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 * RSA_DSA_signature.h - openssl-based signature classes. 21 */ 22 23#ifndef _RSA_DSA_SIGNATURE_H_ 24#define _RSA_DSA_SIGNATURE_H_ 25 26#include <openssl/rsa.h> 27#include <openssl/dsa.h> 28#include <RawSigner.h> 29#include <AppleCSPSession.h> 30 31#define RSA_SIG_PADDING_DEFAULT RSA_PKCS1_PADDING 32 33class RSASigner : public RawSigner { 34public: 35 RSASigner( 36 Allocator &alloc, 37 AppleCSPSession &session, 38 CSSM_ALGORITHMS digestAlg) : 39 RawSigner(alloc, digestAlg), 40 mRsaKey(NULL), 41 mWeMallocdRsaKey(false), 42 mSession(session), 43 mPadding(RSA_SIG_PADDING_DEFAULT) { } 44 45 ~RSASigner(); 46 47 /* reusable init */ 48 void signerInit( 49 const Context &context, 50 bool isSigning); 51 52 53 /* sign */ 54 void sign( 55 const void *data, 56 size_t dataLen, 57 void *sig, 58 size_t *sigLen); /* IN/OUT */ 59 60 /* verify */ 61 void verify( 62 const void *data, 63 size_t dataLen, 64 const void *sig, 65 size_t sigLen); 66 67 /* works for both, but only used for signing */ 68 size_t maxSigSize(); 69 70private: 71 72 /* 73 * obtain key from context, validate, convert to RSA key 74 */ 75 void keyFromContext( 76 const Context &context); 77 78 RSA *mRsaKey; 79 bool mWeMallocdRsaKey; 80 AppleCSPSession &mSession; 81 int mPadding; // RSA_NO_PADDING, RSA_PKCS1_PADDING 82}; 83 84class DSASigner : public RawSigner { 85public: 86 DSASigner( 87 Allocator &alloc, 88 AppleCSPSession &session, 89 CSSM_ALGORITHMS digestAlg) : 90 RawSigner(alloc, digestAlg), 91 mDsaKey(NULL), 92 mWeMallocdDsaKey(false), 93 mSession(session) { } 94 95 ~DSASigner(); 96 97 /* reusable init */ 98 void signerInit( 99 const Context &context, 100 bool isSigning); 101 102 103 /* sign */ 104 void sign( 105 const void *data, 106 size_t dataLen, 107 void *sig, 108 size_t *sigLen); /* IN/OUT */ 109 110 /* verify */ 111 void verify( 112 const void *data, 113 size_t dataLen, 114 const void *sig, 115 size_t sigLen); 116 117 /* works for both, but only used for signing */ 118 size_t maxSigSize(); 119 120private: 121 122 /* 123 * obtain key from context, validate, convert to DSA key 124 */ 125 void keyFromContext( 126 const Context &context); 127 128 DSA *mDsaKey; 129 bool mWeMallocdDsaKey; 130 AppleCSPSession &mSession; 131}; 132 133 134#endif /* _RSA_DSA_SIGNATURE_H_ */ 135