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Unified Diff: content/child/webcrypto/shared_crypto_unittest.cc

Issue 275943004: Add support for RSA-OAEP when using NSS 3.16.2 or later (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix ifdef Created 6 years, 7 months ago
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Index: content/child/webcrypto/shared_crypto_unittest.cc
diff --git a/content/child/webcrypto/shared_crypto_unittest.cc b/content/child/webcrypto/shared_crypto_unittest.cc
index 7613194c61ffae55c300d7809718b11436e44a81..2fdb271575d798273cc5c27d58c17117f5aeafeb 100644
--- a/content/child/webcrypto/shared_crypto_unittest.cc
+++ b/content/child/webcrypto/shared_crypto_unittest.cc
@@ -29,6 +29,13 @@
#include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h"
#include "third_party/re2/re2/re2.h"
+#if !defined(USE_OPENSSL)
+#include <nss.h>
+#include <pk11pub.h>
+
+#include "crypto/scoped_nss_types.h"
+#endif
+
// The OpenSSL implementation of WebCrypto is less complete, so don't run all of
// the tests: http://crbug.com/267888
#if defined(USE_OPENSSL)
@@ -106,6 +113,17 @@ bool SupportsAesGcm() {
return status.IsSuccess();
}
+bool SupportsRsaOaep() {
+#if defined(USE_OPENSSL)
+ return false;
+#else
+ if (!NSS_VersionCheck("3.16.2"))
+ return false;
+ crypto::ScopedPK11Slot slot(PK11_GetInternalKeySlot());
+ return !!PK11_DoesMechanism(slot.get(), CKM_RSA_PKCS_OAEP);
+#endif
+}
+
blink::WebCryptoAlgorithm CreateRsaKeyGenAlgorithm(
blink::WebCryptoAlgorithmId algorithm_id,
unsigned int modulus_length,
@@ -136,6 +154,15 @@ blink::WebCryptoAlgorithm CreateRsaHashedKeyGenAlgorithm(
public_exponent.size()));
}
+// Creates an RSA-OAEP algorithm
+blink::WebCryptoAlgorithm CreateRsaOaepAlgorithm(
+ const std::vector<uint8>& label) {
+ return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ new blink::WebCryptoRsaOaepParams(
+ !label.empty(), Uint8VectorStart(label), label.size()));
+}
+
// Creates an AES-CBC algorithm.
blink::WebCryptoAlgorithm CreateAesCbcAlgorithm(const std::vector<uint8>& iv) {
return blink::WebCryptoAlgorithm::adoptParamsAndCreate(
@@ -403,6 +430,13 @@ const char* const kPrivateKeyPkcs8DerHex =
"156aba4126d24a81f3a528cbfb27f56886f840a9f6e86e17a44b94fe9319"
"584b8e22fdde1e5a2e3bd8aa5ba8d8584194eb2190acf832b847f13a3d24"
"a79f4d";
+// The modulus and exponent (in hex) of kPublicKeySpkiDerHex
+const char* const kPublicKeyModulusHex =
+ "A56E4A0E701017589A5187DC7EA841D156F2EC0E36AD52A44DFEB1E61F7AD991D8C51056"
+ "FFEDB162B4C0F283A12A88A394DFF526AB7291CBB307CEABFCE0B1DFD5CD9508096D5B2B"
+ "8B6DF5D671EF6377C0921CB23C270A70E2598E6FF89D19F105ACC2D3F0CB35F29280E138"
+ "6B6F64C4EF22E1E1F20D0CE8CFFB2249BD9A2137";
+const char* const kPublicKeyExponentHex = "010001";
class SharedCryptoTest : public testing::Test {
protected:
@@ -439,7 +473,7 @@ void ImportRsaKeyPair(const std::vector<uint8>& spki_der,
blink::WebCryptoKeyUsageMask usage_mask,
blink::WebCryptoKey* public_key,
blink::WebCryptoKey* private_key) {
- EXPECT_EQ(Status::Success(),
+ ASSERT_EQ(Status::Success(),
ImportKey(blink::WebCryptoKeyFormatSpki,
CryptoData(spki_der),
algorithm,
@@ -453,7 +487,7 @@ void ImportRsaKeyPair(const std::vector<uint8>& spki_der,
EXPECT_EQ(extractable, extractable);
EXPECT_EQ(usage_mask, public_key->usages());
- EXPECT_EQ(Status::Success(),
+ ASSERT_EQ(Status::Success(),
ImportKey(blink::WebCryptoKeyFormatPkcs8,
CryptoData(pkcs8_der),
algorithm,
@@ -1439,15 +1473,11 @@ TEST_F(SharedCryptoTest, ImportJwkOctFailures) {
}
TEST_F(SharedCryptoTest, MAYBE(ImportExportJwkRsaPublicKey)) {
- // This test uses kPublicKeySpkiDerHex as the RSA key. The data below
- // represents the modulus and public exponent extracted from this SPKI blob.
- // These values appear explicitly in the JWK rendering of the key.
- const std::string n_hex =
- "A56E4A0E701017589A5187DC7EA841D156F2EC0E36AD52A44DFEB1E61F7AD991D8C51056"
- "FFEDB162B4C0F283A12A88A394DFF526AB7291CBB307CEABFCE0B1DFD5CD9508096D5B2B"
- "8B6DF5D671EF6377C0921CB23C270A70E2598E6FF89D19F105ACC2D3F0CB35F29280E138"
- "6B6F64C4EF22E1E1F20D0CE8CFFB2249BD9A2137";
- const std::string e_hex = "010001";
+ const bool supports_rsa_oaep = SupportsRsaOaep();
+ if (!supports_rsa_oaep) {
+ LOG(WARNING) << "RSA-OAEP not supported on this platform. Skipping some"
+ << "tests.";
+ }
struct TestCase {
const blink::WebCryptoAlgorithm algorithm;
@@ -1477,12 +1507,32 @@ TEST_F(SharedCryptoTest, MAYBE(ImportExportJwkRsaPublicKey)) {
{CreateRsaHashedImportAlgorithm(
blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5,
blink::WebCryptoAlgorithmIdSha512),
- blink::WebCryptoKeyUsageSign, "RS512"}};
+ blink::WebCryptoKeyUsageSign, "RS512"},
+ // RSA-OAEP with SHA-1 and MGF-1 / SHA-1
+ {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP"},
+ // RSA-OAEP with SHA-256 and MGF-1 / SHA-256
+ {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha256),
+ blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-256"},
+ // RSA-OAEP with SHA-384 and MGF-1 / SHA-384
+ {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha384),
+ blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-384"},
+ // RSA-OAEP with SHA-512 and MGF-1 / SHA-512
+ {CreateRsaHashedImportAlgorithm(blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha512),
+ blink::WebCryptoKeyUsageEncrypt, "RSA-OAEP-512"}};
for (size_t test_index = 0; test_index < ARRAYSIZE_UNSAFE(kTests);
++test_index) {
SCOPED_TRACE(test_index);
const TestCase& test = kTests[test_index];
+ if (!supports_rsa_oaep &&
+ test.algorithm.id() == blink::WebCryptoAlgorithmIdRsaOaep) {
+ continue;
+ }
// Import the spki to create a public key
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
@@ -1498,24 +1548,33 @@ TEST_F(SharedCryptoTest, MAYBE(ImportExportJwkRsaPublicKey)) {
std::vector<uint8> jwk;
ASSERT_EQ(Status::Success(),
ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk));
- EXPECT_TRUE(VerifyPublicJwk(jwk, test.jwk_alg, n_hex, e_hex, test.usage));
+ EXPECT_TRUE(VerifyPublicJwk(jwk,
+ test.jwk_alg,
+ kPublicKeyModulusHex,
+ kPublicKeyExponentHex,
+ test.usage));
// Import the JWK back in to create a new key
blink::WebCryptoKey public_key2 = blink::WebCryptoKey::createNull();
- EXPECT_EQ(
+ ASSERT_EQ(
Status::Success(),
ImportKeyJwk(
CryptoData(jwk), test.algorithm, true, test.usage, &public_key2));
- EXPECT_TRUE(public_key2.handle());
+ ASSERT_TRUE(public_key2.handle());
EXPECT_EQ(blink::WebCryptoKeyTypePublic, public_key2.type());
EXPECT_EQ(true, public_key2.extractable());
EXPECT_EQ(test.algorithm.id(), public_key2.algorithm().id());
- // Export the new key as spki and compare to the original.
- std::vector<uint8> spki;
- ASSERT_EQ(Status::Success(),
- ExportKey(blink::WebCryptoKeyFormatSpki, public_key2, &spki));
- EXPECT_BYTES_EQ_HEX(kPublicKeySpkiDerHex, CryptoData(spki));
+ // Only perform SPKI consistency test for RSA-ES and RSA-SSA, as their
+ // export format is the same as kPublicKeySpkiDerHex
+ if (test.algorithm.id() == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 ||
+ test.algorithm.id() == blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5) {
+ // Export the new key as spki and compare to the original.
+ std::vector<uint8> spki;
+ ASSERT_EQ(Status::Success(),
+ ExportKey(blink::WebCryptoKeyFormatSpki, public_key2, &spki));
+ EXPECT_BYTES_EQ_HEX(kPublicKeySpkiDerHex, CryptoData(spki));
+ }
}
}
@@ -1980,6 +2039,13 @@ TEST_F(SharedCryptoTest, MAYBE(ImportExportSpki)) {
EXPECT_FALSE(key.extractable());
EXPECT_EQ(Status::ErrorKeyNotExtractable(),
ExportKey(blink::WebCryptoKeyFormatSpki, key, &output));
+
+ // TODO(eroman): Failing test: Import a SPKI with an unrecognized hash OID
+ // TODO(eroman): Failing test: Import a SPKI with invalid algorithm params
+ // TODO(eroman): Failing test: Import a SPKI with inconsistent parameters
+ // (e.g. SHA-1 in OID, SHA-256 in params)
+ // TODO(eroman): Failing test: Import a SPKI for RSA-SSA, but with params
+ // as OAEP/PSS
}
TEST_F(SharedCryptoTest, MAYBE(ImportExportPkcs8)) {
@@ -2234,14 +2300,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsRoundTrip)) {
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKeySpkiDerHex),
HexStringToBytes(kPrivateKeyPkcs8DerHex),
algorithm,
false,
blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt,
&public_key,
- &private_key);
+ &private_key));
// Make a maximum-length data message. RSAES can operate on messages up to
// length of k - 11 bytes, where k is the octet length of the RSA modulus.
@@ -2302,14 +2368,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsKnownAnswer)) {
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
rsa_spki_der,
rsa_pkcs8_der,
algorithm,
false,
blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt,
&public_key,
- &private_key);
+ &private_key));
// Decrypt the known-good ciphertext with the private key. As a check we must
// get the known original cleartext.
@@ -2343,14 +2409,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsFailures)) {
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKeySpkiDerHex),
HexStringToBytes(kPrivateKeyPkcs8DerHex),
algorithm,
false,
blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt,
&public_key,
- &private_key);
+ &private_key));
// Fail encrypt with a private key.
std::vector<uint8> encrypted_data;
@@ -2416,13 +2482,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaSsaSignVerifyFailures)) {
blink::WebCryptoAlgorithmIdSha1);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(HexStringToBytes(kPublicKeySpkiDerHex),
- HexStringToBytes(kPrivateKeyPkcs8DerHex),
- importAlgorithm,
- false,
- usage_mask,
- &public_key,
- &private_key);
+ ASSERT_NO_FATAL_FAILURE(
+ ImportRsaKeyPair(HexStringToBytes(kPublicKeySpkiDerHex),
+ HexStringToBytes(kPrivateKeyPkcs8DerHex),
+ importAlgorithm,
+ false,
+ usage_mask,
+ &public_key,
+ &private_key));
blink::WebCryptoAlgorithm algorithm =
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5);
@@ -2559,14 +2626,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaSignVerifyKnownAnswer)) {
blink::WebCryptoAlgorithmIdSha1);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKeySpkiDerHex),
HexStringToBytes(kPrivateKeyPkcs8DerHex),
importAlgorithm,
false,
blink::WebCryptoKeyUsageSign | blink::WebCryptoKeyUsageVerify,
&public_key,
- &private_key);
+ &private_key));
blink::WebCryptoAlgorithm algorithm =
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5);
@@ -3140,14 +3207,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsRawSymkeyWrapUnwrapKnownAnswer)) {
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
rsa_spki_der,
rsa_pkcs8_der,
algorithm,
false,
blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey,
&public_key,
- &private_key);
+ &private_key));
// Import the symmetric key.
blink::WebCryptoKey key = blink::WebCryptoKey::createNull();
@@ -3217,14 +3284,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsRawSymkeyWrapUnwrapErrors)) {
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5);
blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKeySpkiDerHex),
HexStringToBytes(kPrivateKeyPkcs8DerHex),
wrapping_algorithm,
false,
blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey,
&public_key,
- &private_key);
+ &private_key));
// Import the symmetric key.
blink::WebCryptoKey key = blink::WebCryptoKey::createNull();
@@ -3370,14 +3437,14 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsJwkSymkeyWrapUnwrapRoundTrip)) {
CreateAlgorithm(blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5);
blink::WebCryptoKey public_wrapping_key = blink::WebCryptoKey::createNull();
blink::WebCryptoKey private_wrapping_key = blink::WebCryptoKey::createNull();
- ImportRsaKeyPair(
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
HexStringToBytes(kPublicKeySpkiDerHex),
HexStringToBytes(kPrivateKeyPkcs8DerHex),
wrapping_algorithm,
false,
blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey,
&public_wrapping_key,
- &private_wrapping_key);
+ &private_wrapping_key));
// Wrap the symkey in JWK format, using the public wrapping key.
std::vector<uint8> wrapped_data;
@@ -3479,6 +3546,551 @@ TEST_F(SharedCryptoTest, MAYBE(RsaEsJwkSymkeyWrapUnwrapErrors)) {
&unwrapped_key));
}
+class SharedCryptoRsaOaepTest : public ::testing::Test {
+ public:
+ SharedCryptoRsaOaepTest() { Init(); }
+
+ scoped_ptr<base::DictionaryValue> CreatePublicKeyJwkDict() {
+ scoped_ptr<base::DictionaryValue> jwk(new base::DictionaryValue());
+ jwk->SetString("kty", "RSA");
+ jwk->SetString("n",
+ Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyModulusHex)));
+ jwk->SetString(
+ "e", Base64EncodeUrlSafe(HexStringToBytes(kPublicKeyExponentHex)));
+ return jwk.Pass();
+ }
+};
+
+// Import a PKCS#8 private key that uses RSAPrivateKey with the
+// id-rsaEncryption OID.
+TEST_F(SharedCryptoRsaOaepTest, ImportPkcs8WithRsaEncryption) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKey(blink::WebCryptoKeyFormatPkcs8,
+ CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ true,
+ blink::WebCryptoKeyUsageDecrypt,
+ &private_key));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithNoAlg) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKeyJwkFromDict(*jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithMatchingAlg) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+ jwk->SetString("alg", "RSA-OAEP");
+
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKeyJwkFromDict(*jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithMismatchedAlgFails) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+ jwk->SetString("alg", "RSA-OAEP-512");
+
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::ErrorJwkAlgorithmInconsistent(),
+ ImportKeyJwkFromDict(*jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, ImportPublicJwkWithMismatchedTypFails) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+ jwk->SetString("kty", "oct");
+ jwk->SetString("alg", "RSA-OAEP");
+
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::ErrorJwkPropertyMissing("k"),
+ ImportKeyJwkFromDict(*jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, ExportPublicJwk) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ struct TestData {
+ blink::WebCryptoAlgorithmId hash_alg;
+ const char* expected_jwk_alg;
+ } kTestData[] = {{blink::WebCryptoAlgorithmIdSha1, "RSA-OAEP"},
+ {blink::WebCryptoAlgorithmIdSha256, "RSA-OAEP-256"},
+ {blink::WebCryptoAlgorithmIdSha384, "RSA-OAEP-384"},
+ {blink::WebCryptoAlgorithmIdSha512, "RSA-OAEP-512"}};
+ for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestData); ++i) {
+ const TestData& test_data = kTestData[i];
+ SCOPED_TRACE(test_data.expected_jwk_alg);
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+ jwk->SetString("alg", test_data.expected_jwk_alg);
+
+ // Import the key in a known-good format
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKeyJwkFromDict(
+ *jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep, test_data.hash_alg),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+
+ // Now export the key as JWK and verify its contents
+ std::vector<uint8> jwk_data;
+ ASSERT_EQ(Status::Success(),
+ ExportKey(blink::WebCryptoKeyFormatJwk, public_key, &jwk_data));
+ EXPECT_TRUE(VerifyPublicJwk(jwk_data,
+ test_data.expected_jwk_alg,
+ kPublicKeyModulusHex,
+ kPublicKeyExponentHex,
+ blink::WebCryptoKeyUsageEncrypt));
+ }
+}
+
+TEST_F(SharedCryptoRsaOaepTest, EncryptDecryptKnownAnswerTest) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ scoped_ptr<base::ListValue> tests;
+ ASSERT_TRUE(ReadJsonTestFileToList("rsa_oaep.json", &tests));
+
+ for (size_t test_index = 0; test_index < tests->GetSize(); ++test_index) {
+ SCOPED_TRACE(test_index);
+
+ base::DictionaryValue* test = NULL;
+ ASSERT_TRUE(tests->GetDictionary(test_index, &test));
+
+ blink::WebCryptoAlgorithm digest_algorithm =
+ GetDigestAlgorithm(test, "hash");
+ ASSERT_FALSE(digest_algorithm.isNull());
+ std::vector<uint8> public_key_der =
+ GetBytesFromHexString(test, "public_key");
+ std::vector<uint8> private_key_der =
+ GetBytesFromHexString(test, "private_key");
+ std::vector<uint8> ciphertext = GetBytesFromHexString(test, "ciphertext");
+ std::vector<uint8> plaintext = GetBytesFromHexString(test, "plaintext");
+ std::vector<uint8> label = GetBytesFromHexString(test, "label");
+
+ blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep, digest_algorithm.id());
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
+
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
+ public_key_der,
+ private_key_der,
+ import_algorithm,
+ false,
+ blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt,
+ &public_key,
+ &private_key));
+
+ blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
+ std::vector<uint8> decrypted_data;
+ ASSERT_EQ(Status::Success(),
+ Decrypt(op_algorithm,
+ private_key,
+ CryptoData(ciphertext),
+ &decrypted_data));
+ EXPECT_BYTES_EQ(plaintext, decrypted_data);
+ std::vector<uint8> encrypted_data;
+ ASSERT_EQ(
+ Status::Success(),
+ Encrypt(
+ op_algorithm, public_key, CryptoData(plaintext), &encrypted_data));
+ std::vector<uint8> redecrypted_data;
+ ASSERT_EQ(Status::Success(),
+ Decrypt(op_algorithm,
+ private_key,
+ CryptoData(encrypted_data),
+ &redecrypted_data));
+ EXPECT_BYTES_EQ(plaintext, redecrypted_data);
+ }
+}
+
+TEST_F(SharedCryptoRsaOaepTest, EncryptWithLargeMessageFails) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha1;
+ const size_t kHashSize = 20;
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKeyJwkFromDict(*jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep, kHash),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+
+ // The maximum size of an encrypted message is:
+ // modulus length
+ // - 1 (leading octet)
+ // - hash size (maskedSeed)
+ // - hash size (lHash portion of maskedDB)
+ // - 1 (at least one octet for the padding string)
+ size_t kMaxMessageSize = (kModulusLengthBits / 8) - 2 - (2 * kHashSize);
+
+ // The label has no influence on the maximum message size. For simplicity,
+ // use the empty string.
+ std::vector<uint8> label;
+ blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
+
+ // Test that a message just before the boundary succeeds.
+ std::string large_message;
+ large_message.resize(kMaxMessageSize - 1, 'A');
+
+ std::vector<uint8> ciphertext;
+ ASSERT_EQ(
+ Status::Success(),
+ Encrypt(
+ op_algorithm, public_key, CryptoData(large_message), &ciphertext));
+
+ // Test that a message at the boundary succeeds.
+ large_message.resize(kMaxMessageSize, 'A');
+ ciphertext.clear();
+
+ ASSERT_EQ(
+ Status::Success(),
+ Encrypt(
+ op_algorithm, public_key, CryptoData(large_message), &ciphertext));
+
+ // Test that a message greater than the largest size fails.
+ large_message.resize(kMaxMessageSize + 1, 'A');
+ ciphertext.clear();
+
+ ASSERT_EQ(
+ Status::OperationError(),
+ Encrypt(
+ op_algorithm, public_key, CryptoData(large_message), &ciphertext));
+}
+
+// Ensures that if the selected hash algorithm for the RSA-OAEP message is too
+// large, then it is rejected, independent of the actual message to be
+// encrypted.
+// For example, a 1024-bit RSA key is too small to accomodate a message that
+// uses OAEP with SHA-512, since it requires 1040 bits to encode
+// (2 * hash size + 2 padding bytes).
+TEST_F(SharedCryptoRsaOaepTest, EncryptWithLargeDigestFails) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ const blink::WebCryptoAlgorithmId kHash = blink::WebCryptoAlgorithmIdSha512;
+
+ scoped_ptr<base::DictionaryValue> jwk(CreatePublicKeyJwkDict());
+
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKeyJwkFromDict(*jwk.get(),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep, kHash),
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &public_key));
+
+ // The label has no influence on the maximum message size. For simplicity,
+ // use the empty string.
+ std::vector<uint8> label;
+ blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
+
+ std::string small_message("A");
+ std::vector<uint8> ciphertext;
+ // This is an operation error, as the internal consistency checking of the
+ // algorithm parameters is up to the implementation.
+ ASSERT_EQ(
+ Status::OperationError(),
+ Encrypt(
+ op_algorithm, public_key, CryptoData(small_message), &ciphertext));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, DecryptWithLargeMessageFails) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ ImportKey(blink::WebCryptoKeyFormatPkcs8,
+ CryptoData(HexStringToBytes(kPrivateKeyPkcs8DerHex)),
+ CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep,
+ blink::WebCryptoAlgorithmIdSha1),
+ true,
+ blink::WebCryptoKeyUsageDecrypt,
+ &private_key));
+
+ // The label has no influence on the maximum message size. For simplicity,
+ // use the empty string.
+ std::vector<uint8> label;
+ blink::WebCryptoAlgorithm op_algorithm = CreateRsaOaepAlgorithm(label);
+
+ std::string large_dummy_message(kModulusLengthBits / 8, 'A');
+ std::vector<uint8> plaintext;
+
+ ASSERT_EQ(Status::OperationError(),
+ Decrypt(op_algorithm,
+ private_key,
+ CryptoData(large_dummy_message),
+ &plaintext));
+}
+
+TEST_F(SharedCryptoRsaOaepTest, WrapUnwrapRawKey) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
+
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
+ HexStringToBytes(kPublicKeySpkiDerHex),
+ HexStringToBytes(kPrivateKeyPkcs8DerHex),
+ import_algorithm,
+ false,
+ blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt |
+ blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey,
+ &public_key,
+ &private_key));
+
+ std::vector<uint8> label;
+ blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
+
+ const std::string key_hex = "000102030405060708090A0B0C0D0E0F";
+ const blink::WebCryptoAlgorithm key_algorithm =
+ webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
+
+ blink::WebCryptoKey key =
+ ImportSecretKeyFromRaw(HexStringToBytes(key_hex),
+ key_algorithm,
+ blink::WebCryptoKeyUsageEncrypt);
+ ASSERT_FALSE(key.isNull());
+
+ std::vector<uint8> wrapped_key;
+ ASSERT_EQ(Status::Success(),
+ WrapKey(blink::WebCryptoKeyFormatRaw,
+ key,
+ public_key,
+ wrapping_algorithm,
+ &wrapped_key));
+
+ // Verify that |wrapped_key| can be decrypted and yields the key data.
+ // Because |private_key| supports both decrypt and unwrap, this is valid.
+ std::vector<uint8> decrypted_key;
+ ASSERT_EQ(Status::Success(),
+ Decrypt(wrapping_algorithm,
+ private_key,
+ CryptoData(wrapped_key),
+ &decrypted_key));
+ EXPECT_BYTES_EQ_HEX(key_hex, decrypted_key);
+
+ // Now attempt to unwrap the key, which should also decrypt the data.
+ blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ UnwrapKey(blink::WebCryptoKeyFormatRaw,
+ CryptoData(wrapped_key),
+ private_key,
+ wrapping_algorithm,
+ key_algorithm,
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &unwrapped_key));
+ ASSERT_FALSE(unwrapped_key.isNull());
+
+ std::vector<uint8> raw_key;
+ ASSERT_EQ(Status::Success(),
+ ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
+ EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
+}
+
+TEST_F(SharedCryptoRsaOaepTest, WrapUnwrapJwkSymKey) {
+ if (!SupportsRsaOaep()) {
+ LOG(WARNING) << "RSA-OAEP support not present; skipping.";
+ return;
+ }
+
+ // The public and private portions of a 2048-bit RSA key with the
+ // id-rsaEncryption OID
+ const char kPublicKey2048SpkiDerHex[] =
+ "30820122300d06092a864886f70d01010105000382010f003082010a0282010100c5d8ce"
+ "137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b300c6a6c9764"
+ "f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448e7183a3a68"
+ "e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872458d1b1e2f"
+ "7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34ba17bc5d08"
+ "a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea9893652d02fc606"
+ "36f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d733711c89ca"
+ "749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b557c16615d"
+ "5d0203010001";
+ const char kPrivateKey2048Pkcs8DerHex[] =
+ "308204bd020100300d06092a864886f70d0101010500048204a7308204a3020100028201"
+ "0100c5d8ce137a38168c8ab70229cfa5accc640567159750a312ce2e7d54b6e2fdd59b30"
+ "0c6a6c9764f8de6f00519cdb90111453d273a967462786480621f9e7cee5b73d63358448"
+ "e7183a3a68e991186359f26aa88fbca5f53e673e502e4c5a2ba5068aeba60c9d0c44d872"
+ "458d1b1e2f7f339f986076d516e93dc750f0b7680b6f5f02bc0d5590495be04c4ae59d34"
+ "ba17bc5d08a93c75cfda2828f4a55b153af912038438276cb4a14f8116ca94db0ea98936"
+ "52d02fc60636f19975e3d79a4d8ea8bfed6f8e0a24b63d243b08ea70a086ad56dd6341d7"
+ "33711c89ca749d4a80b3e6ecd2f8e53731eadeac2ea77788ee55d7b4b47c0f2523fbd61b"
+ "557c16615d5d02030100010282010074b70feb41a0b0fcbc207670400556c9450042ede3"
+ "d4383fb1ce8f3558a6d4641d26dd4c333fa4db842d2b9cf9d2354d3e16ad027a9f682d8c"
+ "f4145a1ad97b9edcd8a41c402bd9d8db10f62f43df854cdccbbb2100834f083f53ed6d42"
+ "b1b729a59072b004a4e945fc027db15e9c121d1251464d320d4774d5732df6b3dbf751f4"
+ "9b19c9db201e19989c883bbaad5333db47f64f6f7a95b8d4936b10d945aa3f794cfaab62"
+ "e7d47686129358914f3b8085f03698a650ab5b8c7e45813f2b0515ec05b6e5195b6a7c2a"
+ "0d36969745f431ded4fd059f6aa361a4649541016d356297362b778e90f077d48815b339"
+ "ec6f43aba345df93e67fcb6c2cb5b4544e9be902818100e9c90abe5f9f32468c5b6d630c"
+ "54a4d7d75e29a72cf792f21e242aac78fd7995c42dfd4ae871d2619ff7096cb05baa78e3"
+ "23ecab338401a8059adf7a0d8be3b21edc9a9c82c5605634a2ec81ec053271721351868a"
+ "4c2e50c689d7cef94e31ff23658af5843366e2b289c5bf81d72756a7b93487dd8770d69c"
+ "1f4e089d6d89f302818100d8a58a727c4e209132afd9933b98c89aca862a01cc0be74133"
+ "bee517909e5c379e526895ac4af11780c1fe91194c777c9670b6423f0f5a32fd7691a622"
+ "113eef4bed2ef863363a335fd55b0e75088c582437237d7f3ed3f0a643950237bc6e6277"
+ "ccd0d0a1b4170aa1047aa7ffa7c8c54be10e8c7327ae2e0885663963817f6f02818100e5"
+ "aed9ba4d71b7502e6748a1ce247ecb7bd10c352d6d9256031cdf3c11a65e44b0b7ca2945"
+ "134671195af84c6b3bb3d10ebf65ae916f38bd5dbc59a0ad1c69b8beaf57cb3a8335f19b"
+ "c7117b576987b48331cd9fd3d1a293436b7bb5e1a35c6560de4b5688ea834367cb0997eb"
+ "b578f59ed4cb724c47dba94d3b484c1876dcd70281807f15bc7d2406007cac2b138a96af"
+ "2d1e00276b84da593132c253fcb73212732dfd25824c2a615bc3d9b7f2c8d2fa542d3562"
+ "b0c7738e61eeff580a6056239fb367ea9e5efe73d4f846033602e90c36a78db6fa8ea792"
+ "0769675ec58e237bd994d189c8045a96f5dd3a4f12547257ce224e3c9af830a4da3c0eab"
+ "9227a0035ae9028180067caea877e0b23090fc689322b71fbcce63d6596e66ab5fcdbaa0"
+ "0d49e93aba8effb4518c2da637f209028401a68f344865b4956b032c69acde51d29177ca"
+ "3db99fdbf5e74848ed4fa7bdfc2ebb60e2aaa5354770a763e1399ab7a2099762d525fea0"
+ "37f3e1972c45a477e66db95c9609bb27f862700ef93379930786cf751b";
+ blink::WebCryptoAlgorithm import_algorithm = CreateRsaHashedImportAlgorithm(
+ blink::WebCryptoAlgorithmIdRsaOaep, blink::WebCryptoAlgorithmIdSha1);
+ blink::WebCryptoKey public_key = blink::WebCryptoKey::createNull();
+ blink::WebCryptoKey private_key = blink::WebCryptoKey::createNull();
+
+ ASSERT_NO_FATAL_FAILURE(ImportRsaKeyPair(
+ HexStringToBytes(kPublicKey2048SpkiDerHex),
+ HexStringToBytes(kPrivateKey2048Pkcs8DerHex),
+ import_algorithm,
+ false,
+ blink::WebCryptoKeyUsageEncrypt | blink::WebCryptoKeyUsageDecrypt |
+ blink::WebCryptoKeyUsageWrapKey | blink::WebCryptoKeyUsageUnwrapKey,
+ &public_key,
+ &private_key));
+
+ std::vector<uint8> label;
+ blink::WebCryptoAlgorithm wrapping_algorithm = CreateRsaOaepAlgorithm(label);
+
+ const std::string key_hex = "000102030405060708090a0b0c0d0e0f";
+ const blink::WebCryptoAlgorithm key_algorithm =
+ webcrypto::CreateAlgorithm(blink::WebCryptoAlgorithmIdAesCbc);
+
+ blink::WebCryptoKey key =
+ ImportSecretKeyFromRaw(HexStringToBytes(key_hex),
+ key_algorithm,
+ blink::WebCryptoKeyUsageEncrypt);
+ ASSERT_FALSE(key.isNull());
+
+ std::vector<uint8> wrapped_key;
+ ASSERT_EQ(Status::Success(),
+ WrapKey(blink::WebCryptoKeyFormatJwk,
+ key,
+ public_key,
+ wrapping_algorithm,
+ &wrapped_key));
+
+ // Verify that |wrapped_key| can be decrypted and yields a valid JWK object.
+ // Because |private_key| supports both decrypt and unwrap, this is valid.
+ std::vector<uint8> decrypted_jwk;
+ ASSERT_EQ(Status::Success(),
+ Decrypt(wrapping_algorithm,
+ private_key,
+ CryptoData(wrapped_key),
+ &decrypted_jwk));
+ EXPECT_TRUE(VerifySecretJwk(
+ decrypted_jwk, "A128CBC", key_hex, blink::WebCryptoKeyUsageEncrypt));
+
+ // Now attempt to unwrap the key, which should also decrypt the data.
+ blink::WebCryptoKey unwrapped_key = blink::WebCryptoKey::createNull();
+ ASSERT_EQ(Status::Success(),
+ UnwrapKey(blink::WebCryptoKeyFormatJwk,
+ CryptoData(wrapped_key),
+ private_key,
+ wrapping_algorithm,
+ key_algorithm,
+ true,
+ blink::WebCryptoKeyUsageEncrypt,
+ &unwrapped_key));
+ ASSERT_FALSE(unwrapped_key.isNull());
+
+ std::vector<uint8> raw_key;
+ ASSERT_EQ(Status::Success(),
+ ExportKey(blink::WebCryptoKeyFormatRaw, unwrapped_key, &raw_key));
+ EXPECT_BYTES_EQ_HEX(key_hex, raw_key);
+}
+
} // namespace webcrypto
} // namespace content
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