/* 5. Append the tail (BB - Ln) bytes of Xn (tmp) to Cn to create En */
memcpy(s + bsize + lastn, tmp + lastn, bsize - lastn);
/* 6. Decrypt En to create Pn-1 */
- memset(iv, 0, sizeof(iv));
+ memzero_explicit(iv, sizeof(iv));
+
sg_set_buf(&sgsrc[0], s + bsize, bsize);
sg_set_buf(&sgdst[0], d, bsize);
err = crypto_blkcipher_decrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
if (!is_power_of_2(alg->cra_blocksize))
goto out_put_alg;
+ if (strncmp(alg->cra_name, "cbc(", 4))
+ goto out_put_alg;
+
inst = crypto_alloc_instance("cts", alg);
if (IS_ERR(inst))
goto out_put_alg;
inst->alg.cra_blkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
inst->alg.cra_blkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
- inst->alg.cra_blkcipher.geniv = "seqiv";
-
inst->alg.cra_ctxsize = sizeof(struct crypto_cts_ctx);
inst->alg.cra_init = crypto_cts_init_tfm;