src/ext/compat_blake2.h

   1 /* Copyright (c) 2023, The Tor Project, Inc. */
   2 /* See LICENSE for licensing information */
   3
   4 /**
   5  * \file compat_blake2.h
   6  *
   7  * \brief Compatibility adapter providing blake2b using ext/equix/hashx
   8  **/
   9
  10 #ifndef TOR_COMPAT_BLAKE2_H
  11 #define TOR_COMPAT_BLAKE2_H
  12
  13 #include <stddef.h>
  14 #include <string.h>
  15 #include "lib/cc/compat_compiler.h"
  16 #include "ext/equix/hashx/src/blake2.h"
  17
  18 static inline int
  19 blake2b_init_param(blake2b_state *S, const blake2b_param *P)
  20 {
  21     return hashx_blake2b_init_param(S, P);
  22 }
  23
  24 static inline int
  25 blake2b_init(blake2b_state *S, const uint8_t digest_length)
  26 {
  27     blake2b_param P;
  28     memset(&P, 0, sizeof P);
  29     P.digest_length = digest_length;
  30     P.fanout = 1;
  31     P.depth = 1;
  32     return blake2b_init_param(S, &P);
  33 }
  34
  35 static inline int
  36 blake2b_update(blake2b_state *S, const uint8_t *in, uint64_t inlen)
  37 {
  38     return hashx_blake2b_update(S, in, inlen);
  39 }
  40
  41 static inline int
  42 blake2b_final(blake2b_state *S, uint8_t *out, uint8_t outlen)
  43 {
  44     return hashx_blake2b_final(S, out, outlen);
  45 }
  46
  47 #endif /* !defined(TOR_COMPAT_BLAKE2_H) */