| /* |
| * Copyright (C) 2014 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 WebCryptoKeyAlgorithm_h |
| #define WebCryptoKeyAlgorithm_h |
| |
| #include "WebCommon.h" |
| #include "WebCryptoAlgorithm.h" |
| #include "WebCryptoKeyAlgorithmParams.h" |
| #include "WebPrivatePtr.h" |
| |
| #if INSIDE_BLINK |
| #include "wtf/PassOwnPtr.h" |
| #endif |
| |
| namespace blink { |
| |
| class WebCryptoKeyAlgorithmPrivate; |
| |
| // WebCryptoKeyAlgorithm represents the algorithm used to generate a key. |
| // * Immutable |
| // * Threadsafe |
| // * Copiable (cheaply) |
| class WebCryptoKeyAlgorithm { |
| public: |
| WebCryptoKeyAlgorithm() { } |
| |
| #if INSIDE_BLINK |
| BLINK_PLATFORM_EXPORT WebCryptoKeyAlgorithm(WebCryptoAlgorithmId, PassOwnPtr<WebCryptoKeyAlgorithmParams>); |
| #endif |
| |
| // FIXME: Delete this in favor of the create*() functions. |
| BLINK_PLATFORM_EXPORT static WebCryptoKeyAlgorithm adoptParamsAndCreate(WebCryptoAlgorithmId, WebCryptoKeyAlgorithmParams*); |
| |
| BLINK_PLATFORM_EXPORT static WebCryptoKeyAlgorithm createAes(WebCryptoAlgorithmId, unsigned short keyLengthBits); |
| BLINK_PLATFORM_EXPORT static WebCryptoKeyAlgorithm createHmac(WebCryptoAlgorithmId hash, unsigned keyLengthBits); |
| BLINK_PLATFORM_EXPORT static WebCryptoKeyAlgorithm createRsaHashed(WebCryptoAlgorithmId, unsigned modulusLengthBits, const unsigned char* publicExponent, unsigned publicExponentSize, WebCryptoAlgorithmId hash); |
| BLINK_PLATFORM_EXPORT static WebCryptoKeyAlgorithm createEc(WebCryptoAlgorithmId, WebCryptoNamedCurve); |
| BLINK_PLATFORM_EXPORT static WebCryptoKeyAlgorithm createWithoutParams(WebCryptoAlgorithmId); |
| |
| ~WebCryptoKeyAlgorithm() { reset(); } |
| |
| WebCryptoKeyAlgorithm(const WebCryptoKeyAlgorithm& other) { assign(other); } |
| WebCryptoKeyAlgorithm& operator=(const WebCryptoKeyAlgorithm& other) |
| { |
| assign(other); |
| return *this; |
| } |
| |
| BLINK_PLATFORM_EXPORT bool isNull() const; |
| |
| BLINK_PLATFORM_EXPORT WebCryptoAlgorithmId id() const; |
| |
| BLINK_PLATFORM_EXPORT WebCryptoKeyAlgorithmParamsType paramsType() const; |
| |
| // Returns the type-specific parameters for this key. If the requested |
| // parameters are not applicable (for instance an HMAC key does not have |
| // any AES parameters) then returns 0. |
| BLINK_PLATFORM_EXPORT WebCryptoAesKeyAlgorithmParams* aesParams() const; |
| BLINK_PLATFORM_EXPORT WebCryptoHmacKeyAlgorithmParams* hmacParams() const; |
| BLINK_PLATFORM_EXPORT WebCryptoRsaHashedKeyAlgorithmParams* rsaHashedParams() const; |
| BLINK_PLATFORM_EXPORT WebCryptoEcKeyAlgorithmParams* ecParams() const; |
| |
| // Write the algorithm parameters to a dictionary. |
| BLINK_PLATFORM_EXPORT void writeToDictionary(WebCryptoKeyAlgorithmDictionary*) const; |
| |
| private: |
| BLINK_PLATFORM_EXPORT void assign(const WebCryptoKeyAlgorithm& other); |
| BLINK_PLATFORM_EXPORT void reset(); |
| |
| WebPrivatePtr<WebCryptoKeyAlgorithmPrivate> m_private; |
| }; |
| |
| } // namespace blink |
| |
| #endif |