1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_CHILD_WEBCRYPTO_OPENSSL_UTIL_OPENSSL_H_ 6 #define CONTENT_CHILD_WEBCRYPTO_OPENSSL_UTIL_OPENSSL_H_ 7 8 #include <vector> 9 10 #include <openssl/ossl_typ.h> 11 12 #include "third_party/WebKit/public/platform/WebCryptoAlgorithm.h" 13 #include "third_party/WebKit/public/platform/WebCryptoKey.h" 14 15 namespace content { 16 17 namespace webcrypto { 18 19 class CryptoData; 20 class Status; 21 22 // The values of these constants correspond with the "enc" parameter of 23 // EVP_CipherInit_ex(), do not change. 24 enum EncryptOrDecrypt { DECRYPT=0, ENCRYPT=1 }; 25 26 const EVP_MD* GetDigest(blink::WebCryptoAlgorithmId id); 27 28 // Does either encryption or decryption for an AEAD algorithm. 29 // * |mode| controls whether encryption or decryption is done 30 // * |aead_alg| the algorithm (for instance AES-GCM) 31 // * |buffer| where the ciphertext or plaintext is written to. 32 Status AeadEncryptDecrypt(EncryptOrDecrypt mode, 33 const std::vector<uint8_t>& raw_key, 34 const CryptoData& data, 35 unsigned int tag_length_bytes, 36 const CryptoData& iv, 37 const CryptoData& additional_data, 38 const EVP_AEAD* aead_alg, 39 std::vector<uint8_t>* buffer); 40 41 } // namespace webcrypto 42 43 } // namespace content 44 45 #endif // CONTENT_CHILD_WEBCRYPTO_OPENSSL_UTIL_OPENSSL_H_ 46
