184 	struct crypto_alg *alg;  in crypto_ctr_alloc()  local
200 	alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER, mask);  in crypto_ctr_alloc()
201 	if (IS_ERR(alg))  in crypto_ctr_alloc()
202 		return ERR_CAST(alg);  in crypto_ctr_alloc()
206 	if (alg->cra_blocksize < 4)  in crypto_ctr_alloc()
210 	if (alg->cra_blocksize % 4)  in crypto_ctr_alloc()
213 	inst = crypto_alloc_instance("ctr", alg);  in crypto_ctr_alloc()
217 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER;  in crypto_ctr_alloc()
218 	inst->alg.cra_priority = alg->cra_priority;  in crypto_ctr_alloc()
219 	inst->alg.cra_blocksize = 1;  in crypto_ctr_alloc()
220 	inst->alg.cra_alignmask = alg->cra_alignmask;  in crypto_ctr_alloc()
221 	inst->alg.cra_type = &crypto_blkcipher_type;  in crypto_ctr_alloc()
223 	inst->alg.cra_blkcipher.ivsize = alg->cra_blocksize;  in crypto_ctr_alloc()
224 	inst->alg.cra_blkcipher.min_keysize = alg->cra_cipher.cia_min_keysize;  in crypto_ctr_alloc()
225 	inst->alg.cra_blkcipher.max_keysize = alg->cra_cipher.cia_max_keysize;  in crypto_ctr_alloc()
227 	inst->alg.cra_ctxsize = sizeof(struct crypto_ctr_ctx);  in crypto_ctr_alloc()
229 	inst->alg.cra_init = crypto_ctr_init_tfm;  in crypto_ctr_alloc()
230 	inst->alg.cra_exit = crypto_ctr_exit_tfm;  in crypto_ctr_alloc()
232 	inst->alg.cra_blkcipher.setkey = crypto_ctr_setkey;  in crypto_ctr_alloc()
233 	inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt;  in crypto_ctr_alloc()
234 	inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt;  in crypto_ctr_alloc()
236 	inst->alg.cra_blkcipher.geniv = "chainiv";  in crypto_ctr_alloc()
239 	crypto_mod_put(alg);  in crypto_ctr_alloc()
358 	struct skcipher_alg *alg;  in crypto_rfc3686_create()  local
391 	alg = crypto_spawn_skcipher_alg(spawn);  in crypto_rfc3686_create()
395 	if (crypto_skcipher_alg_ivsize(alg) != CTR_RFC3686_BLOCK_SIZE)  in crypto_rfc3686_create()
399 	if (alg->base.cra_blocksize != 1)  in crypto_rfc3686_create()
403 	if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,  in crypto_rfc3686_create()
404 		     "rfc3686(%s)", alg->base.cra_name) >= CRYPTO_MAX_ALG_NAME)  in crypto_rfc3686_create()
406 	if (snprintf(inst->alg.base.cra_driver_name, CRYPTO_MAX_ALG_NAME,  in crypto_rfc3686_create()
407 		     "rfc3686(%s)", alg->base.cra_driver_name) >=  in crypto_rfc3686_create()
411 	inst->alg.base.cra_priority = alg->base.cra_priority;  in crypto_rfc3686_create()
412 	inst->alg.base.cra_blocksize = 1;  in crypto_rfc3686_create()
413 	inst->alg.base.cra_alignmask = alg->base.cra_alignmask;  in crypto_rfc3686_create()
415 	inst->alg.base.cra_flags = alg->base.cra_flags & CRYPTO_ALG_ASYNC;  in crypto_rfc3686_create()
417 	inst->alg.ivsize = CTR_RFC3686_IV_SIZE;  in crypto_rfc3686_create()
418 	inst->alg.chunksize = crypto_skcipher_alg_chunksize(alg);  in crypto_rfc3686_create()
419 	inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(alg) +  in crypto_rfc3686_create()
421 	inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(alg) +  in crypto_rfc3686_create()
424 	inst->alg.setkey = crypto_rfc3686_setkey;  in crypto_rfc3686_create()
425 	inst->alg.encrypt = crypto_rfc3686_crypt;  in crypto_rfc3686_create()
426 	inst->alg.decrypt = crypto_rfc3686_crypt;  in crypto_rfc3686_create()
428 	inst->alg.base.cra_ctxsize = sizeof(struct crypto_rfc3686_ctx);  in crypto_rfc3686_create()
430 	inst->alg.init = crypto_rfc3686_init_tfm;  in crypto_rfc3686_create()
431 	inst->alg.exit = crypto_rfc3686_exit_tfm;  in crypto_rfc3686_create()