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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/webcrypto_util.h" | 5 #include "content/child/webcrypto/webcrypto_util.h" |
6 | 6 |
7 #include "base/base64.h" | 7 #include "base/base64.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/strings/stringprintf.h" | 9 #include "base/strings/stringprintf.h" |
10 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" | 10 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" |
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377 } | 377 } |
378 | 378 |
379 bool CreateSecretKeyAlgorithm(const blink::WebCryptoAlgorithm& algorithm, | 379 bool CreateSecretKeyAlgorithm(const blink::WebCryptoAlgorithm& algorithm, |
380 unsigned int keylen_bytes, | 380 unsigned int keylen_bytes, |
381 blink::WebCryptoKeyAlgorithm* key_algorithm) { | 381 blink::WebCryptoKeyAlgorithm* key_algorithm) { |
382 switch (algorithm.id()) { | 382 switch (algorithm.id()) { |
383 case blink::WebCryptoAlgorithmIdHmac: { | 383 case blink::WebCryptoAlgorithmIdHmac: { |
384 blink::WebCryptoAlgorithm hash = GetInnerHashAlgorithm(algorithm); | 384 blink::WebCryptoAlgorithm hash = GetInnerHashAlgorithm(algorithm); |
385 if (hash.isNull()) | 385 if (hash.isNull()) |
386 return false; | 386 return false; |
387 #if defined(WEBCRYPTO_HMAC_KEY_HAS_LENGTH) | |
388 if (keylen_bytes > UINT_MAX / 8) | 387 if (keylen_bytes > UINT_MAX / 8) |
389 return false; | 388 return false; |
390 #endif | |
391 *key_algorithm = blink::WebCryptoKeyAlgorithm::adoptParamsAndCreate( | 389 *key_algorithm = blink::WebCryptoKeyAlgorithm::adoptParamsAndCreate( |
392 algorithm.id(), | 390 algorithm.id(), |
393 #if defined(WEBCRYPTO_HMAC_KEY_HAS_LENGTH) | |
394 new blink::WebCryptoHmacKeyAlgorithmParams(hash, keylen_bytes * 8)); | 391 new blink::WebCryptoHmacKeyAlgorithmParams(hash, keylen_bytes * 8)); |
395 #else | |
396 new blink::WebCryptoHmacKeyAlgorithmParams(hash)); | |
397 #endif | |
398 return true; | 392 return true; |
399 } | 393 } |
400 case blink::WebCryptoAlgorithmIdAesKw: | 394 case blink::WebCryptoAlgorithmIdAesKw: |
401 case blink::WebCryptoAlgorithmIdAesCbc: | 395 case blink::WebCryptoAlgorithmIdAesCbc: |
402 case blink::WebCryptoAlgorithmIdAesCtr: | 396 case blink::WebCryptoAlgorithmIdAesCtr: |
403 case blink::WebCryptoAlgorithmIdAesGcm: | 397 case blink::WebCryptoAlgorithmIdAesGcm: |
404 *key_algorithm = blink::WebCryptoKeyAlgorithm::adoptParamsAndCreate( | 398 *key_algorithm = blink::WebCryptoKeyAlgorithm::adoptParamsAndCreate( |
405 algorithm.id(), | 399 algorithm.id(), |
406 new blink::WebCryptoAesKeyAlgorithmParams(keylen_bytes * 8)); | 400 new blink::WebCryptoAesKeyAlgorithmParams(keylen_bytes * 8)); |
407 return true; | 401 return true; |
408 default: | 402 default: |
409 return false; | 403 return false; |
410 } | 404 } |
411 } | 405 } |
412 | 406 |
413 } // namespace webcrypto | 407 } // namespace webcrypto |
414 | 408 |
415 } // namespace content | 409 } // namespace content |
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