C++ (Cpp) blake2s_set_lastblock 예제들

예제 #1

파일: blake2s-ref.c 프로젝트: AlexShiLucky/luapower-all

int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )
{
  uint8_t buffer[BLAKE2S_OUTBYTES];

  if(S->outlen != outlen) return -1;

  if( S->buflen > BLAKE2S_BLOCKBYTES )
  {
    blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
    blake2s_compress( S, S->buf );
    S->buflen -= BLAKE2S_BLOCKBYTES;
    memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
  }

  blake2s_increment_counter( S, ( uint32_t )S->buflen );
  blake2s_set_lastblock( S );
  memset( S->buf + S->buflen, 0, 2 * BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
  blake2s_compress( S, S->buf );

  for( int i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
    store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );

  memcpy( out, buffer, outlen );
  return 0;
}

예제 #2

파일: blake2s.c 프로젝트: libtom/libtomcrypt

int blake2s_done(hash_state *md, unsigned char *out)
{
   unsigned char buffer[BLAKE2S_OUTBYTES] = { 0 };
   unsigned long i;

   LTC_ARGCHK(md != NULL);
   LTC_ARGCHK(out != NULL);

   /* if(md->blake2s.outlen != outlen) return CRYPT_INVALID_ARG; */

   if (blake2s_is_lastblock(md))
      return CRYPT_ERROR;

   blake2s_increment_counter(md, md->blake2s.curlen);
   blake2s_set_lastblock(md);
   XMEMSET(md->blake2s.buf + md->blake2s.curlen, 0, BLAKE2S_BLOCKBYTES - md->blake2s.curlen); /* Padding */
   blake2s_compress(md, md->blake2s.buf);

   for (i = 0; i < 8; ++i) /* Output full hash to temp buffer */
      STORE32L(md->blake2s.h[i], buffer + i * 4);

   XMEMCPY(out, buffer, md->blake2s.outlen);
   zeromem(md, sizeof(hash_state));
#ifdef LTC_CLEAN_STACK
   zeromem(buffer, sizeof(buffer));
#endif
   return CRYPT_OK;
}

예제 #3

파일: blake2s.c 프로젝트: Bilibili/openssl

/*
 * Calculate the final hash and save it in md.
 * Always returns 1.
 */
int BLAKE2s_Final(unsigned char *md, BLAKE2S_CTX *c)
{
    int i;

    blake2s_set_lastblock(c);
    /* Padding */
    memset(c->buf + c->buflen, 0, sizeof(c->buf) - c->buflen);
    blake2s_compress(c, c->buf, c->buflen);

    /* Output full hash to temp buffer */
    for (i = 0; i < 8; ++i) {
        store32(md + sizeof(c->h[i]) * i, c->h[i]);
    }

    OPENSSL_cleanse(c, sizeof(BLAKE2S_CTX));
    return 1;
}

예제 #4

파일: blake2s.cpp 프로젝트: BlueSplash/svn-desmume

void blake2s_final( blake2s_state *S, byte *digest )
{
  if( S->buflen > BLAKE2S_BLOCKBYTES )
  {
    blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
    blake2s_compress( S, S->buf );
    S->buflen -= BLAKE2S_BLOCKBYTES;
    memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
  }

  blake2s_increment_counter( S, ( uint32 )S->buflen );
  blake2s_set_lastblock( S );
  memset( S->buf + S->buflen, 0, 2 * BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
  blake2s_compress( S, S->buf );

  for( int i = 0; i < 8; ++i ) /* Output full hash  */
    RawPut4( S->h[i], digest + 4 * i );
}

예제 #5

파일: blake2s.c 프로젝트: wo01/trezor-crypto

int blake2s_Final( blake2s_state *S, void *out, size_t outlen )
{
  uint8_t buffer[BLAKE2S_OUTBYTES] = {0};
  size_t i;

  if( out == NULL || outlen < S->outlen )
    return -1;

  if( blake2s_is_lastblock( S ) )
    return -1;

  blake2s_increment_counter( S, ( uint32_t )S->buflen );
  blake2s_set_lastblock( S );
  memset( S->buf + S->buflen, 0, BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
  blake2s_compress( S, S->buf );

  for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
    store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );

  memcpy( out, buffer, outlen );
  memzero(buffer, sizeof(buffer));
  return 0;
}