277 	struct crypto_alg *alg;  in crypto_cts_alloc()  local
284 	alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_BLKCIPHER,  in crypto_cts_alloc()
286 	if (IS_ERR(alg))  in crypto_cts_alloc()
287 		return ERR_CAST(alg);  in crypto_cts_alloc()
290 	if (!is_power_of_2(alg->cra_blocksize))  in crypto_cts_alloc()
293 	if (strncmp(alg->cra_name, "cbc(", 4))  in crypto_cts_alloc()
296 	inst = crypto_alloc_instance("cts", alg);  in crypto_cts_alloc()
300 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER;  in crypto_cts_alloc()
301 	inst->alg.cra_priority = alg->cra_priority;  in crypto_cts_alloc()
302 	inst->alg.cra_blocksize = alg->cra_blocksize;  in crypto_cts_alloc()
303 	inst->alg.cra_alignmask = alg->cra_alignmask;  in crypto_cts_alloc()
304 	inst->alg.cra_type = &crypto_blkcipher_type;  in crypto_cts_alloc()
307 	inst->alg.cra_alignmask |= __alignof__(u32) - 1;  in crypto_cts_alloc()
309 	inst->alg.cra_blkcipher.ivsize = alg->cra_blocksize;  in crypto_cts_alloc()
310 	inst->alg.cra_blkcipher.min_keysize = alg->cra_blkcipher.min_keysize;  in crypto_cts_alloc()
311 	inst->alg.cra_blkcipher.max_keysize = alg->cra_blkcipher.max_keysize;  in crypto_cts_alloc()
313 	inst->alg.cra_ctxsize = sizeof(struct crypto_cts_ctx);  in crypto_cts_alloc()
315 	inst->alg.cra_init = crypto_cts_init_tfm;  in crypto_cts_alloc()
316 	inst->alg.cra_exit = crypto_cts_exit_tfm;  in crypto_cts_alloc()
318 	inst->alg.cra_blkcipher.setkey = crypto_cts_setkey;  in crypto_cts_alloc()
319 	inst->alg.cra_blkcipher.encrypt = crypto_cts_encrypt;  in crypto_cts_alloc()
320 	inst->alg.cra_blkcipher.decrypt = crypto_cts_decrypt;  in crypto_cts_alloc()
323 	crypto_mod_put(alg);  in crypto_cts_alloc()