Xuyi Wang / wolfSSL

Dependents:   OS

Committer:
wolfSSL
Date:
Sat Aug 18 22:20:43 2018 +0000
Revision:
15:117db924cf7c
wolfSSL 3.15.3

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wolfSSL 15:117db924cf7c 1 /* srp.h
wolfSSL 15:117db924cf7c 2 *
wolfSSL 15:117db924cf7c 3 * Copyright (C) 2006-2017 wolfSSL Inc.
wolfSSL 15:117db924cf7c 4 *
wolfSSL 15:117db924cf7c 5 * This file is part of wolfSSL.
wolfSSL 15:117db924cf7c 6 *
wolfSSL 15:117db924cf7c 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 15:117db924cf7c 8 * it under the terms of the GNU General Public License as published by
wolfSSL 15:117db924cf7c 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 15:117db924cf7c 10 * (at your option) any later version.
wolfSSL 15:117db924cf7c 11 *
wolfSSL 15:117db924cf7c 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 15:117db924cf7c 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 15:117db924cf7c 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 15:117db924cf7c 15 * GNU General Public License for more details.
wolfSSL 15:117db924cf7c 16 *
wolfSSL 15:117db924cf7c 17 * You should have received a copy of the GNU General Public License
wolfSSL 15:117db924cf7c 18 * along with this program; if not, write to the Free Software
wolfSSL 15:117db924cf7c 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 15:117db924cf7c 20 */
wolfSSL 15:117db924cf7c 21
wolfSSL 15:117db924cf7c 22 /*!
wolfSSL 15:117db924cf7c 23 \file wolfssl/wolfcrypt/srp.h
wolfSSL 15:117db924cf7c 24 */
wolfSSL 15:117db924cf7c 25
wolfSSL 15:117db924cf7c 26 #ifdef WOLFCRYPT_HAVE_SRP
wolfSSL 15:117db924cf7c 27
wolfSSL 15:117db924cf7c 28 #ifndef WOLFCRYPT_SRP_H
wolfSSL 15:117db924cf7c 29 #define WOLFCRYPT_SRP_H
wolfSSL 15:117db924cf7c 30
wolfSSL 15:117db924cf7c 31 #include <wolfssl/wolfcrypt/types.h>
wolfSSL 15:117db924cf7c 32 #include <wolfssl/wolfcrypt/sha.h>
wolfSSL 15:117db924cf7c 33 #include <wolfssl/wolfcrypt/sha256.h>
wolfSSL 15:117db924cf7c 34 #include <wolfssl/wolfcrypt/sha512.h>
wolfSSL 15:117db924cf7c 35 #include <wolfssl/wolfcrypt/integer.h>
wolfSSL 15:117db924cf7c 36
wolfSSL 15:117db924cf7c 37 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 38 extern "C" {
wolfSSL 15:117db924cf7c 39 #endif
wolfSSL 15:117db924cf7c 40
wolfSSL 15:117db924cf7c 41 /* Select the largest available hash for the buffer size. */
wolfSSL 15:117db924cf7c 42 #if defined(WOLFSSL_SHA512)
wolfSSL 15:117db924cf7c 43 #define SRP_MAX_DIGEST_SIZE WC_SHA512_DIGEST_SIZE
wolfSSL 15:117db924cf7c 44 #elif defined(WOLFSSL_SHA384)
wolfSSL 15:117db924cf7c 45 #define SRP_MAX_DIGEST_SIZE WC_SHA384_DIGEST_SIZE
wolfSSL 15:117db924cf7c 46 #elif !defined(NO_SHA256)
wolfSSL 15:117db924cf7c 47 #define SRP_MAX_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
wolfSSL 15:117db924cf7c 48 #elif !defined(NO_SHA)
wolfSSL 15:117db924cf7c 49 #define SRP_MAX_DIGEST_SIZE WC_SHA_DIGEST_SIZE
wolfSSL 15:117db924cf7c 50 #else
wolfSSL 15:117db924cf7c 51 #error "You have to have some kind of SHA hash if you want to use SRP."
wolfSSL 15:117db924cf7c 52 #endif
wolfSSL 15:117db924cf7c 53
wolfSSL 15:117db924cf7c 54 /* Set the minimum number of bits acceptable in an SRP modulus */
wolfSSL 15:117db924cf7c 55 #define SRP_MODULUS_MIN_BITS 512
wolfSSL 15:117db924cf7c 56
wolfSSL 15:117db924cf7c 57 /* Set the minimum number of bits acceptable for private keys (RFC 5054) */
wolfSSL 15:117db924cf7c 58 #define SRP_PRIVATE_KEY_MIN_BITS 256
wolfSSL 15:117db924cf7c 59
wolfSSL 15:117db924cf7c 60 /* salt size for SRP password */
wolfSSL 15:117db924cf7c 61 #define SRP_SALT_SIZE 16
wolfSSL 15:117db924cf7c 62
wolfSSL 15:117db924cf7c 63 /**
wolfSSL 15:117db924cf7c 64 * SRP side, client or server.
wolfSSL 15:117db924cf7c 65 */
wolfSSL 15:117db924cf7c 66 typedef enum {
wolfSSL 15:117db924cf7c 67 SRP_CLIENT_SIDE = 0,
wolfSSL 15:117db924cf7c 68 SRP_SERVER_SIDE = 1,
wolfSSL 15:117db924cf7c 69 } SrpSide;
wolfSSL 15:117db924cf7c 70
wolfSSL 15:117db924cf7c 71 /**
wolfSSL 15:117db924cf7c 72 * SRP hash type, SHA[1|256|384|512].
wolfSSL 15:117db924cf7c 73 */
wolfSSL 15:117db924cf7c 74 typedef enum {
wolfSSL 15:117db924cf7c 75 SRP_TYPE_SHA = 1,
wolfSSL 15:117db924cf7c 76 SRP_TYPE_SHA256 = 2,
wolfSSL 15:117db924cf7c 77 SRP_TYPE_SHA384 = 3,
wolfSSL 15:117db924cf7c 78 SRP_TYPE_SHA512 = 4,
wolfSSL 15:117db924cf7c 79 } SrpType;
wolfSSL 15:117db924cf7c 80
wolfSSL 15:117db924cf7c 81
wolfSSL 15:117db924cf7c 82 /**
wolfSSL 15:117db924cf7c 83 * SRP hash struct.
wolfSSL 15:117db924cf7c 84 */
wolfSSL 15:117db924cf7c 85 typedef struct {
wolfSSL 15:117db924cf7c 86 byte type;
wolfSSL 15:117db924cf7c 87 union {
wolfSSL 15:117db924cf7c 88 #ifndef NO_SHA
wolfSSL 15:117db924cf7c 89 wc_Sha sha;
wolfSSL 15:117db924cf7c 90 #endif
wolfSSL 15:117db924cf7c 91 #ifndef NO_SHA256
wolfSSL 15:117db924cf7c 92 wc_Sha256 sha256;
wolfSSL 15:117db924cf7c 93 #endif
wolfSSL 15:117db924cf7c 94 #ifdef WOLFSSL_SHA384
wolfSSL 15:117db924cf7c 95 wc_Sha384 sha384;
wolfSSL 15:117db924cf7c 96 #endif
wolfSSL 15:117db924cf7c 97 #ifdef WOLFSSL_SHA512
wolfSSL 15:117db924cf7c 98 wc_Sha512 sha512;
wolfSSL 15:117db924cf7c 99 #endif
wolfSSL 15:117db924cf7c 100 } data;
wolfSSL 15:117db924cf7c 101 } SrpHash;
wolfSSL 15:117db924cf7c 102
wolfSSL 15:117db924cf7c 103 typedef struct Srp {
wolfSSL 15:117db924cf7c 104 SrpSide side; /**< Client or Server, @see SrpSide. */
wolfSSL 15:117db924cf7c 105 SrpType type; /**< Hash type, @see SrpType. */
wolfSSL 15:117db924cf7c 106 byte* user; /**< Username, login. */
wolfSSL 15:117db924cf7c 107 word32 userSz; /**< Username length. */
wolfSSL 15:117db924cf7c 108 byte* salt; /**< Small salt. */
wolfSSL 15:117db924cf7c 109 word32 saltSz; /**< Salt length. */
wolfSSL 15:117db924cf7c 110 mp_int N; /**< Modulus. N = 2q+1, [q, N] are primes.*/
wolfSSL 15:117db924cf7c 111 mp_int g; /**< Generator. A generator modulo N. */
wolfSSL 15:117db924cf7c 112 byte k[SRP_MAX_DIGEST_SIZE]; /**< Multiplier parameter. k = H(N, g) */
wolfSSL 15:117db924cf7c 113 mp_int auth; /**< Client: x = H(salt + H(user:pswd)) */
wolfSSL 15:117db924cf7c 114 /**< Server: v = g ^ x % N */
wolfSSL 15:117db924cf7c 115 mp_int priv; /**< Private ephemeral value. */
wolfSSL 15:117db924cf7c 116 SrpHash client_proof; /**< Client proof. Sent to the Server. */
wolfSSL 15:117db924cf7c 117 SrpHash server_proof; /**< Server proof. Sent to the Client. */
wolfSSL 15:117db924cf7c 118 byte* key; /**< Session key. */
wolfSSL 15:117db924cf7c 119 word32 keySz; /**< Session key length. */
wolfSSL 15:117db924cf7c 120 int (*keyGenFunc_cb) (struct Srp* srp, byte* secret, word32 size);
wolfSSL 15:117db924cf7c 121 /**< Function responsible for generating the session key. */
wolfSSL 15:117db924cf7c 122 /**< It MUST use XMALLOC with type DYNAMIC_TYPE_SRP to allocate the */
wolfSSL 15:117db924cf7c 123 /**< key buffer for this structure and set keySz to the buffer size. */
wolfSSL 15:117db924cf7c 124 /**< The default function used by this implementation is a modified */
wolfSSL 15:117db924cf7c 125 /**< version of t_mgf1 that uses the proper hash function according */
wolfSSL 15:117db924cf7c 126 /**< to srp->type. */
wolfSSL 15:117db924cf7c 127 void* heap; /**< heap hint pointer */
wolfSSL 15:117db924cf7c 128 } Srp;
wolfSSL 15:117db924cf7c 129
wolfSSL 15:117db924cf7c 130 /**
wolfSSL 15:117db924cf7c 131 * Initializes the Srp struct for usage.
wolfSSL 15:117db924cf7c 132 *
wolfSSL 15:117db924cf7c 133 * @param[out] srp the Srp structure to be initialized.
wolfSSL 15:117db924cf7c 134 * @param[in] type the hash type to be used.
wolfSSL 15:117db924cf7c 135 * @param[in] side the side of the communication.
wolfSSL 15:117db924cf7c 136 *
wolfSSL 15:117db924cf7c 137 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 138 */
wolfSSL 15:117db924cf7c 139 WOLFSSL_API int wc_SrpInit(Srp* srp, SrpType type, SrpSide side);
wolfSSL 15:117db924cf7c 140
wolfSSL 15:117db924cf7c 141 /**
wolfSSL 15:117db924cf7c 142 * Releases the Srp struct resources after usage.
wolfSSL 15:117db924cf7c 143 *
wolfSSL 15:117db924cf7c 144 * @param[in,out] srp the Srp structure to be terminated.
wolfSSL 15:117db924cf7c 145 */
wolfSSL 15:117db924cf7c 146 WOLFSSL_API void wc_SrpTerm(Srp* srp);
wolfSSL 15:117db924cf7c 147
wolfSSL 15:117db924cf7c 148 /**
wolfSSL 15:117db924cf7c 149 * Sets the username.
wolfSSL 15:117db924cf7c 150 *
wolfSSL 15:117db924cf7c 151 * This function MUST be called after wc_SrpInit.
wolfSSL 15:117db924cf7c 152 *
wolfSSL 15:117db924cf7c 153 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 154 * @param[in] username the buffer containing the username.
wolfSSL 15:117db924cf7c 155 * @param[in] size the username size in bytes
wolfSSL 15:117db924cf7c 156 *
wolfSSL 15:117db924cf7c 157 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 158 */
wolfSSL 15:117db924cf7c 159 WOLFSSL_API int wc_SrpSetUsername(Srp* srp, const byte* username, word32 size);
wolfSSL 15:117db924cf7c 160
wolfSSL 15:117db924cf7c 161
wolfSSL 15:117db924cf7c 162 /**
wolfSSL 15:117db924cf7c 163 * Sets the srp parameters based on the username.
wolfSSL 15:117db924cf7c 164 *
wolfSSL 15:117db924cf7c 165 * This function MUST be called after wc_SrpSetUsername.
wolfSSL 15:117db924cf7c 166 *
wolfSSL 15:117db924cf7c 167 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 168 * @param[in] N the Modulus. N = 2q+1, [q, N] are primes.
wolfSSL 15:117db924cf7c 169 * @param[in] nSz the N size in bytes.
wolfSSL 15:117db924cf7c 170 * @param[in] g the Generator modulo N.
wolfSSL 15:117db924cf7c 171 * @param[in] gSz the g size in bytes
wolfSSL 15:117db924cf7c 172 * @param[in] salt a small random salt. Specific for each username.
wolfSSL 15:117db924cf7c 173 * @param[in] saltSz the salt size in bytes
wolfSSL 15:117db924cf7c 174 *
wolfSSL 15:117db924cf7c 175 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 176 */
wolfSSL 15:117db924cf7c 177 WOLFSSL_API int wc_SrpSetParams(Srp* srp, const byte* N, word32 nSz,
wolfSSL 15:117db924cf7c 178 const byte* g, word32 gSz,
wolfSSL 15:117db924cf7c 179 const byte* salt, word32 saltSz);
wolfSSL 15:117db924cf7c 180
wolfSSL 15:117db924cf7c 181 /**
wolfSSL 15:117db924cf7c 182 * Sets the password.
wolfSSL 15:117db924cf7c 183 *
wolfSSL 15:117db924cf7c 184 * Setting the password does not persists the clear password data in the
wolfSSL 15:117db924cf7c 185 * srp structure. The client calculates x = H(salt + H(user:pswd)) and stores
wolfSSL 15:117db924cf7c 186 * it in the auth field.
wolfSSL 15:117db924cf7c 187 *
wolfSSL 15:117db924cf7c 188 * This function MUST be called after wc_SrpSetParams and is CLIENT SIDE ONLY.
wolfSSL 15:117db924cf7c 189 *
wolfSSL 15:117db924cf7c 190 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 191 * @param[in] password the buffer containing the password.
wolfSSL 15:117db924cf7c 192 * @param[in] size the password size in bytes.
wolfSSL 15:117db924cf7c 193 *
wolfSSL 15:117db924cf7c 194 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 195 */
wolfSSL 15:117db924cf7c 196 WOLFSSL_API int wc_SrpSetPassword(Srp* srp, const byte* password, word32 size);
wolfSSL 15:117db924cf7c 197
wolfSSL 15:117db924cf7c 198 /**
wolfSSL 15:117db924cf7c 199 * Sets the verifier.
wolfSSL 15:117db924cf7c 200 *
wolfSSL 15:117db924cf7c 201 * This function MUST be called after wc_SrpSetParams and is SERVER SIDE ONLY.
wolfSSL 15:117db924cf7c 202 *
wolfSSL 15:117db924cf7c 203 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 204 * @param[in] verifier the buffer containing the verifier.
wolfSSL 15:117db924cf7c 205 * @param[in] size the verifier size in bytes.
wolfSSL 15:117db924cf7c 206 *
wolfSSL 15:117db924cf7c 207 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 208 */
wolfSSL 15:117db924cf7c 209 WOLFSSL_API int wc_SrpSetVerifier(Srp* srp, const byte* verifier, word32 size);
wolfSSL 15:117db924cf7c 210
wolfSSL 15:117db924cf7c 211 /**
wolfSSL 15:117db924cf7c 212 * Gets the verifier.
wolfSSL 15:117db924cf7c 213 *
wolfSSL 15:117db924cf7c 214 * The client calculates the verifier with v = g ^ x % N.
wolfSSL 15:117db924cf7c 215 * This function MAY be called after wc_SrpSetPassword and is CLIENT SIDE ONLY.
wolfSSL 15:117db924cf7c 216 *
wolfSSL 15:117db924cf7c 217 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 218 * @param[out] verifier the buffer to write the verifier.
wolfSSL 15:117db924cf7c 219 * @param[in,out] size the buffer size in bytes. Will be updated with the
wolfSSL 15:117db924cf7c 220 * verifier size.
wolfSSL 15:117db924cf7c 221 *
wolfSSL 15:117db924cf7c 222 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 223 */
wolfSSL 15:117db924cf7c 224 WOLFSSL_API int wc_SrpGetVerifier(Srp* srp, byte* verifier, word32* size);
wolfSSL 15:117db924cf7c 225
wolfSSL 15:117db924cf7c 226 /**
wolfSSL 15:117db924cf7c 227 * Sets the private ephemeral value.
wolfSSL 15:117db924cf7c 228 *
wolfSSL 15:117db924cf7c 229 * The private ephemeral value is known as:
wolfSSL 15:117db924cf7c 230 * a at the client side. a = random()
wolfSSL 15:117db924cf7c 231 * b at the server side. b = random()
wolfSSL 15:117db924cf7c 232 * This function is handy for unit test cases or if the developer wants to use
wolfSSL 15:117db924cf7c 233 * an external random source to set the ephemeral value.
wolfSSL 15:117db924cf7c 234 * This function MAY be called before wc_SrpGetPublic.
wolfSSL 15:117db924cf7c 235 *
wolfSSL 15:117db924cf7c 236 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 237 * @param[in] priv the ephemeral value.
wolfSSL 15:117db924cf7c 238 * @param[in] size the private size in bytes.
wolfSSL 15:117db924cf7c 239 *
wolfSSL 15:117db924cf7c 240 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 241 */
wolfSSL 15:117db924cf7c 242 WOLFSSL_API int wc_SrpSetPrivate(Srp* srp, const byte* priv, word32 size);
wolfSSL 15:117db924cf7c 243
wolfSSL 15:117db924cf7c 244 /**
wolfSSL 15:117db924cf7c 245 * Gets the public ephemeral value.
wolfSSL 15:117db924cf7c 246 *
wolfSSL 15:117db924cf7c 247 * The public ephemeral value is known as:
wolfSSL 15:117db924cf7c 248 * A at the client side. A = g ^ a % N
wolfSSL 15:117db924cf7c 249 * B at the server side. B = (k * v + (g ˆ b % N)) % N
wolfSSL 15:117db924cf7c 250 * This function MUST be called after wc_SrpSetPassword or wc_SrpSetVerifier.
wolfSSL 15:117db924cf7c 251 *
wolfSSL 15:117db924cf7c 252 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 253 * @param[out] pub the buffer to write the public ephemeral value.
wolfSSL 15:117db924cf7c 254 * @param[in,out] size the the buffer size in bytes. Will be updated with
wolfSSL 15:117db924cf7c 255 * the ephemeral value size.
wolfSSL 15:117db924cf7c 256 *
wolfSSL 15:117db924cf7c 257 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 258 */
wolfSSL 15:117db924cf7c 259 WOLFSSL_API int wc_SrpGetPublic(Srp* srp, byte* pub, word32* size);
wolfSSL 15:117db924cf7c 260
wolfSSL 15:117db924cf7c 261
wolfSSL 15:117db924cf7c 262 /**
wolfSSL 15:117db924cf7c 263 * Computes the session key.
wolfSSL 15:117db924cf7c 264 *
wolfSSL 15:117db924cf7c 265 * The key can be accessed at srp->key after success.
wolfSSL 15:117db924cf7c 266 *
wolfSSL 15:117db924cf7c 267 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 268 * @param[in] clientPubKey the client's public ephemeral value.
wolfSSL 15:117db924cf7c 269 * @param[in] clientPubKeySz the client's public ephemeral value size.
wolfSSL 15:117db924cf7c 270 * @param[in] serverPubKey the server's public ephemeral value.
wolfSSL 15:117db924cf7c 271 * @param[in] serverPubKeySz the server's public ephemeral value size.
wolfSSL 15:117db924cf7c 272 *
wolfSSL 15:117db924cf7c 273 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 274 */
wolfSSL 15:117db924cf7c 275 WOLFSSL_API int wc_SrpComputeKey(Srp* srp,
wolfSSL 15:117db924cf7c 276 byte* clientPubKey, word32 clientPubKeySz,
wolfSSL 15:117db924cf7c 277 byte* serverPubKey, word32 serverPubKeySz);
wolfSSL 15:117db924cf7c 278
wolfSSL 15:117db924cf7c 279 /**
wolfSSL 15:117db924cf7c 280 * Gets the proof.
wolfSSL 15:117db924cf7c 281 *
wolfSSL 15:117db924cf7c 282 * This function MUST be called after wc_SrpComputeKey.
wolfSSL 15:117db924cf7c 283 *
wolfSSL 15:117db924cf7c 284 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 285 * @param[out] proof the buffer to write the proof.
wolfSSL 15:117db924cf7c 286 * @param[in,out] size the buffer size in bytes. Will be updated with the
wolfSSL 15:117db924cf7c 287 * proof size.
wolfSSL 15:117db924cf7c 288 *
wolfSSL 15:117db924cf7c 289 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 290 */
wolfSSL 15:117db924cf7c 291 WOLFSSL_API int wc_SrpGetProof(Srp* srp, byte* proof, word32* size);
wolfSSL 15:117db924cf7c 292
wolfSSL 15:117db924cf7c 293 /**
wolfSSL 15:117db924cf7c 294 * Verifies the peers proof.
wolfSSL 15:117db924cf7c 295 *
wolfSSL 15:117db924cf7c 296 * This function MUST be called before wc_SrpGetSessionKey.
wolfSSL 15:117db924cf7c 297 *
wolfSSL 15:117db924cf7c 298 * @param[in,out] srp the Srp structure.
wolfSSL 15:117db924cf7c 299 * @param[in] proof the peers proof.
wolfSSL 15:117db924cf7c 300 * @param[in] size the proof size in bytes.
wolfSSL 15:117db924cf7c 301 *
wolfSSL 15:117db924cf7c 302 * @return 0 on success, {@literal <} 0 on error. @see error-crypt.h
wolfSSL 15:117db924cf7c 303 */
wolfSSL 15:117db924cf7c 304 WOLFSSL_API int wc_SrpVerifyPeersProof(Srp* srp, byte* proof, word32 size);
wolfSSL 15:117db924cf7c 305
wolfSSL 15:117db924cf7c 306 #ifdef __cplusplus
wolfSSL 15:117db924cf7c 307 } /* extern "C" */
wolfSSL 15:117db924cf7c 308 #endif
wolfSSL 15:117db924cf7c 309
wolfSSL 15:117db924cf7c 310 #endif /* WOLFCRYPT_SRP_H */
wolfSSL 15:117db924cf7c 311 #endif /* WOLFCRYPT_HAVE_SRP */
wolfSSL 15:117db924cf7c 312