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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/child/webcrypto/shared_crypto.h" | 5 #include "content/child/webcrypto/shared_crypto.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "content/child/webcrypto/crypto_data.h" | 8 #include "content/child/webcrypto/crypto_data.h" |
9 #include "content/child/webcrypto/platform_crypto.h" | 9 #include "content/child/webcrypto/platform_crypto.h" |
10 #include "content/child/webcrypto/webcrypto_util.h" | 10 #include "content/child/webcrypto/webcrypto_util.h" |
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308 case blink::WebCryptoAlgorithmIdAesKw: { | 308 case blink::WebCryptoAlgorithmIdAesKw: { |
309 if (!IsValidAesKeyLengthBits(algorithm.aesKeyGenParams()->lengthBits())) | 309 if (!IsValidAesKeyLengthBits(algorithm.aesKeyGenParams()->lengthBits())) |
310 return Status::ErrorGenerateKeyLength(); | 310 return Status::ErrorGenerateKeyLength(); |
311 keylen_bytes = algorithm.aesKeyGenParams()->lengthBits() / 8; | 311 keylen_bytes = algorithm.aesKeyGenParams()->lengthBits() / 8; |
312 break; | 312 break; |
313 } | 313 } |
314 case blink::WebCryptoAlgorithmIdHmac: { | 314 case blink::WebCryptoAlgorithmIdHmac: { |
315 const blink::WebCryptoHmacKeyGenParams* params = | 315 const blink::WebCryptoHmacKeyGenParams* params = |
316 algorithm.hmacKeyGenParams(); | 316 algorithm.hmacKeyGenParams(); |
317 DCHECK(params); | 317 DCHECK(params); |
318 #if defined(WEBCRYPTO_HMAC_BITS) | |
319 if (params->hasLengthBits()) { | 318 if (params->hasLengthBits()) { |
320 if (params->optionalLengthBits() % 8) | 319 if (params->optionalLengthBits() % 8) |
321 return Status::ErrorGenerateKeyLength(); | 320 return Status::ErrorGenerateKeyLength(); |
322 keylen_bytes = params->optionalLengthBits() / 8; | 321 keylen_bytes = params->optionalLengthBits() / 8; |
323 #else | |
324 if (params->hasLengthBytes()) { | |
325 keylen_bytes = params->optionalLengthBytes(); | |
326 #endif | |
327 } else { | 322 } else { |
328 keylen_bytes = ShaBlockSizeBytes(params->hash().id()); | 323 keylen_bytes = ShaBlockSizeBytes(params->hash().id()); |
329 if (keylen_bytes == 0) | 324 if (keylen_bytes == 0) |
330 return Status::ErrorUnsupported(); | 325 return Status::ErrorUnsupported(); |
331 } | 326 } |
332 break; | 327 break; |
333 } | 328 } |
334 | 329 |
335 default: | 330 default: |
336 return Status::ErrorUnsupported(); | 331 return Status::ErrorUnsupported(); |
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566 key); | 561 key); |
567 } | 562 } |
568 default: | 563 default: |
569 return Status::ErrorUnsupported(); | 564 return Status::ErrorUnsupported(); |
570 } | 565 } |
571 } | 566 } |
572 | 567 |
573 } // namespace webcrypto | 568 } // namespace webcrypto |
574 | 569 |
575 } // namespace content | 570 } // namespace content |
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