src/crypto/sha256_i.h

   1 /*
   2  * SHA-256 internal definitions
   3  * Copyright (c) 2003-2011, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #ifndef SHA256_I_H
  10 #define SHA256_I_H
  11
  12 #define SHA256_BLOCK_SIZE 64
  13
  14 struct sha256_state {
  15         u64 length;
  16         u32 state[8], curlen;
  17         u8 buf[SHA256_BLOCK_SIZE];
  18 };
  19
  20 void sha256_init(struct sha256_state *md);
  21 int sha256_process(struct sha256_state *md, const unsigned char *in,
  22                    unsigned long inlen);
  23 int sha256_done(struct sha256_state *md, unsigned char *out);
  24
  25 #endif /* SHA256_I_H */