_EQ(KM_ERROR_OK,
+ ImportKey(ParamBuilder().HmacKey(key.size() * 8, digest, expected_mac.size()),
+ KM_KEY_FORMAT_RAW, key));
+ string signature;
+ SignMessage(message, &signature);
+ EXPECT_EQ(expected_mac, signature) << "Test vector didn't match for digest " << digest;
+ }
+
AuthorizationSet hw_enforced() {
EXPECT_TRUE(characteristics_ != NULL);
return AuthorizationSet(characteristics_->hw_enforced);
@@ -804,9 +814,241 @@
ASSERT_EQ(64, signature.size());
}
-// TODO(swillden): Add HMACSHA{224|256|384|512} tests that validates against the test vectors from
-// RFC4231. Doing that requires being able to import keys, rather than just
-// generate them randomly.
+template <size_t N> string make_string(const uint8_t(&a)[N]) {
+ return string(reinterpret_cast<const char*>(a), N);
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase1) {
+ uint8_t key_data[] = {
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+ };
+ string message = "Hi There";
+ uint8_t sha_224_expected[] = {
+ 0x89, 0x6f, 0xb1, 0x12, 0x8a, 0xbb, 0xdf, 0x19, 0x68, 0x32, 0x10, 0x7c, 0xd4, 0x9d,
+ 0xf3, 0x3f, 0x47, 0xb4, 0xb1, 0x16, 0x99, 0x12, 0xba, 0x4f, 0x53, 0x68, 0x4b, 0x22,
+ };
+ uint8_t sha_256_expected[] = {
+ 0xb0, 0x34, 0x4c, 0x61, 0xd8, 0xdb, 0x38, 0x53, 0x5c, 0xa8, 0xaf,
+ 0xce, 0xaf, 0x0b, 0xf1, 0x2b, 0x88, 0x1d, 0xc2, 0x00, 0xc9, 0x83,
+ 0x3d, 0xa7, 0x26, 0xe9, 0x37, 0x6c, 0x2e, 0x32, 0xcf, 0xf7,
+ };
+ uint8_t sha_384_expected[] = {
+ 0xaf, 0xd0, 0x39, 0x44, 0xd8, 0x48, 0x95, 0x62, 0x6b, 0x08, 0x25, 0xf4,
+ 0xab, 0x46, 0x90, 0x7f, 0x15, 0xf9, 0xda, 0xdb, 0xe4, 0x10, 0x1e, 0xc6,
+ 0x82, 0xaa, 0x03, 0x4c, 0x7c, 0xeb, 0xc5, 0x9c, 0xfa, 0xea, 0x9e, 0xa9,
+ 0x07, 0x6e, 0xde, 0x7f, 0x4a, 0xf1, 0x52, 0xe8, 0xb2, 0xfa, 0x9c, 0xb6,
+ };
+ uint8_t sha_512_expected[] = {
+ 0x87, 0xaa, 0x7c, 0xde, 0xa5, 0xef, 0x61, 0x9d, 0x4f, 0xf0, 0xb4, 0x24, 0x1a,
+ 0x1d, 0x6c, 0xb0, 0x23, 0x79, 0xf4, 0xe2, 0xce, 0x4e, 0xc2, 0x78, 0x7a, 0xd0,
+ 0xb3, 0x05, 0x45, 0xe1, 0x7c, 0xde, 0xda, 0xa8, 0x33, 0xb7, 0xd6, 0xb8, 0xa7,
+ 0x02, 0x03, 0x8b, 0x27, 0x4e, 0xae, 0xa3, 0xf4, 0xe4, 0xbe, 0x9d, 0x91, 0x4e,
+ 0xeb, 0x61, 0xf1, 0x70, 0x2e, 0x69, 0x6c, 0x20, 0x3a, 0x12, 0x68, 0x54,
+ };
+
+ string key = make_string(key_data);
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase2) {
+ string key = "Jefe";
+ string message = "what do ya want for nothing?";
+ uint8_t sha_224_expected[] = {
+ 0xa3, 0x0e, 0x01, 0x09, 0x8b, 0xc6, 0xdb, 0xbf, 0x45, 0x69, 0x0f, 0x3a, 0x7e, 0x9e,
+ 0x6d, 0x0f, 0x8b, 0xbe, 0xa2, 0xa3, 0x9e, 0x61, 0x48, 0x00, 0x8f, 0xd0, 0x5e, 0x44,
+ };
+ uint8_t sha_256_expected[] = {
+ 0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e, 0x6a, 0x04, 0x24,
+ 0x26, 0x08, 0x95, 0x75, 0xc7, 0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27,
+ 0x39, 0x83, 0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43,
+ };
+ uint8_t sha_384_expected[] = {
+ 0xaf, 0x45, 0xd2, 0xe3, 0x76, 0x48, 0x40, 0x31, 0x61, 0x7f, 0x78, 0xd2,
+ 0xb5, 0x8a, 0x6b, 0x1b, 0x9c, 0x7e, 0xf4, 0x64, 0xf5, 0xa0, 0x1b, 0x47,
+ 0xe4, 0x2e, 0xc3, 0x73, 0x63, 0x22, 0x44, 0x5e, 0x8e, 0x22, 0x40, 0xca,
+ 0x5e, 0x69, 0xe2, 0xc7, 0x8b, 0x32, 0x39, 0xec, 0xfa, 0xb2, 0x16, 0x49,
+ };
+ uint8_t sha_512_expected[] = {
+ 0x16, 0x4b, 0x7a, 0x7b, 0xfc, 0xf8, 0x19, 0xe2, 0xe3, 0x95, 0xfb, 0xe7, 0x3b,
+ 0x56, 0xe0, 0xa3, 0x87, 0xbd, 0x64, 0x22, 0x2e, 0x83, 0x1f, 0xd6, 0x10, 0x27,
+ 0x0c, 0xd7, 0xea, 0x25, 0x05, 0x54, 0x97, 0x58, 0xbf, 0x75, 0xc0, 0x5a, 0x99,
+ 0x4a, 0x6d, 0x03, 0x4f, 0x65, 0xf8, 0xf0, 0xe6, 0xfd, 0xca, 0xea, 0xb1, 0xa3,
+ 0x4d, 0x4a, 0x6b, 0x4b, 0x63, 0x6e, 0x07, 0x0a, 0x38, 0xbc, 0xe7, 0x37,
+ };
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase3) {
+ string key(20, 0xaa);
+ string message(50, 0xdd);
+ uint8_t sha_224_expected[] = {
+ 0x7f, 0xb3, 0xcb, 0x35, 0x88, 0xc6, 0xc1, 0xf6, 0xff, 0xa9, 0x69, 0x4d, 0x7d, 0x6a,
+ 0xd2, 0x64, 0x93, 0x65, 0xb0, 0xc1, 0xf6, 0x5d, 0x69, 0xd1, 0xec, 0x83, 0x33, 0xea,
+ };
+ uint8_t sha_256_expected[] = {
+ 0x77, 0x3e, 0xa9, 0x1e, 0x36, 0x80, 0x0e, 0x46, 0x85, 0x4d, 0xb8,
+ 0xeb, 0xd0, 0x91, 0x81, 0xa7, 0x29, 0x59, 0x09, 0x8b, 0x3e, 0xf8,
+ 0xc1, 0x22, 0xd9, 0x63, 0x55, 0x14, 0xce, 0xd5, 0x65, 0xfe,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x88, 0x06, 0x26, 0x08, 0xd3, 0xe6, 0xad, 0x8a, 0x0a, 0xa2, 0xac, 0xe0,
+ 0x14, 0xc8, 0xa8, 0x6f, 0x0a, 0xa6, 0x35, 0xd9, 0x47, 0xac, 0x9f, 0xeb,
+ 0xe8, 0x3e, 0xf4, 0xe5, 0x59, 0x66, 0x14, 0x4b, 0x2a, 0x5a, 0xb3, 0x9d,
+ 0xc1, 0x38, 0x14, 0xb9, 0x4e, 0x3a, 0xb6, 0xe1, 0x01, 0xa3, 0x4f, 0x27,
+ };
+ uint8_t sha_512_expected[] = {
+ 0xfa, 0x73, 0xb0, 0x08, 0x9d, 0x56, 0xa2, 0x84, 0xef, 0xb0, 0xf0, 0x75, 0x6c,
+ 0x89, 0x0b, 0xe9, 0xb1, 0xb5, 0xdb, 0xdd, 0x8e, 0xe8, 0x1a, 0x36, 0x55, 0xf8,
+ 0x3e, 0x33, 0xb2, 0x27, 0x9d, 0x39, 0xbf, 0x3e, 0x84, 0x82, 0x79, 0xa7, 0x22,
+ 0xc8, 0x06, 0xb4, 0x85, 0xa4, 0x7e, 0x67, 0xc8, 0x07, 0xb9, 0x46, 0xa3, 0x37,
+ 0xbe, 0xe8, 0x94, 0x26, 0x74, 0x27, 0x88, 0x59, 0xe1, 0x32, 0x92, 0xfb,
+ };
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase4) {
+ uint8_t key_data[25] = {
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
+ 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19,
+ };
+ string key = make_string(key_data);
+ string message(50, 0xcd);
+ uint8_t sha_224_expected[] = {
+ 0x6c, 0x11, 0x50, 0x68, 0x74, 0x01, 0x3c, 0xac, 0x6a, 0x2a, 0xbc, 0x1b, 0xb3, 0x82,
+ 0x62, 0x7c, 0xec, 0x6a, 0x90, 0xd8, 0x6e, 0xfc, 0x01, 0x2d, 0xe7, 0xaf, 0xec, 0x5a,
+ };
+ uint8_t sha_256_expected[] = {
+ 0x82, 0x55, 0x8a, 0x38, 0x9a, 0x44, 0x3c, 0x0e, 0xa4, 0xcc, 0x81,
+ 0x98, 0x99, 0xf2, 0x08, 0x3a, 0x85, 0xf0, 0xfa, 0xa3, 0xe5, 0x78,
+ 0xf8, 0x07, 0x7a, 0x2e, 0x3f, 0xf4, 0x67, 0x29, 0x66, 0x5b,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x3e, 0x8a, 0x69, 0xb7, 0x78, 0x3c, 0x25, 0x85, 0x19, 0x33, 0xab, 0x62,
+ 0x90, 0xaf, 0x6c, 0xa7, 0x7a, 0x99, 0x81, 0x48, 0x08, 0x50, 0x00, 0x9c,
+ 0xc5, 0x57, 0x7c, 0x6e, 0x1f, 0x57, 0x3b, 0x4e, 0x68, 0x01, 0xdd, 0x23,
+ 0xc4, 0xa7, 0xd6, 0x79, 0xcc, 0xf8, 0xa3, 0x86, 0xc6, 0x74, 0xcf, 0xfb,
+ };
+ uint8_t sha_512_expected[] = {
+ 0xb0, 0xba, 0x46, 0x56, 0x37, 0x45, 0x8c, 0x69, 0x90, 0xe5, 0xa8, 0xc5, 0xf6,
+ 0x1d, 0x4a, 0xf7, 0xe5, 0x76, 0xd9, 0x7f, 0xf9, 0x4b, 0x87, 0x2d, 0xe7, 0x6f,
+ 0x80, 0x50, 0x36, 0x1e, 0xe3, 0xdb, 0xa9, 0x1c, 0xa5, 0xc1, 0x1a, 0xa2, 0x5e,
+ 0xb4, 0xd6, 0x79, 0x27, 0x5c, 0xc5, 0x78, 0x80, 0x63, 0xa5, 0xf1, 0x97, 0x41,
+ 0x12, 0x0c, 0x4f, 0x2d, 0xe2, 0xad, 0xeb, 0xeb, 0x10, 0xa2, 0x98, 0xdd,
+ };
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase5) {
+ string key(20, 0x0c);
+ string message = "Test With Truncation";
+
+ uint8_t sha_224_expected[] = {
+ 0x0e, 0x2a, 0xea, 0x68, 0xa9, 0x0c, 0x8d, 0x37,
+ 0xc9, 0x88, 0xbc, 0xdb, 0x9f, 0xca, 0x6f, 0xa8,
+ };
+ uint8_t sha_256_expected[] = {
+ 0xa3, 0xb6, 0x16, 0x74, 0x73, 0x10, 0x0e, 0xe0,
+ 0x6e, 0x0c, 0x79, 0x6c, 0x29, 0x55, 0x55, 0x2b,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x3a, 0xbf, 0x34, 0xc3, 0x50, 0x3b, 0x2a, 0x23,
+ 0xa4, 0x6e, 0xfc, 0x61, 0x9b, 0xae, 0xf8, 0x97,
+ };
+ uint8_t sha_512_expected[] = {
+ 0x41, 0x5f, 0xad, 0x62, 0x71, 0x58, 0x0a, 0x53,
+ 0x1d, 0x41, 0x79, 0xbc, 0x89, 0x1d, 0x87, 0xa6,
+ };
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase6) {
+ string key(131, 0xaa);
+ string message = "Test Using Larger Than Block-Size Key - Hash Key First";
+
+ uint8_t sha_224_expected[] = {
+ 0x95, 0xe9, 0xa0, 0xdb, 0x96, 0x20, 0x95, 0xad, 0xae, 0xbe, 0x9b, 0x2d, 0x6f, 0x0d,
+ 0xbc, 0xe2, 0xd4, 0x99, 0xf1, 0x12, 0xf2, 0xd2, 0xb7, 0x27, 0x3f, 0xa6, 0x87, 0x0e,
+ };
+ uint8_t sha_256_expected[] = {
+ 0x60, 0xe4, 0x31, 0x59, 0x1e, 0xe0, 0xb6, 0x7f, 0x0d, 0x8a, 0x26,
+ 0xaa, 0xcb, 0xf5, 0xb7, 0x7f, 0x8e, 0x0b, 0xc6, 0x21, 0x37, 0x28,
+ 0xc5, 0x14, 0x05, 0x46, 0x04, 0x0f, 0x0e, 0xe3, 0x7f, 0x54,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x4e, 0xce, 0x08, 0x44, 0x85, 0x81, 0x3e, 0x90, 0x88, 0xd2, 0xc6, 0x3a,
+ 0x04, 0x1b, 0xc5, 0xb4, 0x4f, 0x9e, 0xf1, 0x01, 0x2a, 0x2b, 0x58, 0x8f,
+ 0x3c, 0xd1, 0x1f, 0x05, 0x03, 0x3a, 0xc4, 0xc6, 0x0c, 0x2e, 0xf6, 0xab,
+ 0x40, 0x30, 0xfe, 0x82, 0x96, 0x24, 0x8d, 0xf1, 0x63, 0xf4, 0x49, 0x52,
+ };
+ uint8_t sha_512_expected[] = {
+ 0x80, 0xb2, 0x42, 0x63, 0xc7, 0xc1, 0xa3, 0xeb, 0xb7, 0x14, 0x93, 0xc1, 0xdd,
+ 0x7b, 0xe8, 0xb4, 0x9b, 0x46, 0xd1, 0xf4, 0x1b, 0x4a, 0xee, 0xc1, 0x12, 0x1b,
+ 0x01, 0x37, 0x83, 0xf8, 0xf3, 0x52, 0x6b, 0x56, 0xd0, 0x37, 0xe0, 0x5f, 0x25,
+ 0x98, 0xbd, 0x0f, 0xd2, 0x21, 0x5d, 0x6a, 0x1e, 0x52, 0x95, 0xe6, 0x4f, 0x73,
+ 0xf6, 0x3f, 0x0a, 0xec, 0x8b, 0x91, 0x5a, 0x98, 0x5d, 0x78, 0x65, 0x98,
+ };
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
+
+TEST_F(SigningOperationsTest, HmacRfc4231TestCase7) {
+ string key(131, 0xaa);
+ string message = "This is a test using a larger than block-size key and a larger than "
+ "block-size data. The key needs to be hashed before being used by the HMAC "
+ "algorithm.";
+
+ uint8_t sha_224_expected[] = {
+ 0x3a, 0x85, 0x41, 0x66, 0xac, 0x5d, 0x9f, 0x02, 0x3f, 0x54, 0xd5, 0x17, 0xd0, 0xb3,
+ 0x9d, 0xbd, 0x94, 0x67, 0x70, 0xdb, 0x9c, 0x2b, 0x95, 0xc9, 0xf6, 0xf5, 0x65, 0xd1,
+ };
+ uint8_t sha_256_expected[] = {
+ 0x9b, 0x09, 0xff, 0xa7, 0x1b, 0x94, 0x2f, 0xcb, 0x27, 0x63, 0x5f,
+ 0xbc, 0xd5, 0xb0, 0xe9, 0x44, 0xbf, 0xdc, 0x63, 0x64, 0x4f, 0x07,
+ 0x13, 0x93, 0x8a, 0x7f, 0x51, 0x53, 0x5c, 0x3a, 0x35, 0xe2,
+ };
+ uint8_t sha_384_expected[] = {
+ 0x66, 0x17, 0x17, 0x8e, 0x94, 0x1f, 0x02, 0x0d, 0x35, 0x1e, 0x2f, 0x25,
+ 0x4e, 0x8f, 0xd3, 0x2c, 0x60, 0x24, 0x20, 0xfe, 0xb0, 0xb8, 0xfb, 0x9a,
+ 0xdc, 0xce, 0xbb, 0x82, 0x46, 0x1e, 0x99, 0xc5, 0xa6, 0x78, 0xcc, 0x31,
+ 0xe7, 0x99, 0x17, 0x6d, 0x38, 0x60, 0xe6, 0x11, 0x0c, 0x46, 0x52, 0x3e,
+ };
+ uint8_t sha_512_expected[] = {
+ 0xe3, 0x7b, 0x6a, 0x77, 0x5d, 0xc8, 0x7d, 0xba, 0xa4, 0xdf, 0xa9, 0xf9, 0x6e,
+ 0x5e, 0x3f, 0xfd, 0xde, 0xbd, 0x71, 0xf8, 0x86, 0x72, 0x89, 0x86, 0x5d, 0xf5,
+ 0xa3, 0x2d, 0x20, 0xcd, 0xc9, 0x44, 0xb6, 0x02, 0x2c, 0xac, 0x3c, 0x49, 0x82,
+ 0xb1, 0x0d, 0x5e, 0xeb, 0x55, 0xc3, 0xe4, 0xde, 0x15, 0x13, 0x46, 0x76, 0xfb,
+ 0x6d, 0xe0, 0x44, 0x60, 0x65, 0xc9, 0x74, 0x40, 0xfa, 0x8c, 0x6a, 0x58,
+ };
+
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_224, make_string(sha_224_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_256, make_string(sha_256_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_384, make_string(sha_384_expected));
+ CheckHmacTestVector(key, message, KM_DIGEST_SHA_2_512, make_string(sha_512_expected));
+}
TEST_F(SigningOperationsTest, HmacSha256NoMacLength) {
ASSERT_EQ(KM_ERROR_OK, GenerateKey(ParamBuilder()
@@ -1225,6 +1467,37 @@
KM_KEY_FORMAT_PKCS8, pk8_key));
}
+TEST_F(ImportKeyTest, AesKeySuccess) {
+ char key_data[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+ string key(key_data, sizeof(key_data));
+ ASSERT_EQ(KM_ERROR_OK, ImportKey(ParamBuilder().AesEncryptionKey().OcbMode(4096, 16),
+ KM_KEY_FORMAT_RAW, key));
+
+ EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
+ EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
+
+ string message = "Hello World!";
+ string ciphertext = EncryptMessage(message);
+ string plaintext = DecryptMessage(ciphertext);
+ EXPECT_EQ(message, plaintext);
+}
+
+TEST_F(ImportKeyTest, HmacSha256KeySuccess) {
+ char key_data[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+ string key(key_data, sizeof(key_data));
+ ASSERT_EQ(KM_ERROR_OK,
+ ImportKey(ParamBuilder().HmacKey(sizeof(key_data) * 8, KM_DIGEST_SHA_2_256, 32),
+ KM_KEY_FORMAT_RAW, key));
+
+ EXPECT_TRUE(contains(sw_enforced(), TAG_ORIGIN, KM_ORIGIN_IMPORTED));
+ EXPECT_TRUE(contains(sw_enforced(), KM_TAG_CREATION_DATETIME));
+
+ string message = "Hello World!";
+ string signature;
+ SignMessage(message, &signature);
+ VerifyMessage(message, signature);
+}
+
typedef KeymasterTest VersionTest;
TEST_F(VersionTest, GetVersion) {
uint8_t major, minor, subminor;