25 int x509_get_sig_params(struct x509_certificate *cert)  in x509_get_sig_params()  argument
27 	struct public_key_signature *sig = cert->sig;  in x509_get_sig_params()
35 	sig->s = kmemdup(cert->raw_sig, cert->raw_sig_size, GFP_KERNEL);  in x509_get_sig_params()
39 	sig->s_size = cert->raw_sig_size;  in x509_get_sig_params()
47 			cert->unsupported_sig = true;  in x509_get_sig_params()
67 	if (strcmp(cert->pub->pkey_algo, "sm2") == 0) {  in x509_get_sig_params()
70 		      sm2_compute_z_digest(desc, cert->pub->key,  in x509_get_sig_params()
71 					   cert->pub->keylen, sig->digest) ?:  in x509_get_sig_params()
75 		      crypto_shash_finup(desc, cert->tbs, cert->tbs_size,  in x509_get_sig_params()
78 		ret = crypto_shash_digest(desc, cert->tbs, cert->tbs_size,  in x509_get_sig_params()
90 		cert->blacklisted = true;  in x509_get_sig_params()
106 int x509_check_for_self_signed(struct x509_certificate *cert)  in x509_check_for_self_signed()  argument
112 	if (cert->raw_subject_size != cert->raw_issuer_size ||  in x509_check_for_self_signed()
113 	    memcmp(cert->raw_subject, cert->raw_issuer,  in x509_check_for_self_signed()
114 		   cert->raw_issuer_size) != 0)  in x509_check_for_self_signed()
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()
133 	if (cert->unsupported_sig) {  in x509_check_for_self_signed()
138 	ret = public_key_verify_signature(cert->pub, cert->sig);  in x509_check_for_self_signed()
141 			cert->unsupported_sig = true;  in x509_check_for_self_signed()
148 	cert->self_signed = true;  in x509_check_for_self_signed()
165 	struct x509_certificate *cert;  in x509_key_preparse()  local
171 	cert = x509_cert_parse(prep->data, prep->datalen);  in x509_key_preparse()
172 	if (IS_ERR(cert))  in x509_key_preparse()
173 		return PTR_ERR(cert);  in x509_key_preparse()
175 	pr_devel("Cert Issuer: %s\n", cert->issuer);  in x509_key_preparse()
176 	pr_devel("Cert Subject: %s\n", cert->subject);  in x509_key_preparse()
177 	pr_devel("Cert Key Algo: %s\n", cert->pub->pkey_algo);  in x509_key_preparse()
178 	pr_devel("Cert Valid period: %lld-%lld\n", cert->valid_from, cert->valid_to);  in x509_key_preparse()
180 	cert->pub->id_type = "X509";  in x509_key_preparse()
182 	if (cert->unsupported_sig) {  in x509_key_preparse()
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()
192 	if (cert->blacklisted)  in x509_key_preparse()
196 	sulen = strlen(cert->subject);  in x509_key_preparse()
197 	if (cert->raw_skid) {  in x509_key_preparse()
198 		srlen = cert->raw_skid_size;  in x509_key_preparse()
199 		q = cert->raw_skid;  in x509_key_preparse()
201 		srlen = cert->raw_serial_size;  in x509_key_preparse()
202 		q = cert->raw_serial;  in x509_key_preparse()
209 	p = memcpy(desc, cert->subject, sulen);  in x509_key_preparse()
219 	kids->id[0] = cert->id;  in x509_key_preparse()
220 	kids->id[1] = cert->skid;  in x509_key_preparse()
221 	kids->id[2] = asymmetric_key_generate_id(cert->raw_subject,  in x509_key_preparse()
222 						 cert->raw_subject_size,  in x509_key_preparse()
233 	prep->payload.data[asym_crypto] = cert->pub;  in x509_key_preparse()
234 	prep->payload.data[asym_auth] = cert->sig;  in x509_key_preparse()
239 	cert->pub = NULL;  in x509_key_preparse()
240 	cert->id = NULL;  in x509_key_preparse()
241 	cert->skid = NULL;  in x509_key_preparse()
242 	cert->sig = NULL;  in x509_key_preparse()
252 	x509_free_certificate(cert);  in x509_key_preparse()