1 | /* ec.h
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2 | *
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3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 | /* ec.h for openssl */
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23 |
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24 | #ifndef WOLFSSL_EC_H_
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25 | #define WOLFSSL_EC_H_
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26 |
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27 | #include <wolfssl/openssl/bn.h>
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28 | #include <wolfssl/wolfcrypt/ecc.h>
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29 |
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30 | #ifdef __cplusplus
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31 | extern "C" {
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32 | #endif
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33 |
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34 | /* Map OpenSSL NID value */
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35 | enum {
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36 | POINT_CONVERSION_COMPRESSED = 2,
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37 | POINT_CONVERSION_UNCOMPRESSED = 4,
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38 |
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39 | #ifdef HAVE_ECC
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40 | /* Use ecc_curve_type enum values for NID */
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41 | NID_X9_62_prime192v1 = ECC_SECP192R1,
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42 | NID_X9_62_prime256v1 = ECC_SECP256R1,
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43 | NID_secp112r1 = ECC_SECP112R1,
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44 | NID_secp112r2 = ECC_SECP112R2,
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45 | NID_secp128r1 = ECC_SECP128R1,
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46 | NID_secp128r2 = ECC_SECP128R2,
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47 | NID_secp160r1 = ECC_SECP160R1,
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48 | NID_secp160r2 = ECC_SECP160R2,
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49 | NID_secp224r1 = ECC_SECP224R1,
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50 | NID_secp384r1 = ECC_SECP384R1,
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51 | NID_secp521r1 = ECC_SECP521R1,
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52 | NID_secp160k1 = ECC_SECP160K1,
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53 | NID_secp192k1 = ECC_SECP192K1,
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54 | NID_secp224k1 = ECC_SECP224K1,
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55 | NID_secp256k1 = ECC_SECP256K1,
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56 | NID_brainpoolP160r1 = ECC_BRAINPOOLP160R1,
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57 | NID_brainpoolP192r1 = ECC_BRAINPOOLP192R1,
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58 | NID_brainpoolP224r1 = ECC_BRAINPOOLP224R1,
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59 | NID_brainpoolP256r1 = ECC_BRAINPOOLP256R1,
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60 | NID_brainpoolP320r1 = ECC_BRAINPOOLP320R1,
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61 | NID_brainpoolP384r1 = ECC_BRAINPOOLP384R1,
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62 | NID_brainpoolP512r1 = ECC_BRAINPOOLP512R1,
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63 | #endif
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64 |
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65 | OPENSSL_EC_NAMED_CURVE = 0x001
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66 | };
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67 |
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68 | #ifndef WOLFSSL_EC_TYPE_DEFINED /* guard on redeclaration */
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69 | typedef struct WOLFSSL_EC_KEY WOLFSSL_EC_KEY;
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70 | typedef struct WOLFSSL_EC_POINT WOLFSSL_EC_POINT;
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71 | typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_GROUP;
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72 | #define WOLFSSL_EC_TYPE_DEFINED
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73 | #endif
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74 |
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75 | typedef WOLFSSL_EC_KEY EC_KEY;
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76 | typedef WOLFSSL_EC_GROUP EC_GROUP;
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77 | typedef WOLFSSL_EC_POINT EC_POINT;
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78 |
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79 | struct WOLFSSL_EC_POINT {
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80 | WOLFSSL_BIGNUM *X;
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81 | WOLFSSL_BIGNUM *Y;
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82 | WOLFSSL_BIGNUM *Z;
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83 |
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84 | void* internal; /* our ECC point */
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85 | char inSet; /* internal set from external ? */
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86 | char exSet; /* external set from internal ? */
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87 | };
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88 |
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89 | struct WOLFSSL_EC_GROUP {
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90 | int curve_idx; /* index of curve, used by WolfSSL as reference */
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91 | int curve_nid; /* NID of curve, used by OpenSSL/OpenSSH as reference */
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92 | int curve_oid; /* OID of curve, used by OpenSSL/OpenSSH as reference */
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93 | };
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94 |
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95 | struct WOLFSSL_EC_KEY {
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96 | WOLFSSL_EC_GROUP *group;
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97 | WOLFSSL_EC_POINT *pub_key;
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98 | WOLFSSL_BIGNUM *priv_key;
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99 |
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100 | void* internal; /* our ECC Key */
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101 | char inSet; /* internal set from external ? */
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102 | char exSet; /* external set from internal ? */
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103 | };
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104 |
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105 |
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106 | #define WOLFSSL_EC_KEY_LOAD_PRIVATE 1
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107 | #define WOLFSSL_EC_KEY_LOAD_PUBLIC 2
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108 |
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109 | WOLFSSL_API
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110 | int wolfSSL_ECPoint_i2d(const WOLFSSL_EC_GROUP *curve,
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111 | const WOLFSSL_EC_POINT *p,
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112 | unsigned char *out, unsigned int *len);
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113 | WOLFSSL_API
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114 | int wolfSSL_ECPoint_d2i(unsigned char *in, unsigned int len,
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115 | const WOLFSSL_EC_GROUP *curve, WOLFSSL_EC_POINT *p);
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116 | WOLFSSL_API
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117 | int wolfSSL_EC_KEY_LoadDer(WOLFSSL_EC_KEY* key,
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118 | const unsigned char* der, int derSz);
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119 | WOLFSSL_API
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120 | int wolfSSL_EC_KEY_LoadDer_ex(WOLFSSL_EC_KEY* key,
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121 | const unsigned char* der, int derSz, int opt);
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122 | WOLFSSL_API
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123 | void wolfSSL_EC_KEY_free(WOLFSSL_EC_KEY *key);
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124 | WOLFSSL_API
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125 | WOLFSSL_EC_POINT *wolfSSL_EC_KEY_get0_public_key(const WOLFSSL_EC_KEY *key);
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126 | WOLFSSL_API
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127 | const WOLFSSL_EC_GROUP *wolfSSL_EC_KEY_get0_group(const WOLFSSL_EC_KEY *key);
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128 | WOLFSSL_API
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129 | int wolfSSL_EC_KEY_set_private_key(WOLFSSL_EC_KEY *key,
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130 | const WOLFSSL_BIGNUM *priv_key);
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131 | WOLFSSL_API
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132 | WOLFSSL_BIGNUM *wolfSSL_EC_KEY_get0_private_key(const WOLFSSL_EC_KEY *key);
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133 | WOLFSSL_API
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134 | WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_by_curve_name(int nid);
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135 | WOLFSSL_API
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136 | WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new(void);
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137 | WOLFSSL_API
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138 | int wolfSSL_EC_KEY_set_group(WOLFSSL_EC_KEY *key, WOLFSSL_EC_GROUP *group);
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139 | WOLFSSL_API
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140 | int wolfSSL_EC_KEY_generate_key(WOLFSSL_EC_KEY *key);
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141 | WOLFSSL_API
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142 | void wolfSSL_EC_KEY_set_asn1_flag(WOLFSSL_EC_KEY *key, int asn1_flag);
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143 | WOLFSSL_API
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144 | int wolfSSL_EC_KEY_set_public_key(WOLFSSL_EC_KEY *key,
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145 | const WOLFSSL_EC_POINT *pub);
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146 | WOLFSSL_API
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147 | void wolfSSL_EC_GROUP_set_asn1_flag(WOLFSSL_EC_GROUP *group, int flag);
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148 | WOLFSSL_API
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149 | WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_new_by_curve_name(int nid);
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150 | WOLFSSL_API
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151 | int wolfSSL_EC_GROUP_cmp(const WOLFSSL_EC_GROUP *a, const WOLFSSL_EC_GROUP *b,
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152 | WOLFSSL_BN_CTX *ctx);
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153 | WOLFSSL_API
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154 | int wolfSSL_EC_GROUP_get_curve_name(const WOLFSSL_EC_GROUP *group);
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155 | WOLFSSL_API
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156 | int wolfSSL_EC_GROUP_get_degree(const WOLFSSL_EC_GROUP *group);
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157 | WOLFSSL_API
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158 | int wolfSSL_EC_GROUP_get_order(const WOLFSSL_EC_GROUP *group,
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159 | WOLFSSL_BIGNUM *order, WOLFSSL_BN_CTX *ctx);
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160 | WOLFSSL_API
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161 | void wolfSSL_EC_GROUP_free(WOLFSSL_EC_GROUP *group);
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162 | WOLFSSL_API
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163 | WOLFSSL_EC_POINT *wolfSSL_EC_POINT_new(const WOLFSSL_EC_GROUP *group);
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164 | WOLFSSL_API
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165 | int wolfSSL_EC_POINT_get_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
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166 | const WOLFSSL_EC_POINT *p,
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167 | WOLFSSL_BIGNUM *x,
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168 | WOLFSSL_BIGNUM *y,
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169 | WOLFSSL_BN_CTX *ctx);
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170 | WOLFSSL_API
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171 | int wolfSSL_EC_POINT_mul(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
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172 | const WOLFSSL_BIGNUM *n,
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173 | const WOLFSSL_EC_POINT *q, const WOLFSSL_BIGNUM *m,
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174 | WOLFSSL_BN_CTX *ctx);
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175 | WOLFSSL_API
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176 | void wolfSSL_EC_POINT_clear_free(WOLFSSL_EC_POINT *point);
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177 | WOLFSSL_API
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178 | int wolfSSL_EC_POINT_cmp(const WOLFSSL_EC_GROUP *group,
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179 | const WOLFSSL_EC_POINT *a, const WOLFSSL_EC_POINT *b,
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180 | WOLFSSL_BN_CTX *ctx);
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181 | WOLFSSL_API
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182 | void wolfSSL_EC_POINT_free(WOLFSSL_EC_POINT *point);
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183 | WOLFSSL_API
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184 | int wolfSSL_EC_POINT_is_at_infinity(const WOLFSSL_EC_GROUP *group,
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185 | const WOLFSSL_EC_POINT *a);
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186 |
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187 | #ifndef HAVE_SELFTEST
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188 | WOLFSSL_API
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189 | char* wolfSSL_EC_POINT_point2hex(const WOLFSSL_EC_GROUP* group,
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190 | const WOLFSSL_EC_POINT* point, int form,
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191 | WOLFSSL_BN_CTX* ctx);
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192 | #endif
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193 |
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194 | #define EC_KEY_new wolfSSL_EC_KEY_new
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195 | #define EC_KEY_free wolfSSL_EC_KEY_free
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196 | #define EC_KEY_get0_public_key wolfSSL_EC_KEY_get0_public_key
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197 | #define EC_KEY_get0_group wolfSSL_EC_KEY_get0_group
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198 | #define EC_KEY_set_private_key wolfSSL_EC_KEY_set_private_key
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199 | #define EC_KEY_get0_private_key wolfSSL_EC_KEY_get0_private_key
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200 | #define EC_KEY_new_by_curve_name wolfSSL_EC_KEY_new_by_curve_name
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201 | #define EC_KEY_set_group wolfSSL_EC_KEY_set_group
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202 | #define EC_KEY_generate_key wolfSSL_EC_KEY_generate_key
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203 | #define EC_KEY_set_asn1_flag wolfSSL_EC_KEY_set_asn1_flag
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204 | #define EC_KEY_set_public_key wolfSSL_EC_KEY_set_public_key
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205 |
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206 | #define EC_GROUP_free wolfSSL_EC_GROUP_free
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207 | #define EC_GROUP_set_asn1_flag wolfSSL_EC_GROUP_set_asn1_flag
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208 | #define EC_GROUP_new_by_curve_name wolfSSL_EC_GROUP_new_by_curve_name
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209 | #define EC_GROUP_cmp wolfSSL_EC_GROUP_cmp
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210 | #define EC_GROUP_get_curve_name wolfSSL_EC_GROUP_get_curve_name
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211 | #define EC_GROUP_get_degree wolfSSL_EC_GROUP_get_degree
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212 | #define EC_GROUP_get_order wolfSSL_EC_GROUP_get_order
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213 |
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214 | #define EC_POINT_new wolfSSL_EC_POINT_new
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215 | #define EC_POINT_free wolfSSL_EC_POINT_free
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216 | #define EC_POINT_get_affine_coordinates_GFp \
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217 | wolfSSL_EC_POINT_get_affine_coordinates_GFp
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218 | #define EC_POINT_mul wolfSSL_EC_POINT_mul
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219 | #define EC_POINT_clear_free wolfSSL_EC_POINT_clear_free
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220 | #define EC_POINT_cmp wolfSSL_EC_POINT_cmp
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221 | #define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity
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222 |
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223 | #ifndef HAVE_SELFTEST
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224 | #define EC_POINT_point2hex wolfSSL_EC_POINT_point2hex
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225 | #endif
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226 |
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227 | #define EC_POINT_dump wolfSSL_EC_POINT_dump
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228 |
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229 | #ifdef __cplusplus
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230 | } /* extern "C" */
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231 | #endif
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232 |
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233 | #endif /* header */
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