1 | /*
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2 | * {- join("\n * ", @autowarntext) -}
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3 | *
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4 | * Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
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5 | * Copyright (c) 2004, EdelKey Project. All Rights Reserved.
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6 | *
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7 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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8 | * this file except in compliance with the License. You can obtain a copy
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9 | * in the file LICENSE in the source distribution or at
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10 | * https://www.openssl.org/source/license.html
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11 | *
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12 | * Originally written by Christophe Renou and Peter Sylvester,
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13 | * for the EdelKey project.
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14 | */
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15 |
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16 | {-
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17 | use OpenSSL::stackhash qw(generate_stack_macros);
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18 | -}
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19 |
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20 | #ifndef OPENSSL_SRP_H
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21 | # define OPENSSL_SRP_H
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22 | # pragma once
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23 |
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24 | # include <openssl/macros.h>
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25 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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26 | # define HEADER_SRP_H
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27 | # endif
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28 |
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29 | #include <openssl/opensslconf.h>
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30 |
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31 | #ifndef OPENSSL_NO_SRP
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32 | # include <stdio.h>
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33 | # include <string.h>
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34 | # include <openssl/safestack.h>
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35 | # include <openssl/bn.h>
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36 | # include <openssl/crypto.h>
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37 |
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38 | # ifdef __cplusplus
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39 | extern "C" {
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40 | # endif
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41 |
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42 | # ifndef OPENSSL_NO_DEPRECATED_3_0
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43 |
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44 | typedef struct SRP_gN_cache_st {
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45 | char *b64_bn;
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46 | BIGNUM *bn;
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47 | } SRP_gN_cache;
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48 | {-
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49 | generate_stack_macros("SRP_gN_cache");
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50 | -}
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51 |
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52 |
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53 | typedef struct SRP_user_pwd_st {
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54 | /* Owned by us. */
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55 | char *id;
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56 | BIGNUM *s;
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57 | BIGNUM *v;
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58 | /* Not owned by us. */
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59 | const BIGNUM *g;
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60 | const BIGNUM *N;
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61 | /* Owned by us. */
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62 | char *info;
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63 | } SRP_user_pwd;
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64 | {-
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65 | generate_stack_macros("SRP_user_pwd");
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66 | -}
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67 |
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68 | OSSL_DEPRECATEDIN_3_0
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69 | SRP_user_pwd *SRP_user_pwd_new(void);
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70 | OSSL_DEPRECATEDIN_3_0
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71 | void SRP_user_pwd_free(SRP_user_pwd *user_pwd);
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72 |
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73 | OSSL_DEPRECATEDIN_3_0
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74 | void SRP_user_pwd_set_gN(SRP_user_pwd *user_pwd, const BIGNUM *g,
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75 | const BIGNUM *N);
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76 | OSSL_DEPRECATEDIN_3_0
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77 | int SRP_user_pwd_set1_ids(SRP_user_pwd *user_pwd, const char *id,
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78 | const char *info);
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79 | OSSL_DEPRECATEDIN_3_0
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80 | int SRP_user_pwd_set0_sv(SRP_user_pwd *user_pwd, BIGNUM *s, BIGNUM *v);
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81 |
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82 | typedef struct SRP_VBASE_st {
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83 | STACK_OF(SRP_user_pwd) *users_pwd;
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84 | STACK_OF(SRP_gN_cache) *gN_cache;
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85 | /* to simulate a user */
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86 | char *seed_key;
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87 | const BIGNUM *default_g;
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88 | const BIGNUM *default_N;
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89 | } SRP_VBASE;
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90 |
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91 | /*
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92 | * Internal structure storing N and g pair
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93 | */
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94 | typedef struct SRP_gN_st {
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95 | char *id;
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96 | const BIGNUM *g;
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97 | const BIGNUM *N;
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98 | } SRP_gN;
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99 | {-
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100 | generate_stack_macros("SRP_gN");
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101 | -}
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102 |
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103 |
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104 | OSSL_DEPRECATEDIN_3_0
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105 | SRP_VBASE *SRP_VBASE_new(char *seed_key);
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106 | OSSL_DEPRECATEDIN_3_0
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107 | void SRP_VBASE_free(SRP_VBASE *vb);
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108 | OSSL_DEPRECATEDIN_3_0
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109 | int SRP_VBASE_init(SRP_VBASE *vb, char *verifier_file);
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110 |
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111 | OSSL_DEPRECATEDIN_3_0
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112 | int SRP_VBASE_add0_user(SRP_VBASE *vb, SRP_user_pwd *user_pwd);
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113 |
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114 | /* NOTE: unlike in SRP_VBASE_get_by_user, caller owns the returned pointer.*/
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115 | OSSL_DEPRECATEDIN_3_0
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116 | SRP_user_pwd *SRP_VBASE_get1_by_user(SRP_VBASE *vb, char *username);
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117 |
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118 | OSSL_DEPRECATEDIN_3_0
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119 | char *SRP_create_verifier_ex(const char *user, const char *pass, char **salt,
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120 | char **verifier, const char *N, const char *g,
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121 | OSSL_LIB_CTX *libctx, const char *propq);
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122 | OSSL_DEPRECATEDIN_3_0
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123 | char *SRP_create_verifier(const char *user, const char *pass, char **salt,
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124 | char **verifier, const char *N, const char *g);
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125 | OSSL_DEPRECATEDIN_3_0
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126 | int SRP_create_verifier_BN_ex(const char *user, const char *pass, BIGNUM **salt,
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127 | BIGNUM **verifier, const BIGNUM *N,
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128 | const BIGNUM *g, OSSL_LIB_CTX *libctx,
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129 | const char *propq);
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130 | OSSL_DEPRECATEDIN_3_0
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131 | int SRP_create_verifier_BN(const char *user, const char *pass, BIGNUM **salt,
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132 | BIGNUM **verifier, const BIGNUM *N,
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133 | const BIGNUM *g);
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134 |
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135 | # define SRP_NO_ERROR 0
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136 | # define SRP_ERR_VBASE_INCOMPLETE_FILE 1
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137 | # define SRP_ERR_VBASE_BN_LIB 2
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138 | # define SRP_ERR_OPEN_FILE 3
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139 | # define SRP_ERR_MEMORY 4
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140 |
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141 | # define DB_srptype 0
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142 | # define DB_srpverifier 1
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143 | # define DB_srpsalt 2
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144 | # define DB_srpid 3
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145 | # define DB_srpgN 4
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146 | # define DB_srpinfo 5
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147 | # undef DB_NUMBER
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148 | # define DB_NUMBER 6
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149 |
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150 | # define DB_SRP_INDEX 'I'
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151 | # define DB_SRP_VALID 'V'
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152 | # define DB_SRP_REVOKED 'R'
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153 | # define DB_SRP_MODIF 'v'
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154 |
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155 | /* see srp.c */
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156 | OSSL_DEPRECATEDIN_3_0
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157 | char *SRP_check_known_gN_param(const BIGNUM *g, const BIGNUM *N);
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158 | OSSL_DEPRECATEDIN_3_0
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159 | SRP_gN *SRP_get_default_gN(const char *id);
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160 |
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161 | /* server side .... */
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162 | OSSL_DEPRECATEDIN_3_0
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163 | BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,
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164 | const BIGNUM *b, const BIGNUM *N);
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165 | OSSL_DEPRECATEDIN_3_0
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166 | BIGNUM *SRP_Calc_B_ex(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g,
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167 | const BIGNUM *v, OSSL_LIB_CTX *libctx, const char *propq);
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168 | OSSL_DEPRECATEDIN_3_0
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169 | BIGNUM *SRP_Calc_B(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g,
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170 | const BIGNUM *v);
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171 |
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172 | OSSL_DEPRECATEDIN_3_0
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173 | int SRP_Verify_A_mod_N(const BIGNUM *A, const BIGNUM *N);
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174 | OSSL_DEPRECATEDIN_3_0
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175 | BIGNUM *SRP_Calc_u_ex(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N,
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176 | OSSL_LIB_CTX *libctx, const char *propq);
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177 | OSSL_DEPRECATEDIN_3_0
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178 | BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N);
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179 |
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180 | /* client side .... */
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181 |
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182 | OSSL_DEPRECATEDIN_3_0
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183 | BIGNUM *SRP_Calc_x_ex(const BIGNUM *s, const char *user, const char *pass,
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184 | OSSL_LIB_CTX *libctx, const char *propq);
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185 | OSSL_DEPRECATEDIN_3_0
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186 | BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass);
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187 | OSSL_DEPRECATEDIN_3_0
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188 | BIGNUM *SRP_Calc_A(const BIGNUM *a, const BIGNUM *N, const BIGNUM *g);
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189 | OSSL_DEPRECATEDIN_3_0
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190 | BIGNUM *SRP_Calc_client_key_ex(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
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191 | const BIGNUM *x, const BIGNUM *a, const BIGNUM *u,
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192 | OSSL_LIB_CTX *libctx, const char *propq);
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193 | OSSL_DEPRECATEDIN_3_0
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194 | BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
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195 | const BIGNUM *x, const BIGNUM *a, const BIGNUM *u);
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196 | OSSL_DEPRECATEDIN_3_0
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197 | int SRP_Verify_B_mod_N(const BIGNUM *B, const BIGNUM *N);
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198 |
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199 | # define SRP_MINIMAL_N 1024
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200 |
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201 | # endif /* OPENSSL_NO_DEPRECATED_3_0 */
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202 |
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203 | /* This method ignores the configured seed and fails for an unknown user. */
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204 | # ifndef OPENSSL_NO_DEPRECATED_1_1_0
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205 | OSSL_DEPRECATEDIN_1_1_0
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206 | SRP_user_pwd *SRP_VBASE_get_by_user(SRP_VBASE *vb, char *username);
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207 | # endif
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208 |
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209 | # ifdef __cplusplus
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210 | }
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211 | # endif
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212 | # endif
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213 |
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214 | #endif
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