1 | /*
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2 | * {- join("\n * ", @autowarntext) -}
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3 | *
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4 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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5 | *
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6 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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7 | * this file except in compliance with the License. You can obtain a copy
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8 | * in the file LICENSE in the source distribution or at
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9 | * https://www.openssl.org/source/license.html
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10 | */
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11 |
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12 | {-
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13 | use OpenSSL::stackhash qw(generate_stack_macros);
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14 | -}
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15 |
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16 | #ifndef OPENSSL_PKCS7_H
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17 | # define OPENSSL_PKCS7_H
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18 | # pragma once
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19 |
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20 | # include <openssl/macros.h>
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21 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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22 | # define HEADER_PKCS7_H
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23 | # endif
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24 |
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25 | # include <openssl/asn1.h>
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26 | # include <openssl/bio.h>
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27 | # include <openssl/e_os2.h>
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28 |
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29 | # include <openssl/symhacks.h>
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30 | # include <openssl/types.h>
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31 | # include <openssl/pkcs7err.h>
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32 |
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33 | #ifdef __cplusplus
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34 | extern "C" {
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35 | #endif
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36 |
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37 |
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38 | /*-
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39 | Encryption_ID DES-CBC
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40 | Digest_ID MD5
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41 | Digest_Encryption_ID rsaEncryption
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42 | Key_Encryption_ID rsaEncryption
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43 | */
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44 |
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45 | typedef struct PKCS7_CTX_st {
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46 | OSSL_LIB_CTX *libctx;
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47 | char *propq;
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48 | } PKCS7_CTX;
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49 |
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50 | typedef struct pkcs7_issuer_and_serial_st {
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51 | X509_NAME *issuer;
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52 | ASN1_INTEGER *serial;
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53 | } PKCS7_ISSUER_AND_SERIAL;
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54 |
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55 | typedef struct pkcs7_signer_info_st {
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56 | ASN1_INTEGER *version; /* version 1 */
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57 | PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
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58 | X509_ALGOR *digest_alg;
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59 | STACK_OF(X509_ATTRIBUTE) *auth_attr; /* [ 0 ] */
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60 | X509_ALGOR *digest_enc_alg;
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61 | ASN1_OCTET_STRING *enc_digest;
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62 | STACK_OF(X509_ATTRIBUTE) *unauth_attr; /* [ 1 ] */
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63 | /* The private key to sign with */
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64 | EVP_PKEY *pkey;
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65 | const PKCS7_CTX *ctx;
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66 | } PKCS7_SIGNER_INFO;
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67 | {-
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68 | generate_stack_macros("PKCS7_SIGNER_INFO");
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69 | -}
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70 |
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71 | typedef struct pkcs7_recip_info_st {
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72 | ASN1_INTEGER *version; /* version 0 */
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73 | PKCS7_ISSUER_AND_SERIAL *issuer_and_serial;
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74 | X509_ALGOR *key_enc_algor;
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75 | ASN1_OCTET_STRING *enc_key;
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76 | X509 *cert; /* get the pub-key from this */
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77 | const PKCS7_CTX *ctx;
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78 | } PKCS7_RECIP_INFO;
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79 | {-
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80 | generate_stack_macros("PKCS7_RECIP_INFO");
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81 | -}
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82 |
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83 |
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84 | typedef struct pkcs7_signed_st {
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85 | ASN1_INTEGER *version; /* version 1 */
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86 | STACK_OF(X509_ALGOR) *md_algs; /* md used */
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87 | STACK_OF(X509) *cert; /* [ 0 ] */
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88 | STACK_OF(X509_CRL) *crl; /* [ 1 ] */
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89 | STACK_OF(PKCS7_SIGNER_INFO) *signer_info;
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90 | struct pkcs7_st *contents;
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91 | } PKCS7_SIGNED;
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92 | /*
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93 | * The above structure is very very similar to PKCS7_SIGN_ENVELOPE. How about
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94 | * merging the two
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95 | */
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96 |
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97 | typedef struct pkcs7_enc_content_st {
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98 | ASN1_OBJECT *content_type;
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99 | X509_ALGOR *algorithm;
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100 | ASN1_OCTET_STRING *enc_data; /* [ 0 ] */
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101 | const EVP_CIPHER *cipher;
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102 | const PKCS7_CTX *ctx;
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103 | } PKCS7_ENC_CONTENT;
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104 |
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105 | typedef struct pkcs7_enveloped_st {
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106 | ASN1_INTEGER *version; /* version 0 */
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107 | STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;
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108 | PKCS7_ENC_CONTENT *enc_data;
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109 | } PKCS7_ENVELOPE;
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110 |
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111 | typedef struct pkcs7_signedandenveloped_st {
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112 | ASN1_INTEGER *version; /* version 1 */
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113 | STACK_OF(X509_ALGOR) *md_algs; /* md used */
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114 | STACK_OF(X509) *cert; /* [ 0 ] */
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115 | STACK_OF(X509_CRL) *crl; /* [ 1 ] */
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116 | STACK_OF(PKCS7_SIGNER_INFO) *signer_info;
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117 | PKCS7_ENC_CONTENT *enc_data;
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118 | STACK_OF(PKCS7_RECIP_INFO) *recipientinfo;
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119 | } PKCS7_SIGN_ENVELOPE;
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120 |
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121 | typedef struct pkcs7_digest_st {
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122 | ASN1_INTEGER *version; /* version 0 */
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123 | X509_ALGOR *md; /* md used */
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124 | struct pkcs7_st *contents;
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125 | ASN1_OCTET_STRING *digest;
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126 | } PKCS7_DIGEST;
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127 |
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128 | typedef struct pkcs7_encrypted_st {
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129 | ASN1_INTEGER *version; /* version 0 */
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130 | PKCS7_ENC_CONTENT *enc_data;
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131 | } PKCS7_ENCRYPT;
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132 |
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133 | typedef struct pkcs7_st {
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134 | /*
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135 | * The following is non NULL if it contains ASN1 encoding of this
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136 | * structure
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137 | */
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138 | unsigned char *asn1;
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139 | long length;
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140 | # define PKCS7_S_HEADER 0
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141 | # define PKCS7_S_BODY 1
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142 | # define PKCS7_S_TAIL 2
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143 | int state; /* used during processing */
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144 | int detached;
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145 | ASN1_OBJECT *type;
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146 | /* content as defined by the type */
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147 | /*
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148 | * all encryption/message digests are applied to the 'contents', leaving
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149 | * out the 'type' field.
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150 | */
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151 | union {
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152 | char *ptr;
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153 | /* NID_pkcs7_data */
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154 | ASN1_OCTET_STRING *data;
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155 | /* NID_pkcs7_signed */
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156 | PKCS7_SIGNED *sign;
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157 | /* NID_pkcs7_enveloped */
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158 | PKCS7_ENVELOPE *enveloped;
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159 | /* NID_pkcs7_signedAndEnveloped */
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160 | PKCS7_SIGN_ENVELOPE *signed_and_enveloped;
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161 | /* NID_pkcs7_digest */
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162 | PKCS7_DIGEST *digest;
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163 | /* NID_pkcs7_encrypted */
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164 | PKCS7_ENCRYPT *encrypted;
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165 | /* Anything else */
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166 | ASN1_TYPE *other;
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167 | } d;
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168 | PKCS7_CTX ctx;
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169 | } PKCS7;
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170 | {-
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171 | generate_stack_macros("PKCS7");
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172 | -}
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173 |
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174 |
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175 | # define PKCS7_OP_SET_DETACHED_SIGNATURE 1
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176 | # define PKCS7_OP_GET_DETACHED_SIGNATURE 2
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177 |
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178 | # define PKCS7_get_signed_attributes(si) ((si)->auth_attr)
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179 | # define PKCS7_get_attributes(si) ((si)->unauth_attr)
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180 |
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181 | # define PKCS7_type_is_signed(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_signed)
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182 | # define PKCS7_type_is_encrypted(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_encrypted)
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183 | # define PKCS7_type_is_enveloped(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_enveloped)
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184 | # define PKCS7_type_is_signedAndEnveloped(a) \
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185 | (OBJ_obj2nid((a)->type) == NID_pkcs7_signedAndEnveloped)
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186 | # define PKCS7_type_is_data(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_data)
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187 | # define PKCS7_type_is_digest(a) (OBJ_obj2nid((a)->type) == NID_pkcs7_digest)
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188 |
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189 | # define PKCS7_set_detached(p,v) \
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190 | PKCS7_ctrl(p,PKCS7_OP_SET_DETACHED_SIGNATURE,v,NULL)
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191 | # define PKCS7_get_detached(p) \
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192 | PKCS7_ctrl(p,PKCS7_OP_GET_DETACHED_SIGNATURE,0,NULL)
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193 |
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194 | # define PKCS7_is_detached(p7) (PKCS7_type_is_signed(p7) && PKCS7_get_detached(p7))
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195 |
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196 | /* S/MIME related flags */
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197 |
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198 | # define PKCS7_TEXT 0x1
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199 | # define PKCS7_NOCERTS 0x2
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200 | # define PKCS7_NOSIGS 0x4
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201 | # define PKCS7_NOCHAIN 0x8
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202 | # define PKCS7_NOINTERN 0x10
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203 | # define PKCS7_NOVERIFY 0x20
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204 | # define PKCS7_DETACHED 0x40
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205 | # define PKCS7_BINARY 0x80
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206 | # define PKCS7_NOATTR 0x100
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207 | # define PKCS7_NOSMIMECAP 0x200
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208 | # define PKCS7_NOOLDMIMETYPE 0x400
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209 | # define PKCS7_CRLFEOL 0x800
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210 | # define PKCS7_STREAM 0x1000
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211 | # define PKCS7_NOCRL 0x2000
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212 | # define PKCS7_PARTIAL 0x4000
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213 | # define PKCS7_REUSE_DIGEST 0x8000
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214 | # define PKCS7_NO_DUAL_CONTENT 0x10000
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215 |
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216 | /* Flags: for compatibility with older code */
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217 |
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218 | # define SMIME_TEXT PKCS7_TEXT
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219 | # define SMIME_NOCERTS PKCS7_NOCERTS
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220 | # define SMIME_NOSIGS PKCS7_NOSIGS
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221 | # define SMIME_NOCHAIN PKCS7_NOCHAIN
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222 | # define SMIME_NOINTERN PKCS7_NOINTERN
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223 | # define SMIME_NOVERIFY PKCS7_NOVERIFY
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224 | # define SMIME_DETACHED PKCS7_DETACHED
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225 | # define SMIME_BINARY PKCS7_BINARY
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226 | # define SMIME_NOATTR PKCS7_NOATTR
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227 |
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228 | /* CRLF ASCII canonicalisation */
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229 | # define SMIME_ASCIICRLF 0x80000
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230 |
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231 | DECLARE_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL)
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232 |
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233 | int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
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234 | const EVP_MD *type, unsigned char *md,
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235 | unsigned int *len);
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236 | # ifndef OPENSSL_NO_STDIO
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237 | PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7);
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238 | int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7);
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239 | # endif
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240 | DECLARE_ASN1_DUP_FUNCTION(PKCS7)
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241 | PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7);
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242 | int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7);
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243 | int i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
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244 | int PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags);
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245 |
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246 | DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO)
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247 | DECLARE_ASN1_FUNCTIONS(PKCS7_RECIP_INFO)
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248 | DECLARE_ASN1_FUNCTIONS(PKCS7_SIGNED)
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249 | DECLARE_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT)
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250 | DECLARE_ASN1_FUNCTIONS(PKCS7_ENVELOPE)
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251 | DECLARE_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE)
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252 | DECLARE_ASN1_FUNCTIONS(PKCS7_DIGEST)
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253 | DECLARE_ASN1_FUNCTIONS(PKCS7_ENCRYPT)
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254 | DECLARE_ASN1_FUNCTIONS(PKCS7)
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255 | PKCS7 *PKCS7_new_ex(OSSL_LIB_CTX *libctx, const char *propq);
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256 |
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257 | DECLARE_ASN1_ITEM(PKCS7_ATTR_SIGN)
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258 | DECLARE_ASN1_ITEM(PKCS7_ATTR_VERIFY)
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259 |
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260 | DECLARE_ASN1_NDEF_FUNCTION(PKCS7)
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261 | DECLARE_ASN1_PRINT_FUNCTION(PKCS7)
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262 |
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263 | long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg);
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264 |
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265 | int PKCS7_type_is_other(PKCS7 *p7);
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266 | int PKCS7_set_type(PKCS7 *p7, int type);
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267 | int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other);
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268 | int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data);
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269 | int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
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270 | const EVP_MD *dgst);
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271 | int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si);
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272 | int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *p7i);
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273 | int PKCS7_add_certificate(PKCS7 *p7, X509 *x509);
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274 | int PKCS7_add_crl(PKCS7 *p7, X509_CRL *x509);
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275 | int PKCS7_content_new(PKCS7 *p7, int nid);
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276 | int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx,
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277 | BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si);
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278 | int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si,
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279 | X509 *x509);
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280 |
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281 | BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio);
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282 | int PKCS7_dataFinal(PKCS7 *p7, BIO *bio);
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283 | BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert);
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284 |
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285 | PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509,
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286 | EVP_PKEY *pkey, const EVP_MD *dgst);
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287 | X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
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288 | int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md);
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289 | STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7);
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290 |
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291 | PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509);
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292 | void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
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293 | X509_ALGOR **pdig, X509_ALGOR **psig);
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294 | void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc);
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295 | int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri);
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296 | int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509);
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297 | int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher);
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298 | int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7);
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299 |
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300 | PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx);
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301 | ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7);
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302 | ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk);
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303 | int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int type,
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304 | void *data);
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305 | int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
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306 | void *value);
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307 | ASN1_TYPE *PKCS7_get_attribute(const PKCS7_SIGNER_INFO *si, int nid);
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308 | ASN1_TYPE *PKCS7_get_signed_attribute(const PKCS7_SIGNER_INFO *si, int nid);
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309 | int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
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310 | STACK_OF(X509_ATTRIBUTE) *sk);
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311 | int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,
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312 | STACK_OF(X509_ATTRIBUTE) *sk);
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313 |
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314 | PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
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315 | BIO *data, int flags);
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316 | PKCS7 *PKCS7_sign_ex(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs,
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317 | BIO *data, int flags, OSSL_LIB_CTX *libctx,
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318 | const char *propq);
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319 |
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320 | PKCS7_SIGNER_INFO *PKCS7_sign_add_signer(PKCS7 *p7,
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321 | X509 *signcert, EVP_PKEY *pkey,
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322 | const EVP_MD *md, int flags);
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323 |
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324 | int PKCS7_final(PKCS7 *p7, BIO *data, int flags);
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325 | int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
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326 | BIO *indata, BIO *out, int flags);
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327 | STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs,
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328 | int flags);
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329 | PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
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330 | int flags);
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331 | PKCS7 *PKCS7_encrypt_ex(STACK_OF(X509) *certs, BIO *in,
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332 | const EVP_CIPHER *cipher, int flags,
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333 | OSSL_LIB_CTX *libctx, const char *propq);
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334 | int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data,
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335 | int flags);
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336 |
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337 | int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si,
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338 | STACK_OF(X509_ALGOR) *cap);
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339 | STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si);
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340 | int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg);
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341 |
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342 | int PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid);
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343 | int PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t);
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344 | int PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si,
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345 | const unsigned char *md, int mdlen);
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346 |
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347 | int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags);
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348 | PKCS7 *SMIME_read_PKCS7_ex(BIO *bio, BIO **bcont, PKCS7 **p7);
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349 | PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont);
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350 |
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351 | BIO *BIO_new_PKCS7(BIO *out, PKCS7 *p7);
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352 |
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353 | # ifdef __cplusplus
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354 | }
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355 | # endif
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356 | #endif
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