283 static void ahash_set_needkey(struct crypto_ahash *tfm, struct ahash_alg *alg)  in ahash_set_needkey()  argument
285 	if (alg->setkey != ahash_nosetkey &&  in ahash_set_needkey()
286 	    !(alg->halg.base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))  in ahash_set_needkey()
305 		struct ahash_alg *alg = crypto_ahash_alg(tfm);  in crypto_ahash_setkey()  local
308 		err = alg->setkey(tfm, key, keylen);  in crypto_ahash_setkey()
313 			ahash_set_needkey(tfm, alg);  in crypto_ahash_setkey()
689 	struct ahash_alg *alg = crypto_ahash_alg(hash);  in crypto_ahash_exit_tfm()  local
691 	if (alg->exit_tfm)  in crypto_ahash_exit_tfm()
692 		alg->exit_tfm(hash);  in crypto_ahash_exit_tfm()
703 	struct ahash_alg *alg = crypto_ahash_alg(hash);  in crypto_ahash_init_tfm()  local
707 	crypto_ahash_set_statesize(hash, alg->halg.statesize);  in crypto_ahash_init_tfm()
725 	ahash_set_needkey(hash, alg);  in crypto_ahash_init_tfm()
729 	if (alg->init_tfm)  in crypto_ahash_init_tfm()
730 		err = alg->init_tfm(hash);  in crypto_ahash_init_tfm()
750 	if (alg->exit_tfm)  in crypto_ahash_init_tfm()
751 		alg->exit_tfm(hash);  in crypto_ahash_init_tfm()
760 static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)  in crypto_ahash_extsize()  argument
762 	if (alg->cra_type == &crypto_shash_type)  in crypto_ahash_extsize()
765 	return crypto_alg_extsize(alg);  in crypto_ahash_extsize()
776 	struct sk_buff *skb, struct crypto_alg *alg)  in crypto_ahash_report()  argument
784 	rhash.blocksize = alg->cra_blocksize;  in crypto_ahash_report()
785 	rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;  in crypto_ahash_report()
790 static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
792 static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)  in crypto_ahash_show()  argument
796 		   str_yes_no(alg->cra_flags & CRYPTO_ALG_ASYNC));  in crypto_ahash_show()
797 	seq_printf(m, "blocksize    : %u\n", alg->cra_blocksize);  in crypto_ahash_show()
799 		   __crypto_hash_alg_common(alg)->digestsize);  in crypto_ahash_show()
843 	struct crypto_alg *alg = &halg->base;  in crypto_hash_alg_has_setkey()  local
845 	if (alg->cra_type == &crypto_shash_type)  in crypto_hash_alg_has_setkey()
846 		return crypto_shash_alg_has_setkey(__crypto_shash_alg(alg));  in crypto_hash_alg_has_setkey()
848 	return __crypto_ahash_alg(alg)->setkey != ahash_nosetkey;  in crypto_hash_alg_has_setkey()
858 	struct ahash_alg *alg;  in crypto_clone_ahash()  local
902 	alg = crypto_ahash_alg(hash);  in crypto_clone_ahash()
903 	if (!alg->clone_tfm)  in crypto_clone_ahash()
906 	err = alg->clone_tfm(nhash, hash);  in crypto_clone_ahash()
932 static int ahash_prepare_alg(struct ahash_alg *alg)  in ahash_prepare_alg()  argument
934 	struct crypto_alg *base = &alg->halg.base;  in ahash_prepare_alg()
937 	if (alg->halg.statesize == 0)  in ahash_prepare_alg()
940 	if (base->cra_reqsize && base->cra_reqsize < alg->halg.statesize)  in ahash_prepare_alg()
951 	err = hash_prepare_alg(&alg->halg);  in ahash_prepare_alg()
963 	if (!alg->setkey)  in ahash_prepare_alg()
964 		alg->setkey = ahash_nosetkey;  in ahash_prepare_alg()
968 		if (!alg->finup)  in ahash_prepare_alg()
972 		alg->halg.statesize += base->cra_blocksize + 1;  in ahash_prepare_alg()
973 		alg->export_core = alg->export;  in ahash_prepare_alg()
974 		alg->import_core = alg->import;  in ahash_prepare_alg()
975 	} else if (!alg->export_core || !alg->import_core) {  in ahash_prepare_alg()
976 		alg->export_core = ahash_default_export_core;  in ahash_prepare_alg()
977 		alg->import_core = ahash_default_import_core;  in ahash_prepare_alg()
984 int crypto_register_ahash(struct ahash_alg *alg)  in crypto_register_ahash()  argument
986 	struct crypto_alg *base = &alg->halg.base;  in crypto_register_ahash()
989 	err = ahash_prepare_alg(alg);  in crypto_register_ahash()
997 void crypto_unregister_ahash(struct ahash_alg *alg)  in crypto_unregister_ahash()  argument
999 	crypto_unregister_alg(&alg->halg.base);  in crypto_unregister_ahash()
1040 	err = ahash_prepare_alg(&inst->alg);  in ahash_register_instance()