1/* 2 * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. 3 * 4 * The contents of this file constitute Original Code as defined in and are 5 * subject to the Apple Public Source License Version 1.2 (the 'License'). 6 * You may not use this file except in compliance with the License. Please obtain 7 * a copy of the License at http://www.apple.com/publicsource and read it before 8 * using this file. 9 * 10 * This Original Code and all software distributed under the License are 11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS 12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT 13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the 15 * specific language governing rights and limitations under the License. 16 */ 17 18 19// 20// macclient - client interface to CSSM sign/verify mac contexts 21// 22#include <security_cdsa_client/macclient.h> 23 24using namespace CssmClient; 25 26 27// 28// Common features of signing and verify mac contexts 29// 30void MacContext::activate() 31{ 32 { 33 StLock<Mutex> _(mActivateMutex); 34 if (!mActive) 35 { 36 check(CSSM_CSP_CreateMacContext(attachment()->handle(), mAlgorithm, 37 mKey, &mHandle)); 38 mActive = true; 39 } 40 } 41 42 if (cred()) 43 cred(cred()); // install explicitly 44} 45 46 47// 48// Signing 49// 50void GenerateMac::sign(const CssmData *data, uint32 count, CssmData &mac) 51{ 52 unstaged(); 53 check(CSSM_GenerateMac(handle(), data, count, &mac)); 54} 55 56void GenerateMac::init() 57{ 58 check(CSSM_GenerateMacInit(handle())); 59 mStaged = true; 60} 61 62void GenerateMac::sign(const CssmData *data, uint32 count) 63{ 64 staged(); 65 check(CSSM_GenerateMacUpdate(handle(), data, count)); 66} 67 68void GenerateMac::operator () (CssmData &mac) 69{ 70 staged(); 71 check(CSSM_GenerateMacFinal(handle(), &mac)); 72 mStaged = false; 73} 74 75 76// 77// Verifying 78// 79void VerifyMac::verify(const CssmData *data, uint32 count, const CssmData &mac) 80{ 81 unstaged(); 82 check(CSSM_VerifyMac(handle(), data, count, &mac)); 83} 84 85void VerifyMac::init() 86{ 87 check(CSSM_VerifyMacInit(handle())); 88 mStaged = true; 89} 90 91void VerifyMac::verify(const CssmData *data, uint32 count) 92{ 93 staged(); 94 check(CSSM_VerifyMacUpdate(handle(), data, count)); 95} 96 97void VerifyMac::operator () (const CssmData &mac) 98{ 99 staged(); 100 check(CSSM_VerifyMacFinal(handle(), &mac)); 101 mStaged = false; 102} 103