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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 47 | 47 |
| 48 namespace { | 48 namespace { |
| 49 | 49 |
| 50 struct AlgorithmNameMapping { | 50 struct AlgorithmNameMapping { |
| 51 // Must be an upper case ASCII string. | 51 // Must be an upper case ASCII string. |
| 52 const char* const algorithmName; | 52 const char* const algorithmName; |
| 53 // Must be strlen(algorithmName). | 53 // Must be strlen(algorithmName). |
| 54 unsigned char algorithmNameLength; | 54 unsigned char algorithmNameLength; |
| 55 blink::WebCryptoAlgorithmId algorithmId; | 55 blink::WebCryptoAlgorithmId algorithmId; |
| 56 | 56 |
| 57 #if ASSERT_ENABLED | 57 #if ENABLE(ASSERT) |
| 58 bool operator<(const AlgorithmNameMapping&) const; | 58 bool operator<(const AlgorithmNameMapping&) const; |
| 59 #endif | 59 #endif |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 // Must be sorted by length, and then by reverse string. | 62 // Must be sorted by length, and then by reverse string. |
| 63 // Also all names must be upper case ASCII. | 63 // Also all names must be upper case ASCII. |
| 64 const AlgorithmNameMapping algorithmNameMappings[] = { | 64 const AlgorithmNameMapping algorithmNameMappings[] = { |
| 65 {"HMAC", 4, blink::WebCryptoAlgorithmIdHmac}, | 65 {"HMAC", 4, blink::WebCryptoAlgorithmIdHmac}, |
| 66 {"SHA-1", 5, blink::WebCryptoAlgorithmIdSha1}, | 66 {"SHA-1", 5, blink::WebCryptoAlgorithmIdSha1}, |
| 67 {"AES-KW", 6, blink::WebCryptoAlgorithmIdAesKw}, | 67 {"AES-KW", 6, blink::WebCryptoAlgorithmIdAesKw}, |
| 68 {"SHA-512", 7, blink::WebCryptoAlgorithmIdSha512}, | 68 {"SHA-512", 7, blink::WebCryptoAlgorithmIdSha512}, |
| 69 {"SHA-384", 7, blink::WebCryptoAlgorithmIdSha384}, | 69 {"SHA-384", 7, blink::WebCryptoAlgorithmIdSha384}, |
| 70 {"SHA-256", 7, blink::WebCryptoAlgorithmIdSha256}, | 70 {"SHA-256", 7, blink::WebCryptoAlgorithmIdSha256}, |
| 71 {"AES-CBC", 7, blink::WebCryptoAlgorithmIdAesCbc}, | 71 {"AES-CBC", 7, blink::WebCryptoAlgorithmIdAesCbc}, |
| 72 {"AES-GCM", 7, blink::WebCryptoAlgorithmIdAesGcm}, | 72 {"AES-GCM", 7, blink::WebCryptoAlgorithmIdAesGcm}, |
| 73 {"AES-CTR", 7, blink::WebCryptoAlgorithmIdAesCtr}, | 73 {"AES-CTR", 7, blink::WebCryptoAlgorithmIdAesCtr}, |
| 74 {"RSA-OAEP", 8, blink::WebCryptoAlgorithmIdRsaOaep}, | 74 {"RSA-OAEP", 8, blink::WebCryptoAlgorithmIdRsaOaep}, |
| 75 {"RSASSA-PKCS1-V1_5", 17, blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5}, | 75 {"RSASSA-PKCS1-V1_5", 17, blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5}, |
| 76 }; | 76 }; |
| 77 | 77 |
| 78 #if ASSERT_ENABLED | 78 #if ENABLE(ASSERT) |
| 79 | 79 |
| 80 // Essentially std::is_sorted() (however that function is new to C++11). | 80 // Essentially std::is_sorted() (however that function is new to C++11). |
| 81 template <typename Iterator> | 81 template <typename Iterator> |
| 82 bool isSorted(Iterator begin, Iterator end) | 82 bool isSorted(Iterator begin, Iterator end) |
| 83 { | 83 { |
| 84 if (begin == end) | 84 if (begin == end) |
| 85 return true; | 85 return true; |
| 86 | 86 |
| 87 Iterator prev = begin; | 87 Iterator prev = begin; |
| 88 Iterator cur = begin + 1; | 88 Iterator cur = begin + 1; |
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| 720 } | 720 } |
| 721 | 721 |
| 722 } // namespace | 722 } // namespace |
| 723 | 723 |
| 724 bool normalizeAlgorithm(const Dictionary& raw, blink::WebCryptoOperation op, bli
nk::WebCryptoAlgorithm& algorithm, AlgorithmError* error) | 724 bool normalizeAlgorithm(const Dictionary& raw, blink::WebCryptoOperation op, bli
nk::WebCryptoAlgorithm& algorithm, AlgorithmError* error) |
| 725 { | 725 { |
| 726 return parseAlgorithm(raw, op, algorithm, ErrorContext(), error); | 726 return parseAlgorithm(raw, op, algorithm, ErrorContext(), error); |
| 727 } | 727 } |
| 728 | 728 |
| 729 } // namespace WebCore | 729 } // namespace WebCore |
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