1 /*- 2 * Copyright (c) 2009 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Alistair Crooks (agc@NetBSD.org) 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* 30 * Copyright (c) 2005-2008 Nominet UK (www.nic.uk) 31 * All rights reserved. 32 * Contributors: Ben Laurie, Rachel Willmer. The Contributors have asserted 33 * their moral rights under the UK Copyright Design and Patents Act 1988 to 34 * be recorded as the authors of this copyright work. 35 * 36 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 37 * use this file except in compliance with the License. 38 * 39 * You may obtain a copy of the License at 40 * http://www.apache.org/licenses/LICENSE-2.0 41 * 42 * Unless required by applicable law or agreed to in writing, software 43 * distributed under the License is distributed on an "AS IS" BASIS, 44 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 45 * 46 * See the License for the specific language governing permissions and 47 * limitations under the License. 48 */ 49 50 /** \file 51 */ 52 53 #ifndef SIGNATURE_H_ 54 #define SIGNATURE_H_ 55 56 #include "packet.h" 57 #include "create.h" 58 #include "memory.h" 59 60 typedef struct __ops_create_sig_t __ops_create_sig_t; 61 62 __ops_create_sig_t *__ops_create_sig_new(void); 63 void __ops_create_sig_delete(__ops_create_sig_t *); 64 65 unsigned __ops_check_useridcert_sig(const __ops_pubkey_t *, 66 const __ops_userid_t *, 67 const __ops_sig_t *, 68 const __ops_pubkey_t *, 69 const unsigned char *); 70 unsigned __ops_check_userattrcert_sig(const __ops_pubkey_t *, 71 const __ops_userattr_t *, 72 const __ops_sig_t *, 73 const __ops_pubkey_t *, 74 const unsigned char *); 75 unsigned __ops_check_subkey_sig(const __ops_pubkey_t *, 76 const __ops_pubkey_t *, 77 const __ops_sig_t *, 78 const __ops_pubkey_t *, 79 const unsigned char *); 80 unsigned __ops_check_direct_sig(const __ops_pubkey_t *, 81 const __ops_sig_t *, 82 const __ops_pubkey_t *, 83 const unsigned char *); 84 unsigned __ops_check_hash_sig(__ops_hash_t *, 85 const __ops_sig_t *, 86 const __ops_pubkey_t *); 87 void __ops_sig_start_key_sig(__ops_create_sig_t *, 88 const __ops_pubkey_t *, 89 const __ops_userid_t *, 90 __ops_sig_type_t); 91 void __ops_start_sig(__ops_create_sig_t *, 92 const __ops_seckey_t *, 93 const __ops_hash_alg_t, 94 const __ops_sig_type_t); 95 96 void __ops_sig_add_data(__ops_create_sig_t *, const void *, size_t); 97 __ops_hash_t *__ops_sig_get_hash(__ops_create_sig_t *); 98 unsigned __ops_end_hashed_subpkts(__ops_create_sig_t *); 99 unsigned __ops_write_sig(__ops_output_t *, __ops_create_sig_t *, 100 const __ops_pubkey_t *, const __ops_seckey_t *); 101 unsigned __ops_add_birthtime(__ops_create_sig_t *, time_t); 102 unsigned __ops_add_expiration(__ops_create_sig_t *, time_t); 103 unsigned __ops_add_issuer_keyid(__ops_create_sig_t *, 104 const unsigned char *); 105 void __ops_add_primary_userid(__ops_create_sig_t *, unsigned); 106 107 /* Standard Interface */ 108 unsigned __ops_sign_file(__ops_io_t *, 109 const char *, 110 const char *, 111 const __ops_seckey_t *, 112 const char *, 113 const int64_t, 114 const uint64_t, 115 const unsigned, 116 const unsigned, 117 const unsigned); 118 119 int __ops_sign_detached(__ops_io_t *, 120 const char *, 121 char *, 122 __ops_seckey_t *, 123 const char *, 124 const int64_t, 125 const uint64_t); 126 127 /* armoured stuff */ 128 unsigned __ops_crc24(unsigned, unsigned char); 129 130 void __ops_reader_push_dearmour(__ops_stream_t *); 131 132 void __ops_reader_pop_dearmour(__ops_stream_t *); 133 unsigned __ops_writer_push_clearsigned(__ops_output_t *, __ops_create_sig_t *); 134 void __ops_writer_push_armor_msg(__ops_output_t *); 135 136 typedef enum { 137 OPS_PGP_MESSAGE = 1, 138 OPS_PGP_PUBLIC_KEY_BLOCK, 139 OPS_PGP_PRIVATE_KEY_BLOCK, 140 OPS_PGP_MULTIPART_MESSAGE_PART_X_OF_Y, 141 OPS_PGP_MULTIPART_MESSAGE_PART_X, 142 OPS_PGP_SIGNATURE 143 } __ops_armor_type_t; 144 145 #define CRC24_INIT 0xb704ceL 146 147 unsigned __ops_writer_use_armored_sig(__ops_output_t *); 148 149 void __ops_writer_push_armoured(__ops_output_t *, __ops_armor_type_t); 150 151 __ops_memory_t *__ops_sign_buf(__ops_io_t *, 152 const void *, 153 const size_t, 154 const __ops_seckey_t *, 155 const int64_t, 156 const uint64_t, 157 const char *, 158 const unsigned, 159 const unsigned); 160 161 unsigned __ops_keyring_read_from_mem(__ops_io_t *, 162 __ops_keyring_t *, 163 const unsigned, 164 __ops_memory_t *); 165 166 #endif /* SIGNATURE_H_ */ 167