| /* |
| * Copyright (C) 2017 Metrological Group B.V. |
| * Copyright (C) 2017 Igalia S.L. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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. |
| */ |
| |
| #pragma once |
| |
| #include <gcrypt.h> |
| #include <wtf/Assertions.h> |
| #include <wtf/Optional.h> |
| |
| namespace PAL { |
| namespace GCrypt { |
| |
| // Copied from gcrypt.h. This macro is new in version 1.7.0, which we do not |
| // want to require yet. Remove this in summer 2019. |
| #ifndef gcry_cipher_final |
| #define gcry_cipher_final(a) \ |
| gcry_cipher_ctl ((a), GCRYCTL_FINALIZE, NULL, 0) |
| #endif |
| |
| using CipherOperation = gcry_error_t(gcry_cipher_hd_t, void*, size_t, const void*, size_t); |
| |
| static inline void logError(gcry_error_t error) |
| { |
| // FIXME: Use a WebCrypto WTF log channel here once those are moved down to PAL. |
| #if !LOG_DISABLED |
| WTFLogAlways("libgcrypt error: source '%s', description '%s'", |
| gcry_strsource(error), gcry_strerror(error)); |
| #else |
| UNUSED_PARAM(error); |
| #endif |
| } |
| |
| static inline Optional<int> aesAlgorithmForKeySize(size_t keySize) |
| { |
| switch (keySize) { |
| case 128: |
| return GCRY_CIPHER_AES128; |
| case 192: |
| return GCRY_CIPHER_AES192; |
| case 256: |
| return GCRY_CIPHER_AES256; |
| default: |
| return WTF::nullopt; |
| } |
| } |
| |
| } // namespace GCrypt |
| } // namespace PAL |