27 	struct public_key_signature *sig = cert->sig;  in x509_get_sig_params()  local
35 	sig->s = kmemdup(cert->raw_sig, cert->raw_sig_size, GFP_KERNEL);  in x509_get_sig_params()
36 	if (!sig->s)  in x509_get_sig_params()
39 	sig->s_size = cert->raw_sig_size;  in x509_get_sig_params()
44 	tfm = crypto_alloc_shash(sig->hash_algo, 0, 0);  in x509_get_sig_params()
54 	sig->digest_size = crypto_shash_digestsize(tfm);  in x509_get_sig_params()
57 	sig->digest = kmalloc(sig->digest_size, GFP_KERNEL);  in x509_get_sig_params()
58 	if (!sig->digest)  in x509_get_sig_params()
68 		ret = strcmp(sig->hash_algo, "sm3") != 0 ? -EINVAL :  in x509_get_sig_params()
71 					   cert->pub->keylen, sig->digest) ?:  in x509_get_sig_params()
73 		      crypto_shash_update(desc, sig->digest,  in x509_get_sig_params()
74 					  sig->digest_size) ?:  in x509_get_sig_params()
76 					 sig->digest);  in x509_get_sig_params()
79 					  sig->digest);  in x509_get_sig_params()
85 	ret = is_hash_blacklisted(sig->digest, sig->digest_size,  in x509_get_sig_params()
89 		       sig->digest_size, sig->digest);  in x509_get_sig_params()
117 	if (cert->sig->auth_ids[0] || cert->sig->auth_ids[1]) {  in x509_check_for_self_signed()
121 		bool a = asymmetric_key_id_same(cert->skid, cert->sig->auth_ids[1]);  in x509_check_for_self_signed()
122 		bool b = asymmetric_key_id_same(cert->id, cert->sig->auth_ids[0]);  in x509_check_for_self_signed()
129 		    cert->sig->auth_ids[0] && cert->sig->auth_ids[1])  in x509_check_for_self_signed()
138 	ret = public_key_verify_signature(cert->pub, cert->sig);  in x509_check_for_self_signed()
183 		public_key_signature_free(cert->sig);  in x509_key_preparse()
184 		cert->sig = NULL;  in x509_key_preparse()
187 			 cert->sig->pkey_algo, cert->sig->hash_algo);  in x509_key_preparse()
234 	prep->payload.data[asym_auth] = cert->sig;  in x509_key_preparse()
242 	cert->sig = NULL;  in x509_key_preparse()