1 /* 2 * Copyright (C) 2013 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 #ifndef NormalizeAlgorithm_h 32 #define NormalizeAlgorithm_h 33 34 #include "public/platform/WebCrypto.h" 35 #include "public/platform/WebCryptoAlgorithm.h" 36 #include "public/platform/WebString.h" 37 #include "wtf/Assertions.h" 38 #include "wtf/Forward.h" 39 40 namespace blink { 41 42 class Dictionary; 43 44 struct AlgorithmError { 45 WebCryptoErrorType errorType; 46 WebString errorDetails; 47 }; 48 49 // Converts a javascript Dictionary to a WebCryptoAlgorithm object. 50 // 51 // This corresponds with "normalizing" [1] the algorithm, and then validating 52 // the expected parameters for the algorithm/operation combination. 53 // 54 // On success returns true and sets the WebCryptoAlgorithm. 55 // 56 // On failure normalizeAlgorithm returns false and sets the AlgorithmError with 57 // a error type and a (non-localized) debug string. 58 // 59 // [1] http://www.w3.org/TR/WebCryptoAPI/#algorithm-normalizing-rules 60 bool normalizeAlgorithm(const Dictionary&, WebCryptoOperation, WebCryptoAlgorithm&, AlgorithmError*) WARN_UNUSED_RETURN; 61 62 } // namespace blink 63 64 #endif 65