184 	struct crypto_alg *alg;  in crypto_ctr_alloc()  local
191 	alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER,  in crypto_ctr_alloc()
193 	if (IS_ERR(alg))  in crypto_ctr_alloc()
194 		return ERR_CAST(alg);  in crypto_ctr_alloc()
198 	if (alg->cra_blocksize < 4)  in crypto_ctr_alloc()
202 	if (alg->cra_blocksize % 4)  in crypto_ctr_alloc()
205 	inst = crypto_alloc_instance("ctr", alg);  in crypto_ctr_alloc()
209 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER;  in crypto_ctr_alloc()
210 	inst->alg.cra_priority = alg->cra_priority;  in crypto_ctr_alloc()
211 	inst->alg.cra_blocksize = 1;  in crypto_ctr_alloc()
212 	inst->alg.cra_alignmask = alg->cra_alignmask | (__alignof__(u32) - 1);  in crypto_ctr_alloc()
213 	inst->alg.cra_type = &crypto_blkcipher_type;  in crypto_ctr_alloc()
215 	inst->alg.cra_blkcipher.ivsize = alg->cra_blocksize;  in crypto_ctr_alloc()
216 	inst->alg.cra_blkcipher.min_keysize = alg->cra_cipher.cia_min_keysize;  in crypto_ctr_alloc()
217 	inst->alg.cra_blkcipher.max_keysize = alg->cra_cipher.cia_max_keysize;  in crypto_ctr_alloc()
219 	inst->alg.cra_ctxsize = sizeof(struct crypto_ctr_ctx);  in crypto_ctr_alloc()
221 	inst->alg.cra_init = crypto_ctr_init_tfm;  in crypto_ctr_alloc()
222 	inst->alg.cra_exit = crypto_ctr_exit_tfm;  in crypto_ctr_alloc()
224 	inst->alg.cra_blkcipher.setkey = crypto_ctr_setkey;  in crypto_ctr_alloc()
225 	inst->alg.cra_blkcipher.encrypt = crypto_ctr_crypt;  in crypto_ctr_alloc()
226 	inst->alg.cra_blkcipher.decrypt = crypto_ctr_crypt;  in crypto_ctr_alloc()
228 	inst->alg.cra_blkcipher.geniv = "chainiv";  in crypto_ctr_alloc()
231 	crypto_mod_put(alg);  in crypto_ctr_alloc()
340 	struct crypto_alg *alg;  in crypto_rfc3686_alloc()  local
369 	alg = crypto_skcipher_spawn_alg(spawn);  in crypto_rfc3686_alloc()
373 	if (alg->cra_ablkcipher.ivsize != CTR_RFC3686_BLOCK_SIZE)  in crypto_rfc3686_alloc()
377 	if (alg->cra_blocksize != 1)  in crypto_rfc3686_alloc()
381 	if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "rfc3686(%s)",  in crypto_rfc3686_alloc()
382 		     alg->cra_name) >= CRYPTO_MAX_ALG_NAME)  in crypto_rfc3686_alloc()
384 	if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,  in crypto_rfc3686_alloc()
385 		     "rfc3686(%s)", alg->cra_driver_name) >=  in crypto_rfc3686_alloc()
389 	inst->alg.cra_priority = alg->cra_priority;  in crypto_rfc3686_alloc()
390 	inst->alg.cra_blocksize = 1;  in crypto_rfc3686_alloc()
391 	inst->alg.cra_alignmask = alg->cra_alignmask;  in crypto_rfc3686_alloc()
393 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |  in crypto_rfc3686_alloc()
394 			      (alg->cra_flags & CRYPTO_ALG_ASYNC);  in crypto_rfc3686_alloc()
395 	inst->alg.cra_type = &crypto_ablkcipher_type;  in crypto_rfc3686_alloc()
397 	inst->alg.cra_ablkcipher.ivsize = CTR_RFC3686_IV_SIZE;  in crypto_rfc3686_alloc()
398 	inst->alg.cra_ablkcipher.min_keysize =  in crypto_rfc3686_alloc()
399 		alg->cra_ablkcipher.min_keysize + CTR_RFC3686_NONCE_SIZE;  in crypto_rfc3686_alloc()
400 	inst->alg.cra_ablkcipher.max_keysize =  in crypto_rfc3686_alloc()
401 		alg->cra_ablkcipher.max_keysize + CTR_RFC3686_NONCE_SIZE;  in crypto_rfc3686_alloc()
403 	inst->alg.cra_ablkcipher.geniv = "seqiv";  in crypto_rfc3686_alloc()
405 	inst->alg.cra_ablkcipher.setkey = crypto_rfc3686_setkey;  in crypto_rfc3686_alloc()
406 	inst->alg.cra_ablkcipher.encrypt = crypto_rfc3686_crypt;  in crypto_rfc3686_alloc()
407 	inst->alg.cra_ablkcipher.decrypt = crypto_rfc3686_crypt;  in crypto_rfc3686_alloc()
409 	inst->alg.cra_ctxsize = sizeof(struct crypto_rfc3686_ctx);  in crypto_rfc3686_alloc()
411 	inst->alg.cra_init = crypto_rfc3686_init_tfm;  in crypto_rfc3686_alloc()
412 	inst->alg.cra_exit = crypto_rfc3686_exit_tfm;  in crypto_rfc3686_alloc()