HASH_CMD_SHA_SWAP
rctx->cmd |= HASH_CMD_SHA1 | HASH_CMD_SHA_SWAP;
rctx->cmd |= HASH_CMD_SHA224 | HASH_CMD_SHA_SWAP;
rctx->cmd |= HASH_CMD_SHA256 | HASH_CMD_SHA_SWAP;
HASH_CMD_SHA_SWAP;
HASH_CMD_SHA_SWAP;