gerrit.fd Code Review - trex.git/blob

   1
   2 #include "api.h"
   3 #include "crypto_auth_hmacsha512256.h"
   4 #include "crypto_auth_hmacsha512.h"
   5 #include "crypto_hash_sha512.h"
   6 #include "utils.h"
   7
   8 #include <sys/types.h>
   9
  10 #include <stdint.h>
  11 #include <string.h>
  12
  13 int
  14 crypto_auth_hmacsha512256_init(crypto_auth_hmacsha512256_state *state,
  15                                const unsigned char *key,
  16                                size_t keylen)
  17 {
  18     return crypto_auth_hmacsha512_init((crypto_auth_hmacsha512_state *) state,
  19                                        key, keylen);
  20 }
  21
  22 int
  23 crypto_auth_hmacsha512256_update(crypto_auth_hmacsha512256_state *state,
  24                                  const unsigned char *in,
  25                                  unsigned long long inlen)
  26 {
  27     return crypto_auth_hmacsha512_update((crypto_auth_hmacsha512_state *) state,
  28                                          in, inlen);
  29 }
  30
  31 int
  32 crypto_auth_hmacsha512256_final(crypto_auth_hmacsha512256_state *state,
  33                                 unsigned char *out)
  34 {
  35     unsigned char out0[64];
  36
  37     crypto_auth_hmacsha512_final((crypto_auth_hmacsha512_state *) state, out0);
  38     memcpy(out, out0, 32);
  39
  40     return 0;
  41 }
  42
  43 int
  44 crypto_auth(unsigned char *out, const unsigned char *in,
  45             unsigned long long inlen, const unsigned char *k)
  46 {
  47     crypto_auth_hmacsha512256_state state;
  48
  49     crypto_auth_hmacsha512256_init(&state, k, crypto_auth_KEYBYTES);
  50     crypto_auth_hmacsha512256_update(&state, in, inlen);
  51     crypto_auth_hmacsha512256_final(&state, out);
  52
  53     return 0;
  54 }