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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/renderer/webcrypto/platform_crypto.h" | 5 #include "content/renderer/webcrypto/platform_crypto.h" |
| 6 | 6 |
| 7 #include <vector> | 7 #include <vector> |
| 8 #include <openssl/aes.h> | 8 #include <openssl/aes.h> |
| 9 #include <openssl/evp.h> | 9 #include <openssl/evp.h> |
| 10 #include <openssl/hmac.h> | 10 #include <openssl/hmac.h> |
| 11 #include <openssl/rand.h> | 11 #include <openssl/rand.h> |
| 12 #include <openssl/sha.h> | 12 #include <openssl/sha.h> |
| 13 | 13 |
| 14 #include "base/logging.h" | 14 #include "base/logging.h" |
| 15 #include "content/renderer/webcrypto/crypto_data.h" | 15 #include "content/renderer/webcrypto/crypto_data.h" |
| 16 #include "content/renderer/webcrypto/webcrypto_util.h" | 16 #include "content/renderer/webcrypto/webcrypto_util.h" |
| 17 #include "crypto/openssl_util.h" | 17 #include "crypto/openssl_util.h" |
| 18 #include "third_party/WebKit/public/platform/WebArrayBuffer.h" | 18 #include "third_party/WebKit/public/platform/WebArrayBuffer.h" |
| 19 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" | 19 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" |
| 20 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" | 20 #include "third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h" |
| 21 #ifdef WEBCRYPTO_HAS_KEY_ALGORITHM | |
| 22 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" | 21 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" |
| 23 #endif | |
| 24 | 22 |
| 25 namespace content { | 23 namespace content { |
| 26 | 24 |
| 27 namespace webcrypto { | 25 namespace webcrypto { |
| 28 | 26 |
| 29 namespace platform { | 27 namespace platform { |
| 30 | 28 |
| 31 class SymKey : public Key { | 29 class SymKey : public Key { |
| 32 public: | 30 public: |
| 33 explicit SymKey(const CryptoData& key_data) | 31 explicit SymKey(const CryptoData& key_data) |
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| 217 // TODO(eroman): Is this right? | 215 // TODO(eroman): Is this right? |
| 218 if (keylen_bytes == 0) | 216 if (keylen_bytes == 0) |
| 219 return Status::ErrorGenerateKeyLength(); | 217 return Status::ErrorGenerateKeyLength(); |
| 220 | 218 |
| 221 crypto::OpenSSLErrStackTracer(FROM_HERE); | 219 crypto::OpenSSLErrStackTracer(FROM_HERE); |
| 222 | 220 |
| 223 std::vector<unsigned char> random_bytes(keylen_bytes, 0); | 221 std::vector<unsigned char> random_bytes(keylen_bytes, 0); |
| 224 if (!(RAND_bytes(&random_bytes[0], keylen_bytes))) | 222 if (!(RAND_bytes(&random_bytes[0], keylen_bytes))) |
| 225 return Status::Error(); | 223 return Status::Error(); |
| 226 | 224 |
| 227 #ifdef WEBCRYPTO_HAS_KEY_ALGORITHM | |
| 228 blink::WebCryptoKeyAlgorithm key_algorithm; | 225 blink::WebCryptoKeyAlgorithm key_algorithm; |
| 229 if (!CreateSecretKeyAlgorithm(algorithm, keylen_bytes, &key_algorithm)) | 226 if (!CreateSecretKeyAlgorithm(algorithm, keylen_bytes, &key_algorithm)) |
| 230 return Status::ErrorUnexpected(); | 227 return Status::ErrorUnexpected(); |
| 231 #else | |
| 232 const blink::WebCryptoAlgorithm key_algorithm = algorithm; | |
| 233 #endif | |
| 234 | 228 |
| 235 *key = blink::WebCryptoKey::create(new SymKey(CryptoData(random_bytes)), | 229 *key = blink::WebCryptoKey::create(new SymKey(CryptoData(random_bytes)), |
| 236 blink::WebCryptoKeyTypeSecret, | 230 blink::WebCryptoKeyTypeSecret, |
| 237 extractable, | 231 extractable, |
| 238 key_algorithm, | 232 key_algorithm, |
| 239 usage_mask); | 233 usage_mask); |
| 240 | 234 |
| 241 return Status::Success(); | 235 return Status::Success(); |
| 242 } | 236 } |
| 243 | 237 |
| 244 Status GenerateRsaKeyPair(const blink::WebCryptoAlgorithm& algorithm, | 238 Status GenerateRsaKeyPair(const blink::WebCryptoAlgorithm& algorithm, |
| 245 bool extractable, | 239 bool extractable, |
| 246 blink::WebCryptoKeyUsageMask usage_mask, | 240 blink::WebCryptoKeyUsageMask usage_mask, |
| 247 unsigned int modulus_length_bits, | 241 unsigned int modulus_length_bits, |
| 248 const CryptoData& public_exponent, | 242 const CryptoData& public_exponent, |
| 249 const blink::WebCryptoAlgorithm& hash, | 243 const blink::WebCryptoAlgorithm& hash, |
| 250 blink::WebCryptoKey* public_key, | 244 blink::WebCryptoKey* public_key, |
| 251 blink::WebCryptoKey* private_key) { | 245 blink::WebCryptoKey* private_key) { |
| 252 // TODO(padolph): Placeholder for OpenSSL implementation. | 246 // TODO(padolph): Placeholder for OpenSSL implementation. |
| 253 // Issue http://crbug.com/267888. | 247 // Issue http://crbug.com/267888. |
| 254 return Status::ErrorUnsupported(); | 248 return Status::ErrorUnsupported(); |
| 255 } | 249 } |
| 256 | 250 |
| 257 Status ImportKeyRaw(const blink::WebCryptoAlgorithm& algorithm, | 251 Status ImportKeyRaw(const blink::WebCryptoAlgorithm& algorithm, |
| 258 const CryptoData& key_data, | 252 const CryptoData& key_data, |
| 259 bool extractable, | 253 bool extractable, |
| 260 blink::WebCryptoKeyUsageMask usage_mask, | 254 blink::WebCryptoKeyUsageMask usage_mask, |
| 261 blink::WebCryptoKey* key) { | 255 blink::WebCryptoKey* key) { |
| 262 | 256 |
| 263 #ifdef WEBCRYPTO_HAS_KEY_ALGORITHM | |
| 264 blink::WebCryptoKeyAlgorithm key_algorithm; | 257 blink::WebCryptoKeyAlgorithm key_algorithm; |
| 265 if (!CreateSecretKeyAlgorithm( | 258 if (!CreateSecretKeyAlgorithm( |
| 266 algorithm, key_data.byte_length(), &key_algorithm)) | 259 algorithm, key_data.byte_length(), &key_algorithm)) |
| 267 return Status::ErrorUnexpected(); | 260 return Status::ErrorUnexpected(); |
| 268 #else | |
| 269 const blink::WebCryptoAlgorithm key_algorithm = algorithm; | |
| 270 #endif | |
| 271 | 261 |
| 272 *key = blink::WebCryptoKey::create(new SymKey(key_data), | 262 *key = blink::WebCryptoKey::create(new SymKey(key_data), |
| 273 blink::WebCryptoKeyTypeSecret, | 263 blink::WebCryptoKeyTypeSecret, |
| 274 extractable, | 264 extractable, |
| 275 key_algorithm, | 265 key_algorithm, |
| 276 usage_mask); | 266 usage_mask); |
| 277 | 267 |
| 278 return Status::Success(); | 268 return Status::Success(); |
| 279 } | 269 } |
| 280 | 270 |
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| 396 Status ExportKeySpki(PublicKey* key, blink::WebArrayBuffer* buffer) { | 386 Status ExportKeySpki(PublicKey* key, blink::WebArrayBuffer* buffer) { |
| 397 // TODO(eroman): http://crbug.com/267888 | 387 // TODO(eroman): http://crbug.com/267888 |
| 398 return Status::ErrorUnsupported(); | 388 return Status::ErrorUnsupported(); |
| 399 } | 389 } |
| 400 | 390 |
| 401 } // namespace platform | 391 } // namespace platform |
| 402 | 392 |
| 403 } // namespace webcrypto | 393 } // namespace webcrypto |
| 404 | 394 |
| 405 } // namespace content | 395 } // namespace content |
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