1 | /*
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2 | * Copyright (c) 2004 - 2006 Kungliga Tekniska Högskolan
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3 | * (Royal Institute of Technology, Stockholm, Sweden).
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4 | * All rights reserved.
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5 | *
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6 | * Redistribution and use in source and binary forms, with or without
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7 | * modification, are permitted provided that the following conditions
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8 | * are met:
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9 | *
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10 | * 1. Redistributions of source code must retain the above copyright
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11 | * notice, this list of conditions and the following disclaimer.
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12 | *
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13 | * 2. Redistributions in binary form must reproduce the above copyright
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14 | * notice, this list of conditions and the following disclaimer in the
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15 | * documentation and/or other materials provided with the distribution.
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16 | *
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17 | * 3. Neither the name of the Institute nor the names of its contributors
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18 | * may be used to endorse or promote products derived from this software
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19 | * without specific prior written permission.
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20 | *
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21 | * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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31 | * SUCH DAMAGE.
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32 | */
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33 |
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34 | /* $Id$ */
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35 |
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36 | #include <config.h>
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37 |
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38 | #include <stdio.h>
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39 | #include <stdlib.h>
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40 | #include <ctype.h>
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41 | #include <errno.h>
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42 | #ifdef HAVE_STRINGS_H
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43 | #include <strings.h>
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44 | #endif
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45 | #include <assert.h>
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46 | #include <stdarg.h>
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47 | #include <err.h>
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48 | #include <limits.h>
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49 |
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50 | #include <roken.h>
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51 |
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52 | #include <getarg.h>
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53 | #include <base64.h>
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54 | #include <hex.h>
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55 | #include <com_err.h>
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56 | #include <parse_units.h>
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57 | #include <parse_bytes.h>
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58 |
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59 | #include <krb5-types.h>
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60 |
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61 | #include <rfc2459_asn1.h>
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62 | #include <cms_asn1.h>
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63 | #include <pkcs8_asn1.h>
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64 | #include <pkcs9_asn1.h>
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65 | #include <pkcs12_asn1.h>
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66 | #include <ocsp_asn1.h>
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67 | #include <pkcs10_asn1.h>
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68 | #include <asn1_err.h>
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69 | #include <pkinit_asn1.h>
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70 |
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71 | #include <der.h>
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72 |
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73 | #define HC_DEPRECATED_CRYPTO
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74 | #include "crypto-headers.h"
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75 |
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76 | struct hx509_keyset_ops;
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77 | struct hx509_collector;
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78 | struct hx509_generate_private_context;
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79 | typedef struct hx509_path hx509_path;
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80 |
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81 | #include <hx509.h>
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82 |
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83 | typedef void (*_hx509_cert_release_func)(struct hx509_cert_data *, void *);
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84 |
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85 |
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86 | #include "sel.h"
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87 |
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88 | #include <hx509-private.h>
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89 | #include <hx509_err.h>
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90 |
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91 | struct hx509_peer_info {
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92 | hx509_cert cert;
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93 | AlgorithmIdentifier *val;
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94 | size_t len;
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95 | };
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96 |
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97 | #define HX509_CERTS_FIND_SERIALNUMBER 1
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98 | #define HX509_CERTS_FIND_ISSUER 2
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99 | #define HX509_CERTS_FIND_SUBJECT 4
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100 | #define HX509_CERTS_FIND_ISSUER_KEY_ID 8
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101 | #define HX509_CERTS_FIND_SUBJECT_KEY_ID 16
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102 |
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103 | struct hx509_name_data {
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104 | Name der_name;
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105 | };
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106 |
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107 | struct hx509_path {
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108 | size_t len;
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109 | hx509_cert *val;
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110 | };
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111 |
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112 | struct hx509_query_data {
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113 | int match;
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114 | #define HX509_QUERY_FIND_ISSUER_CERT 0x000001
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115 | #define HX509_QUERY_MATCH_SERIALNUMBER 0x000002
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116 | #define HX509_QUERY_MATCH_ISSUER_NAME 0x000004
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117 | #define HX509_QUERY_MATCH_SUBJECT_NAME 0x000008
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118 | #define HX509_QUERY_MATCH_SUBJECT_KEY_ID 0x000010
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119 | #define HX509_QUERY_MATCH_ISSUER_ID 0x000020
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120 | #define HX509_QUERY_PRIVATE_KEY 0x000040
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121 | #define HX509_QUERY_KU_ENCIPHERMENT 0x000080
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122 | #define HX509_QUERY_KU_DIGITALSIGNATURE 0x000100
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123 | #define HX509_QUERY_KU_KEYCERTSIGN 0x000200
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124 | #define HX509_QUERY_KU_CRLSIGN 0x000400
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125 | #define HX509_QUERY_KU_NONREPUDIATION 0x000800
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126 | #define HX509_QUERY_KU_KEYAGREEMENT 0x001000
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127 | #define HX509_QUERY_KU_DATAENCIPHERMENT 0x002000
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128 | #define HX509_QUERY_ANCHOR 0x004000
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129 | #define HX509_QUERY_MATCH_CERTIFICATE 0x008000
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130 | #define HX509_QUERY_MATCH_LOCAL_KEY_ID 0x010000
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131 | #define HX509_QUERY_NO_MATCH_PATH 0x020000
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132 | #define HX509_QUERY_MATCH_FRIENDLY_NAME 0x040000
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133 | #define HX509_QUERY_MATCH_FUNCTION 0x080000
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134 | #define HX509_QUERY_MATCH_KEY_HASH_SHA1 0x100000
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135 | #define HX509_QUERY_MATCH_TIME 0x200000
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136 | #define HX509_QUERY_MATCH_EKU 0x400000
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137 | #define HX509_QUERY_MATCH_EXPR 0x800000
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138 | #define HX509_QUERY_MASK 0xffffff
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139 | Certificate *subject;
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140 | Certificate *certificate;
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141 | heim_integer *serial;
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142 | heim_octet_string *subject_id;
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143 | heim_octet_string *local_key_id;
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144 | Name *issuer_name;
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145 | Name *subject_name;
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146 | hx509_path *path;
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147 | char *friendlyname;
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148 | int (*cmp_func)(hx509_context, hx509_cert, void *);
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149 | void *cmp_func_ctx;
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150 | heim_octet_string *keyhash_sha1;
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151 | time_t timenow;
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152 | heim_oid *eku;
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153 | struct hx_expr *expr;
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154 | };
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155 |
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156 | struct hx509_keyset_ops {
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157 | const char *name;
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158 | int flags;
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159 | int (*init)(hx509_context, hx509_certs, void **,
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160 | int, const char *, hx509_lock);
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161 | int (*store)(hx509_context, hx509_certs, void *, int, hx509_lock);
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162 | int (*free)(hx509_certs, void *);
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163 | int (*add)(hx509_context, hx509_certs, void *, hx509_cert);
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164 | int (*query)(hx509_context, hx509_certs, void *,
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165 | const hx509_query *, hx509_cert *);
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166 | int (*iter_start)(hx509_context, hx509_certs, void *, void **);
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167 | int (*iter)(hx509_context, hx509_certs, void *, void *, hx509_cert *);
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168 | int (*iter_end)(hx509_context, hx509_certs, void *, void *);
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169 | int (*printinfo)(hx509_context, hx509_certs,
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170 | void *, int (*)(void *, const char *), void *);
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171 | int (*getkeys)(hx509_context, hx509_certs, void *, hx509_private_key **);
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172 | int (*addkey)(hx509_context, hx509_certs, void *, hx509_private_key);
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173 | };
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174 |
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175 | struct _hx509_password {
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176 | size_t len;
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177 | char **val;
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178 | };
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179 |
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180 | extern hx509_lock _hx509_empty_lock;
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181 |
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182 | struct hx509_context_data {
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183 | struct hx509_keyset_ops **ks_ops;
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184 | int ks_num_ops;
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185 | int flags;
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186 | #define HX509_CTX_VERIFY_MISSING_OK 1
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187 | int ocsp_time_diff;
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188 | #define HX509_DEFAULT_OCSP_TIME_DIFF (5*60)
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189 | hx509_error error;
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190 | struct et_list *et_list;
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191 | char *querystat;
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192 | hx509_certs default_trust_anchors;
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193 | };
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194 |
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195 | /* _hx509_calculate_path flag field */
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196 | #define HX509_CALCULATE_PATH_NO_ANCHOR 1
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197 |
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198 | /* environment */
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199 | struct hx509_env_data {
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200 | enum { env_string, env_list } type;
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201 | char *name;
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202 | struct hx509_env_data *next;
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203 | union {
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204 | char *string;
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205 | struct hx509_env_data *list;
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206 | } u;
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207 | };
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208 |
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209 |
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210 | extern const AlgorithmIdentifier * _hx509_crypto_default_sig_alg;
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211 | extern const AlgorithmIdentifier * _hx509_crypto_default_digest_alg;
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212 | extern const AlgorithmIdentifier * _hx509_crypto_default_secret_alg;
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213 |
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214 | /*
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215 | * Configurable options
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216 | */
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217 |
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218 | #ifdef __APPLE__
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219 | #define HX509_DEFAULT_ANCHORS "KEYCHAIN:system-anchors"
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220 | #endif
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