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annotate deps/Platinum/ThirdParty/Neptune/ThirdParty/axTLS/crypto/crypto.h @ 0:3425707ddbf6

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author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*
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2 * Copyright (c) 2007, Cameron Rich
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3 *
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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 are met:
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8 *
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9 * * Redistributions of source code must retain the above copyright notice,
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10 * this list of conditions and the following disclaimer.
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11 * * Redistributions in binary form must reproduce the above copyright notice,
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12 * this list of conditions and the following disclaimer in the documentation
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13 * and/or other materials provided with the distribution.
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14 * * Neither the name of the axTLS project nor the names of its contributors
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15 * may be used to endorse or promote products derived from this software
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16 * without specific prior written permission.
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17 *
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18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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25 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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26 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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27 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 */
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30
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31 /**
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32 * @file crypto.h
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33 */
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34
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35 #ifndef HEADER_CRYPTO_H
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36 #define HEADER_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 #include "config.h"
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43 #include "os_port.h"
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44 #include "bigint_impl.h"
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45 #include "bigint.h"
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46
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47 /* enable features based on a 'super-set' capbaility. */
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48 #if defined(CONFIG_SSL_FULL_MODE)
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49 #define CONFIG_SSL_ENABLE_CLIENT
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50 #define CONFIG_SSL_CERT_VERIFICATION
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51 #elif defined(CONFIG_SSL_ENABLE_CLIENT)
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52 #define CONFIG_SSL_CERT_VERIFICATION
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53 #endif
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54
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55 /**************************************************************************
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56 * AES declarations
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57 **************************************************************************/
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58
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59 #define AES_MAXROUNDS 14
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60 #define AES_BLOCKSIZE 16
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61 #define AES_IV_SIZE 16
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62
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63 typedef struct aes_key_st
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64 {
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65 uint16_t rounds;
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66 uint16_t key_size;
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67 uint32_t ks[(AES_MAXROUNDS+1)*8];
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68 uint8_t iv[AES_IV_SIZE];
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69 } AES_CTX;
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70
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71 typedef enum
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72 {
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73 AES_MODE_128,
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74 AES_MODE_256
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75 } AES_MODE;
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76
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77 void AES_set_key(AES_CTX *ctx, const uint8_t *key,
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78 const uint8_t *iv, AES_MODE mode);
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79 void AES_cbc_encrypt(AES_CTX *ctx, const uint8_t *msg,
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80 uint8_t *out, int length);
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81 void AES_cbc_decrypt(AES_CTX *ks, const uint8_t *in, uint8_t *out, int length);
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82 void AES_convert_key(AES_CTX *ctx);
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83
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84 /**************************************************************************
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85 * RC4 declarations
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86 **************************************************************************/
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87
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88 typedef struct
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89 {
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90 uint8_t x, y, m[256];
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91 } RC4_CTX;
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92
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93 void RC4_setup(RC4_CTX *s, const uint8_t *key, int length);
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94 void RC4_crypt(RC4_CTX *s, const uint8_t *msg, uint8_t *data, int length);
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95
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96 /**************************************************************************
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97 * SHA1 declarations
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98 **************************************************************************/
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99
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100 #define SHA1_SIZE 20
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101
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102 /*
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103 * This structure will hold context information for the SHA-1
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104 * hashing operation
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105 */
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106 typedef struct
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107 {
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108 uint32_t Intermediate_Hash[SHA1_SIZE/4]; /* Message Digest */
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109 uint32_t Length_Low; /* Message length in bits */
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110 uint32_t Length_High; /* Message length in bits */
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111 uint16_t Message_Block_Index; /* Index into message block array */
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112 uint8_t Message_Block[64]; /* 512-bit message blocks */
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113 } SHA1_CTX;
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114
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115 void SHA1_Init(SHA1_CTX *);
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116 void SHA1_Update(SHA1_CTX *, const uint8_t * msg, int len);
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117 void SHA1_Final(uint8_t *digest, SHA1_CTX *);
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118
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119 /**************************************************************************
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120 * MD2 declarations
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121 **************************************************************************/
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122
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123 #define MD2_SIZE 16
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124
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125 typedef struct
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126 {
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127 unsigned char cksum[16]; /* checksum of the data block */
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128 unsigned char state[48]; /* intermediate digest state */
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129 unsigned char buffer[16]; /* data block being processed */
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130 int left; /* amount of data in buffer */
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131 } MD2_CTX;
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132
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133 EXP_FUNC void STDCALL MD2_Init(MD2_CTX *ctx);
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134 EXP_FUNC void STDCALL MD2_Update(MD2_CTX *ctx, const uint8_t *input, int ilen);
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135 EXP_FUNC void STDCALL MD2_Final(uint8_t *digest, MD2_CTX *ctx);
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136
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137 /**************************************************************************
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138 * MD5 declarations
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139 **************************************************************************/
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140
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141 #define MD5_SIZE 16
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142
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143 typedef struct
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144 {
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145 uint32_t state[4]; /* state (ABCD) */
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146 uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
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147 uint8_t buffer[64]; /* input buffer */
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148 } MD5_CTX;
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149
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150 EXP_FUNC void STDCALL MD5_Init(MD5_CTX *);
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151 EXP_FUNC void STDCALL MD5_Update(MD5_CTX *, const uint8_t *msg, int len);
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152 EXP_FUNC void STDCALL MD5_Final(uint8_t *digest, MD5_CTX *);
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153
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154 /**************************************************************************
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155 * HMAC declarations
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156 **************************************************************************/
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157 void hmac_md5(const uint8_t *msg, int length, const uint8_t *key,
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158 int key_len, uint8_t *digest);
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159 void hmac_sha1(const uint8_t *msg, int length, const uint8_t *key,
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160 int key_len, uint8_t *digest);
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161
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162 /**************************************************************************
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163 * RSA declarations
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164 **************************************************************************/
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165
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166 typedef struct
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167 {
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168 bigint *m; /* modulus */
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169 bigint *e; /* public exponent */
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170 bigint *d; /* private exponent */
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171 #ifdef CONFIG_BIGINT_CRT
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172 bigint *p; /* p as in m = pq */
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173 bigint *q; /* q as in m = pq */
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174 bigint *dP; /* d mod (p-1) */
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175 bigint *dQ; /* d mod (q-1) */
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176 bigint *qInv; /* q^-1 mod p */
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177 #endif
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178 int num_octets;
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179 BI_CTX *bi_ctx;
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180 } RSA_CTX;
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181
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182 void RSA_priv_key_new(RSA_CTX **rsa_ctx,
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183 const uint8_t *modulus, int mod_len,
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184 const uint8_t *pub_exp, int pub_len,
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185 const uint8_t *priv_exp, int priv_len
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186 #ifdef CONFIG_BIGINT_CRT
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187 , const uint8_t *p, int p_len,
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188 const uint8_t *q, int q_len,
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189 const uint8_t *dP, int dP_len,
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190 const uint8_t *dQ, int dQ_len,
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191 const uint8_t *qInv, int qInv_len
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192 #endif
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193 );
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194 void RSA_pub_key_new(RSA_CTX **rsa_ctx,
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195 const uint8_t *modulus, int mod_len,
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196 const uint8_t *pub_exp, int pub_len);
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197 void RSA_free(RSA_CTX *ctx);
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198 int RSA_decrypt(const RSA_CTX *ctx, const uint8_t *in_data, uint8_t *out_data,
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199 int is_decryption);
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200 bigint *RSA_private(const RSA_CTX *c, bigint *bi_msg);
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201 #if defined(CONFIG_SSL_CERT_VERIFICATION) || defined(CONFIG_SSL_GENERATE_X509_CERT)
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202 bigint *RSA_sign_verify(BI_CTX *ctx, const uint8_t *sig, int sig_len,
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203 bigint *modulus, bigint *pub_exp);
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204 bigint *RSA_public(const RSA_CTX * c, bigint *bi_msg);
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205 int RSA_encrypt(const RSA_CTX *ctx, const uint8_t *in_data, uint16_t in_len,
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206 uint8_t *out_data, int is_signing);
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207 void RSA_print(const RSA_CTX *ctx);
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208 #endif
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209
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210 /**************************************************************************
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211 * RNG declarations
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212 **************************************************************************/
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213 EXP_FUNC void STDCALL RNG_initialize(const uint8_t *seed_buf, int size);
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214 EXP_FUNC void STDCALL RNG_terminate(void);
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215 EXP_FUNC void STDCALL get_random(unsigned int num_rand_bytes, uint8_t *rand_data);
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216 void get_random_NZ(int num_rand_bytes, uint8_t *rand_data);
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217
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218 #ifdef __cplusplus
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219 }
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220 #endif
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221
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222 #endif