CAST5_PARALLEL_BLOCKS
ECB_WALK_START(req, CAST5_BLOCK_SIZE, CAST5_PARALLEL_BLOCKS);
ECB_BLOCK(CAST5_PARALLEL_BLOCKS, cast5_ecb_enc_16way);
ECB_WALK_START(req, CAST5_BLOCK_SIZE, CAST5_PARALLEL_BLOCKS);
ECB_BLOCK(CAST5_PARALLEL_BLOCKS, cast5_ecb_dec_16way);
CBC_WALK_START(req, CAST5_BLOCK_SIZE, CAST5_PARALLEL_BLOCKS);
CBC_DEC_BLOCK(CAST5_PARALLEL_BLOCKS, cast5_cbc_dec_16way);