stun/sha1.h

   1 /*
   2  * SHA1 hash implementation and interface functions
   3  * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef SHA1_H
  16 #define SHA1_H
  17
  18 #ifdef _WIN32
  19 #include "win32_common.h"
  20 #else
  21 #include <stdint.h>
  22 #endif
  23 #include <stddef.h>
  24
  25 #define SHA1_MAC_LEN 20
  26
  27
  28 struct SHA1Context {
  29         uint32_t state[5];
  30         uint32_t count[2];
  31         unsigned char buffer[64];
  32 };
  33
  34 typedef struct SHA1Context SHA1_CTX;
  35
  36 void SHA1Init(SHA1_CTX *context);
  37 void SHA1Update(SHA1_CTX *context, const void *data, uint32_t len);
  38 void SHA1Final(unsigned char digest[20], SHA1_CTX *context);
  39
  40 void sha1_vector(size_t num_elem, const uint8_t *addr[], const size_t *len,
  41     uint8_t *mac);
  42 void hmac_sha1_vector(const uint8_t *key, size_t key_len, size_t num_elem,
  43     const uint8_t *addr[], const size_t *len, uint8_t *mac);
  44 void hmac_sha1(const uint8_t *key, size_t key_len,
  45     const uint8_t *data, size_t data_len, uint8_t *mac);
  46 void sha1_prf(const uint8_t *key, size_t key_len, const char *label,
  47     const uint8_t *data, size_t data_len, uint8_t *buf, size_t buf_len);
  48
  49 #endif /* SHA1_H */