1 | /*
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2 | * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifndef OPENSSL_OBJECTS_H
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11 | # define OPENSSL_OBJECTS_H
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12 | # pragma once
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13 |
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14 | # include <openssl/macros.h>
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15 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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16 | # define HEADER_OBJECTS_H
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17 | # endif
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18 |
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19 | # include <openssl/obj_mac.h>
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20 | # include <openssl/bio.h>
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21 | # include <openssl/asn1.h>
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22 | # include <openssl/objectserr.h>
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23 |
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24 | # define OBJ_NAME_TYPE_UNDEF 0x00
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25 | # define OBJ_NAME_TYPE_MD_METH 0x01
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26 | # define OBJ_NAME_TYPE_CIPHER_METH 0x02
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27 | # define OBJ_NAME_TYPE_PKEY_METH 0x03
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28 | # define OBJ_NAME_TYPE_COMP_METH 0x04
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29 | # define OBJ_NAME_TYPE_MAC_METH 0x05
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30 | # define OBJ_NAME_TYPE_KDF_METH 0x06
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31 | # define OBJ_NAME_TYPE_NUM 0x07
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32 |
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33 | # define OBJ_NAME_ALIAS 0x8000
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34 |
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35 | # define OBJ_BSEARCH_VALUE_ON_NOMATCH 0x01
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36 | # define OBJ_BSEARCH_FIRST_VALUE_ON_MATCH 0x02
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37 |
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38 |
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39 | #ifdef __cplusplus
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40 | extern "C" {
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41 | #endif
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42 |
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43 | typedef struct obj_name_st {
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44 | int type;
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45 | int alias;
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46 | const char *name;
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47 | const char *data;
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48 | } OBJ_NAME;
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49 |
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50 | # define OBJ_create_and_add_object(a,b,c) OBJ_create(a,b,c)
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51 |
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52 | int OBJ_NAME_init(void);
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53 | int OBJ_NAME_new_index(unsigned long (*hash_func) (const char *),
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54 | int (*cmp_func) (const char *, const char *),
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55 | void (*free_func) (const char *, int, const char *));
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56 | const char *OBJ_NAME_get(const char *name, int type);
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57 | int OBJ_NAME_add(const char *name, int type, const char *data);
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58 | int OBJ_NAME_remove(const char *name, int type);
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59 | void OBJ_NAME_cleanup(int type); /* -1 for everything */
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60 | void OBJ_NAME_do_all(int type, void (*fn) (const OBJ_NAME *, void *arg),
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61 | void *arg);
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62 | void OBJ_NAME_do_all_sorted(int type,
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63 | void (*fn) (const OBJ_NAME *, void *arg),
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64 | void *arg);
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65 |
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66 | DECLARE_ASN1_DUP_FUNCTION_name(ASN1_OBJECT, OBJ)
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67 | ASN1_OBJECT *OBJ_nid2obj(int n);
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68 | const char *OBJ_nid2ln(int n);
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69 | const char *OBJ_nid2sn(int n);
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70 | int OBJ_obj2nid(const ASN1_OBJECT *o);
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71 | ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name);
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72 | int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name);
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73 | int OBJ_txt2nid(const char *s);
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74 | int OBJ_ln2nid(const char *s);
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75 | int OBJ_sn2nid(const char *s);
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76 | int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b);
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77 | const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
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78 | int (*cmp) (const void *, const void *));
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79 | const void *OBJ_bsearch_ex_(const void *key, const void *base, int num,
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80 | int size,
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81 | int (*cmp) (const void *, const void *),
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82 | int flags);
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83 |
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84 | # define _DECLARE_OBJ_BSEARCH_CMP_FN(scope, type1, type2, nm) \
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85 | static int nm##_cmp_BSEARCH_CMP_FN(const void *, const void *); \
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86 | static int nm##_cmp(type1 const *, type2 const *); \
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87 | scope type2 * OBJ_bsearch_##nm(type1 *key, type2 const *base, int num)
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88 |
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89 | # define DECLARE_OBJ_BSEARCH_CMP_FN(type1, type2, cmp) \
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90 | _DECLARE_OBJ_BSEARCH_CMP_FN(static, type1, type2, cmp)
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91 | # define DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(type1, type2, nm) \
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92 | type2 * OBJ_bsearch_##nm(type1 *key, type2 const *base, int num)
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93 |
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94 | /*-
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95 | * Unsolved problem: if a type is actually a pointer type, like
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96 | * nid_triple is, then its impossible to get a const where you need
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97 | * it. Consider:
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98 | *
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99 | * typedef int nid_triple[3];
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100 | * const void *a_;
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101 | * const nid_triple const *a = a_;
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102 | *
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103 | * The assignment discards a const because what you really want is:
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104 | *
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105 | * const int const * const *a = a_;
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106 | *
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107 | * But if you do that, you lose the fact that a is an array of 3 ints,
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108 | * which breaks comparison functions.
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109 | *
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110 | * Thus we end up having to cast, sadly, or unpack the
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111 | * declarations. Or, as I finally did in this case, declare nid_triple
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112 | * to be a struct, which it should have been in the first place.
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113 | *
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114 | * Ben, August 2008.
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115 | *
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116 | * Also, strictly speaking not all types need be const, but handling
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117 | * the non-constness means a lot of complication, and in practice
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118 | * comparison routines do always not touch their arguments.
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119 | */
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120 |
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121 | # define IMPLEMENT_OBJ_BSEARCH_CMP_FN(type1, type2, nm) \
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122 | static int nm##_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_) \
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123 | { \
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124 | type1 const *a = a_; \
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125 | type2 const *b = b_; \
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126 | return nm##_cmp(a,b); \
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127 | } \
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128 | static type2 *OBJ_bsearch_##nm(type1 *key, type2 const *base, int num) \
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129 | { \
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130 | return (type2 *)OBJ_bsearch_(key, base, num, sizeof(type2), \
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131 | nm##_cmp_BSEARCH_CMP_FN); \
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132 | } \
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133 | extern void dummy_prototype(void)
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134 |
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135 | # define IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(type1, type2, nm) \
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136 | static int nm##_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_) \
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137 | { \
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138 | type1 const *a = a_; \
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139 | type2 const *b = b_; \
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140 | return nm##_cmp(a,b); \
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141 | } \
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142 | type2 *OBJ_bsearch_##nm(type1 *key, type2 const *base, int num) \
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143 | { \
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144 | return (type2 *)OBJ_bsearch_(key, base, num, sizeof(type2), \
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145 | nm##_cmp_BSEARCH_CMP_FN); \
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146 | } \
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147 | extern void dummy_prototype(void)
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148 |
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149 | # define OBJ_bsearch(type1,key,type2,base,num,cmp) \
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150 | ((type2 *)OBJ_bsearch_(CHECKED_PTR_OF(type1,key),CHECKED_PTR_OF(type2,base), \
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151 | num,sizeof(type2), \
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152 | ((void)CHECKED_PTR_OF(type1,cmp##_type_1), \
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153 | (void)CHECKED_PTR_OF(type2,cmp##_type_2), \
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154 | cmp##_BSEARCH_CMP_FN)))
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155 |
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156 | # define OBJ_bsearch_ex(type1,key,type2,base,num,cmp,flags) \
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157 | ((type2 *)OBJ_bsearch_ex_(CHECKED_PTR_OF(type1,key),CHECKED_PTR_OF(type2,base), \
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158 | num,sizeof(type2), \
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159 | ((void)CHECKED_PTR_OF(type1,cmp##_type_1), \
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160 | (void)type_2=CHECKED_PTR_OF(type2,cmp##_type_2), \
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161 | cmp##_BSEARCH_CMP_FN)),flags)
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162 |
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163 | int OBJ_new_nid(int num);
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164 | int OBJ_add_object(const ASN1_OBJECT *obj);
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165 | int OBJ_create(const char *oid, const char *sn, const char *ln);
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166 | #ifndef OPENSSL_NO_DEPRECATED_1_1_0
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167 | # define OBJ_cleanup() while(0) continue
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168 | #endif
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169 | int OBJ_create_objects(BIO *in);
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170 |
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171 | size_t OBJ_length(const ASN1_OBJECT *obj);
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172 | const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj);
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173 |
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174 | int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid);
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175 | int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid);
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176 | int OBJ_add_sigid(int signid, int dig_id, int pkey_id);
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177 | void OBJ_sigid_free(void);
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178 |
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179 |
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180 | # ifdef __cplusplus
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181 | }
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182 | # endif
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183 | #endif
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