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/WebCryptoAlgorithm.h" 35 #include "wtf/Assertions.h" 36 37 namespace blink { class WebCryptoAlgorithm; } 38 39 namespace WebCore { 40 41 class Dictionary; 42 class ExceptionState; 43 44 enum AlgorithmOperation { 45 Encrypt, 46 Decrypt, 47 Sign, 48 Verify, 49 Digest, 50 GenerateKey, 51 ImportKey, 52 DeriveKey, 53 WrapKey, 54 UnwrapKey, 55 // <---- End of list (keep this up-to-date) 56 LastAlgorithmOperation = UnwrapKey, 57 }; 58 59 // Normalizes an algorithm identifier (dictionary) into a WebCryptoAlgorithm. If 60 // normalization fails then returns false and sets the ExceptionState. 61 bool normalizeAlgorithm(const Dictionary&, AlgorithmOperation, blink::WebCryptoAlgorithm&, ExceptionState&) WARN_UNUSED_RETURN; 62 63 // Returns a null-terminated C-string literal. Caller can assume the pointer 64 // will be valid for the program's entire runtime. 65 const char* algorithmIdToName(blink::WebCryptoAlgorithmId); 66 67 } // namespace WebCore 68 69 #endif 70