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| 1 /* |
| 2 * Copyright (C) 2014 Google Inc. All rights reserved. |
| 3 * |
| 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are |
| 6 * met: |
| 7 * |
| 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above |
| 11 * copyright notice, this list of conditions and the following disclaimer |
| 12 * in the documentation and/or other materials provided with the |
| 13 * distribution. |
| 14 * * Neither the name of Google Inc. nor the names of its |
| 15 * contributors may be used to endorse or promote products derived from |
| 16 * this software without specific prior written permission. |
| 17 * |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ |
| 30 |
| 31 #include "config.h" |
| 32 #include "modules/crypto/KeyAlgorithm.h" |
| 33 |
| 34 #include "modules/crypto/AesKeyAlgorithm.h" |
| 35 #include "modules/crypto/HmacKeyAlgorithm.h" |
| 36 #include "modules/crypto/NormalizeAlgorithm.h" |
| 37 #include "modules/crypto/RsaHashedKeyAlgorithm.h" |
| 38 #include "modules/crypto/RsaKeyAlgorithm.h" |
| 39 #include "wtf/text/WTFString.h" |
| 40 |
| 41 namespace WebCore { |
| 42 |
| 43 KeyAlgorithm::~KeyAlgorithm() |
| 44 { |
| 45 } |
| 46 |
| 47 PassRefPtrWillBeRawPtr<KeyAlgorithm> KeyAlgorithm::create(const blink::WebCrypto
KeyAlgorithm& algorithm) |
| 48 { |
| 49 switch (algorithm.paramsType()) { |
| 50 case blink::WebCryptoKeyAlgorithmParamsTypeNone: |
| 51 return adoptRefWillBeNoop(new KeyAlgorithm(algorithm)); |
| 52 case blink::WebCryptoKeyAlgorithmParamsTypeAes: |
| 53 return AesKeyAlgorithm::create(algorithm); |
| 54 case blink::WebCryptoKeyAlgorithmParamsTypeHmac: |
| 55 return HmacKeyAlgorithm::create(algorithm); |
| 56 case blink::WebCryptoKeyAlgorithmParamsTypeRsa: |
| 57 return RsaKeyAlgorithm::create(algorithm); |
| 58 case blink::WebCryptoKeyAlgorithmParamsTypeRsaHashed: |
| 59 return RsaHashedKeyAlgorithm::create(algorithm); |
| 60 } |
| 61 ASSERT_NOT_REACHED(); |
| 62 return nullptr; |
| 63 } |
| 64 |
| 65 PassRefPtrWillBeRawPtr<KeyAlgorithm> KeyAlgorithm::createHash(const blink::WebCr
yptoAlgorithm& hash) |
| 66 { |
| 67 // Assume that none of the hash algorithms have any parameters. |
| 68 ASSERT(hash.paramsType() == blink::WebCryptoAlgorithmParamsTypeNone); |
| 69 return adoptRefWillBeNoop(new KeyAlgorithm(blink::WebCryptoKeyAlgorithm(hash
.id(), nullptr))); |
| 70 } |
| 71 |
| 72 KeyAlgorithm::KeyAlgorithm(const blink::WebCryptoKeyAlgorithm& algorithm) |
| 73 : m_algorithm(algorithm) |
| 74 { |
| 75 ScriptWrappable::init(this); |
| 76 } |
| 77 |
| 78 String KeyAlgorithm::name() |
| 79 { |
| 80 return algorithmIdToName(m_algorithm.id()); |
| 81 } |
| 82 |
| 83 bool KeyAlgorithm::isAesKeyAlgorithm() const |
| 84 { |
| 85 return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeAes
; |
| 86 } |
| 87 |
| 88 bool KeyAlgorithm::isHmacKeyAlgorithm() const |
| 89 { |
| 90 return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeHma
c; |
| 91 } |
| 92 |
| 93 bool KeyAlgorithm::isRsaHashedKeyAlgorithm() const |
| 94 { |
| 95 return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeRsa
Hashed; |
| 96 } |
| 97 |
| 98 bool KeyAlgorithm::isRsaKeyAlgorithm() const |
| 99 { |
| 100 return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeRsa
; |
| 101 } |
| 102 |
| 103 void KeyAlgorithm::trace(Visitor*) |
| 104 { |
| 105 } |
| 106 |
| 107 } // namespace WebCore |
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