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// signclient - client interface to CSSM sign/verify contexts 21// 22#include <security_cdsa_client/signclient.h> 23 24using namespace CssmClient; 25 26 27// 28// Common features of signing and verify contexts 29// 30void SigningContext::activate() 31{ 32 StLock<Mutex> _(mActivateMutex); 33 if (!mActive) 34 { 35 check(CSSM_CSP_CreateSignatureContext(attachment()->handle(), mAlgorithm, 36 cred(), mKey, &mHandle)); 37 mActive = true; 38 } 39} 40 41 42// 43// Signing 44// 45void Sign::sign(const CssmData *data, uint32 count, CssmData &signature) 46{ 47 unstaged(); 48 check(CSSM_SignData(handle(), data, count, mSignOnly, &signature)); 49} 50 51void Sign::init() 52{ 53 check(CSSM_SignDataInit(handle())); 54 mStaged = true; 55} 56 57void Sign::sign(const CssmData *data, uint32 count) 58{ 59 staged(); 60 check(CSSM_SignDataUpdate(handle(), data, count)); 61} 62 63void Sign::operator () (CssmData &signature) 64{ 65 staged(); 66 check(CSSM_SignDataFinal(handle(), &signature)); 67 mStaged = false; 68} 69 70 71// 72// Verifying 73// 74void Verify::verify(const CssmData *data, uint32 count, const CssmData &signature) 75{ 76 unstaged(); 77 check(CSSM_VerifyData(handle(), data, count, mSignOnly, &signature)); 78} 79 80void Verify::init() 81{ 82 check(CSSM_VerifyDataInit(handle())); 83 mStaged = true; 84} 85 86void Verify::verify(const CssmData *data, uint32 count) 87{ 88 staged(); 89 check(CSSM_VerifyDataUpdate(handle(), data, count)); 90} 91 92void Verify::operator () (const CssmData &signature) 93{ 94 staged(); 95 check(CSSM_VerifyDataFinal(handle(), &signature)); 96 mStaged = false; 97} 98