Function blake2sp_final

Libraries/unrar/blake2sp.cpp:131–153

void blake2sp_final( blake2sp_state *S, byte *digest )
{
  byte hash[PARALLELISM_DEGREE][BLAKE2S_OUTBYTES];

  for( size_t i = 0; i < PARALLELISM_DEGREE; ++i )
  {
    if( S->buflen > i * BLAKE2S_BLOCKBYTES )
    {
      size_t left = S->buflen - i * BLAKE2S_BLOCKBYTES;

      if( left > BLAKE2S_BLOCKBYTES ) left = BLAKE2S_BLOCKBYTES;

      blake2s_update( &S->S[i], S->buf + i * BLAKE2S_BLOCKBYTES, left );
    }

    blake2s_final( &S->S[i], hash[i] );
  }

  for( size_t i = 0; i < PARALLELISM_DEGREE; ++i )
    blake2s_update( &S->R, hash[i], BLAKE2S_OUTBYTES );

  blake2s_final( &S->R, digest );
}