| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef WebCryptoAlgorithmParams_h |
| #define WebCryptoAlgorithmParams_h |
| |
| #include "WebCommon.h" |
| #include "WebCryptoAlgorithm.h" |
| #include "WebVector.h" |
| |
| namespace WebKit { |
| |
| // NOTE: For documentation on the meaning of each of the parameters see the |
| // Web crypto spec: |
| // |
| // http://www.w3.org/TR/WebCryptoAPI |
| // |
| // The parameters in the spec have the same name, minus the "WebCrypto" prefix. |
| |
| class WebCryptoAlgorithmParams { |
| public: |
| explicit WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsType type) |
| : m_type(type) |
| { |
| } |
| |
| virtual ~WebCryptoAlgorithmParams() { } |
| |
| WebCryptoAlgorithmParamsType type() const { return m_type; } |
| |
| private: |
| WebCryptoAlgorithmParamsType m_type; |
| }; |
| |
| class WebCryptoAesCbcParams : public WebCryptoAlgorithmParams { |
| public: |
| WebCryptoAesCbcParams(const unsigned char* iv, unsigned ivSize) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeAesCbcParams) |
| , m_iv(iv, ivSize) |
| { |
| } |
| |
| const WebVector<unsigned char>& iv() const { return m_iv; } |
| |
| private: |
| const WebVector<unsigned char> m_iv; |
| }; |
| |
| class WebCryptoAesKeyGenParams : public WebCryptoAlgorithmParams { |
| public: |
| explicit WebCryptoAesKeyGenParams(unsigned short length) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeAesKeyGenParams) |
| , m_length(length) |
| { |
| } |
| |
| unsigned short length() const { return m_length; } |
| |
| private: |
| const unsigned short m_length; |
| }; |
| |
| class WebCryptoHmacParams : public WebCryptoAlgorithmParams { |
| public: |
| explicit WebCryptoHmacParams(const WebCryptoAlgorithm& hash) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeHmacParams) |
| , m_hash(hash) |
| { |
| } |
| |
| const WebCryptoAlgorithm& hash() const { return m_hash; } |
| |
| private: |
| WebCryptoAlgorithm m_hash; |
| }; |
| |
| class WebCryptoHmacKeyParams : public WebCryptoAlgorithmParams { |
| public: |
| WebCryptoHmacKeyParams(const WebCryptoAlgorithm& hash, bool hasLength, unsigned length) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeHmacKeyParams) |
| , m_hash(hash) |
| , m_hasLength(hasLength) |
| , m_length(length) |
| { |
| } |
| |
| const WebCryptoAlgorithm& hash() const { return m_hash; } |
| |
| bool hasLength() const { return m_hasLength; } |
| |
| bool getLength(unsigned& length) const |
| { |
| if (!m_hasLength) |
| return false; |
| length = m_length; |
| return true; |
| } |
| |
| private: |
| WebCryptoAlgorithm m_hash; |
| bool m_hasLength; |
| unsigned m_length; |
| }; |
| |
| class WebCryptoRsaSsaParams : public WebCryptoAlgorithmParams { |
| public: |
| explicit WebCryptoRsaSsaParams(const WebCryptoAlgorithm& hash) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeRsaSsaParams) |
| , m_hash(hash) |
| { |
| } |
| |
| const WebCryptoAlgorithm& hash() const { return m_hash; } |
| |
| private: |
| WebCryptoAlgorithm m_hash; |
| }; |
| |
| class WebCryptoRsaKeyGenParams : public WebCryptoAlgorithmParams { |
| public: |
| WebCryptoRsaKeyGenParams(unsigned modulusLength, const unsigned char* publicExponent, unsigned publicExponentSize) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeRsaKeyGenParams) |
| , m_modulusLength(modulusLength) |
| , m_publicExponent(publicExponent, publicExponentSize) |
| { |
| } |
| |
| unsigned modulusLength() const { return m_modulusLength; } |
| const WebVector<unsigned char>& publicExponent() const { return m_publicExponent; } |
| |
| private: |
| const unsigned m_modulusLength; |
| const WebVector<unsigned char> m_publicExponent; |
| }; |
| |
| class WebCryptoAesGcmParams : public WebCryptoAlgorithmParams { |
| public: |
| WebCryptoAesGcmParams(const unsigned char* iv, unsigned ivSize, bool hasAdditionalData, const unsigned char* additionalData, unsigned additionalDataSize, bool hasTagLength, unsigned char tagLength) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeAesGcmParams) |
| , m_iv(iv, ivSize) |
| , m_hasAdditionalData(hasAdditionalData) |
| , m_additionalData(additionalData, additionalDataSize) |
| , m_hasTagLength(hasTagLength) |
| , m_tagLength(tagLength) |
| { |
| } |
| |
| const WebVector<unsigned char>& iv() const { return m_iv; } |
| |
| bool hasAdditionalData() const { return m_hasAdditionalData; } |
| bool getAdditionalData(const WebVector<unsigned char>*& additionalData) |
| { |
| if (!m_hasAdditionalData) |
| return false; |
| additionalData = &m_additionalData; |
| return true; |
| } |
| |
| bool hasTagLength() const { return m_hasTagLength; } |
| bool getTagLength(unsigned& tagLength) |
| { |
| if (!m_hasTagLength) |
| return false; |
| tagLength = m_tagLength; |
| return true; |
| } |
| |
| private: |
| const WebVector<unsigned char> m_iv; |
| const bool m_hasAdditionalData; |
| const WebVector<unsigned char> m_additionalData; |
| const bool m_hasTagLength; |
| const unsigned char m_tagLength; |
| }; |
| |
| class WebCryptoRsaOaepParams : public WebCryptoAlgorithmParams { |
| public: |
| WebCryptoRsaOaepParams(const WebCryptoAlgorithm& hash, bool hasLabel, const unsigned char* label, unsigned labelSize) |
| : WebCryptoAlgorithmParams(WebCryptoAlgorithmParamsTypeRsaOaepParams) |
| , m_hash(hash) |
| , m_hasLabel(hasLabel) |
| , m_label(label, labelSize) |
| { |
| } |
| |
| const WebCryptoAlgorithm& hash() const { return m_hash; } |
| |
| bool hasLabel() const { return m_hasLabel; } |
| bool getLabel(const WebVector<unsigned char>*& label) |
| { |
| if (!m_hasLabel) |
| return false; |
| label = &m_label; |
| return true; |
| } |
| |
| private: |
| const WebCryptoAlgorithm m_hash; |
| const bool m_hasLabel; |
| const WebVector<unsigned char> m_label; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif |