Lines Matching defs:tcw

174 		struct iv_tcw_private tcw;
298  * tcw:  Compatible implementation of the block chaining mode used
573 	struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
575 	kfree_sensitive(tcw->iv_seed);
576 	tcw->iv_seed = NULL;
577 	kfree_sensitive(tcw->whitening);
578 	tcw->whitening = NULL;
580 	if (tcw->crc32_tfm && !IS_ERR(tcw->crc32_tfm))
581 		crypto_free_shash(tcw->crc32_tfm);
582 	tcw->crc32_tfm = NULL;
588 	struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
600 	tcw->crc32_tfm = crypto_alloc_shash("crc32", 0,
602 	if (IS_ERR(tcw->crc32_tfm)) {
604 		return PTR_ERR(tcw->crc32_tfm);
607 	tcw->iv_seed = kzalloc(cc->iv_size, GFP_KERNEL);
608 	tcw->whitening = kzalloc(TCW_WHITENING_SIZE, GFP_KERNEL);
609 	if (!tcw->iv_seed || !tcw->whitening) {
620 	struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
623 	memcpy(tcw->iv_seed, &cc->key[key_offset], cc->iv_size);
624 	memcpy(tcw->whitening, &cc->key[key_offset + cc->iv_size],
632 	struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
634 	memset(tcw->iv_seed, 0, cc->iv_size);
635 	memset(tcw->whitening, 0, TCW_WHITENING_SIZE);
644 	struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
647 	SHASH_DESC_ON_STACK(desc, tcw->crc32_tfm);
651 	crypto_xor_cpy(buf, tcw->whitening, (u8 *)&sector, 8);
652 	crypto_xor_cpy(&buf[8], tcw->whitening + 8, (u8 *)&sector, 8);
655 	desc->tfm = tcw->crc32_tfm;
682 	struct iv_tcw_private *tcw = &cc->iv_gen_private.tcw;
696 	crypto_xor_cpy(iv, tcw->iv_seed, (u8 *)&sector, 8);
698 		crypto_xor_cpy(&iv[8], tcw->iv_seed + 8, (u8 *)&sector,
2866 	} else if (strcmp(ivmode, "tcw") == 0) {