gerrit.fd Code Review - trex.git/blob

   1 #ifndef crypto_hash_sha256_H
   2 #define crypto_hash_sha256_H
   3
   4 /*
   5  * WARNING: Unless you absolutely need to use SHA256 for interoperatibility,
   6  * purposes, you might want to consider crypto_generichash() instead.
   7  * Unlike SHA256, crypto_generichash() is not vulnerable to length
   8  * extension attacks.
   9  */
  10
  11 #include <stddef.h>
  12 #include <stdint.h>
  13 #include <stdlib.h>
  14
  15 #include "export.h"
  16
  17 #ifdef __cplusplus
  18 # if __GNUC__
  19 #  pragma GCC diagnostic ignored "-Wlong-long"
  20 # endif
  21 extern "C" {
  22 #endif
  23
  24 typedef struct crypto_hash_sha256_state {
  25     uint32_t      state[8];
  26     uint32_t      count[2];
  27     unsigned char buf[64];
  28 } crypto_hash_sha256_state;
  29
  30 #define crypto_hash_sha256_BYTES 32U
  31 SODIUM_EXPORT
  32 size_t crypto_hash_sha256_bytes(void);
  33
  34 SODIUM_EXPORT
  35 int crypto_hash_sha256(unsigned char *out, const unsigned char *in,
  36                        unsigned long long inlen);
  37
  38 SODIUM_EXPORT
  39 int crypto_hash_sha256_init(crypto_hash_sha256_state *state);
  40
  41 SODIUM_EXPORT
  42 int crypto_hash_sha256_update(crypto_hash_sha256_state *state,
  43                               const unsigned char *in,
  44                               unsigned long long inlen);
  45
  46 SODIUM_EXPORT
  47 int crypto_hash_sha256_final(crypto_hash_sha256_state *state,
  48                              unsigned char *out);
  49
  50 #ifdef __cplusplus
  51 }
  52 #endif
  53
  54 #endif