/* * Copyright (c) 2005-2011 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ // // Fast hasing support // #include "hashing.h" #include "unix++.h" namespace Security { // // Basic DynamicHash infrastructure // DynamicHash::~DynamicHash() { // virtual } // // CommonCrypto-based DynamicHash instances // CCHashInstance::CCHashInstance(CCDigestAlg alg, size_t truncate) { if (!(mDigest = CCDigestCreate(alg))) UnixError::throwMe(ENOMEM); mTruncate = truncate; } void CCHashInstance::finish(unsigned char *digest) { if (mTruncate == 0) { CCDigestFinal(mDigest, digest); } else { unsigned char fullDigest[CCDigestOutputSize(mDigest)]; CCDigestFinal(mDigest, fullDigest); memcpy(digest, fullDigest, mTruncate); } } } // Security