1/* 2 * Copyright (c) 2000-2001,2011,2013-2014 Apple 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 * FEESignatureObject.h - FEE-based raw sign/verify classes 21 */ 22 23#ifdef CRYPTKIT_CSP_ENABLE 24 25#ifndef _FEE_SIGNATURE_OBJECT_H_ 26#define _FEE_SIGNATURE_OBJECT_H_ 27 28#include <security_cryptkit/feePublicKey.h> 29#include <security_cryptkit/feeECDSA.h> 30#include "FEECSPUtils.h" 31#include "CryptKitSpace.h" 32#include <RawSigner.h> 33#include <AppleCSPSession.h> 34 35namespace CryptKit { 36 37/* 38 * Common raw FEE sign/verify class. 39 */ 40class FEESigner : public RawSigner { 41public: 42 FEESigner( 43 feeRandFcn randFcn, 44 void *randRef, 45 AppleCSPSession &session, 46 Allocator &alloc) : 47 RawSigner(alloc, CSSM_ALGID_NONE), 48 mFeeKey(NULL), 49 mWeMallocdFeeKey(false), 50 mRandFcn(randFcn), 51 mRandRef(randRef), 52 mSession(session) { } 53 54 virtual ~FEESigner(); 55 56 /* reusable init */ 57 void signerInit( 58 const Context &context, 59 bool isSigning); 60 61 /* 62 * obtain key from context, validate, convert to native FEE key 63 */ 64 void keyFromContext( 65 const Context &context); 66 67protected: 68 feePubKey mFeeKey; 69 bool mWeMallocdFeeKey; 70 feeRandFcn mRandFcn; 71 void *mRandRef; 72 AppleCSPSession &mSession; 73}; 74 75/* 76 * And two implementations. 77 * 78 * Native FEE signature, ElGamal style. 79 */ 80class FEERawSigner : public FEESigner 81{ 82public: 83 FEERawSigner( 84 feeRandFcn randFcn, 85 void *randRef, 86 AppleCSPSession &session, 87 Allocator &alloc) : 88 FEESigner(randFcn, randRef, session, alloc) { }; 89 90 ~FEERawSigner() { } 91 92 /* sign */ 93 void sign( 94 const void *data, 95 size_t dataLen, 96 void *sig, 97 size_t *sigLen); /* IN/OUT */ 98 99 /* verify */ 100 void verify( 101 const void *data, 102 size_t dataLen, 103 const void *sig, 104 size_t sigLen); 105 106 /* works for both, but only used for signing */ 107 size_t maxSigSize(); 108}; 109 110/* 111 * FEE signature, ECDSA style. 112 */ 113class FEEECDSASigner : public FEESigner 114{ 115public: 116 FEEECDSASigner( 117 feeRandFcn randFcn, 118 void *randRef, 119 AppleCSPSession &session, 120 Allocator &alloc) : 121 FEESigner(randFcn, randRef, session, alloc) { }; 122 123 ~FEEECDSASigner() { } 124 125 /* sign */ 126 void sign( 127 const void *data, 128 size_t dataLen, 129 void *sig, 130 size_t *sigLen); /* IN/OUT */ 131 132 /* verify */ 133 void verify( 134 const void *data, 135 size_t dataLen, 136 const void *sig, 137 size_t sigLen); 138 139 /* works for both, but only used for signing */ 140 size_t maxSigSize(); 141}; 142 143} /* namespace CryptKit */ 144 145#endif /* _FEE_SIGNATURE_OBJECT_H_ */ 146#endif /* CRYPTKIT_CSP_ENABLE */ 147