23 int x509_get_sig_params(struct x509_certificate *cert)  in x509_get_sig_params()  argument
25 	struct public_key_signature *sig = cert->sig;  in x509_get_sig_params()
33 	sig->data = cert->tbs;  in x509_get_sig_params()
34 	sig->data_size = cert->tbs_size;  in x509_get_sig_params()
36 	if (!cert->pub->pkey_algo)  in x509_get_sig_params()
37 		cert->unsupported_key = true;  in x509_get_sig_params()
40 		cert->unsupported_sig = true;  in x509_get_sig_params()
44 		cert->unsupported_sig = true;  in x509_get_sig_params()
48 	sig->s = kmemdup(cert->raw_sig, cert->raw_sig_size, GFP_KERNEL);  in x509_get_sig_params()
52 	sig->s_size = cert->raw_sig_size;  in x509_get_sig_params()
60 			cert->unsupported_sig = true;  in x509_get_sig_params()
80 	ret = crypto_shash_digest(desc, cert->tbs, cert->tbs_size, sig->digest);  in x509_get_sig_params()
88 		cert->blacklisted = true;  in x509_get_sig_params()
104 int x509_check_for_self_signed(struct x509_certificate *cert)  in x509_check_for_self_signed()  argument
110 	if (cert->raw_subject_size != cert->raw_issuer_size ||  in x509_check_for_self_signed()
111 	    memcmp(cert->raw_subject, cert->raw_issuer,  in x509_check_for_self_signed()
112 		   cert->raw_issuer_size) != 0)  in x509_check_for_self_signed()
115 	if (cert->sig->auth_ids[0] || cert->sig->auth_ids[1]) {  in x509_check_for_self_signed()
119 		bool a = asymmetric_key_id_same(cert->skid, cert->sig->auth_ids[1]);  in x509_check_for_self_signed()
120 		bool b = asymmetric_key_id_same(cert->id, cert->sig->auth_ids[0]);  in x509_check_for_self_signed()
127 		    cert->sig->auth_ids[0] && cert->sig->auth_ids[1])  in x509_check_for_self_signed()
132 	if (strcmp(cert->pub->pkey_algo, cert->sig->pkey_algo) != 0)  in x509_check_for_self_signed()
135 	ret = public_key_verify_signature(cert->pub, cert->sig);  in x509_check_for_self_signed()
138 			cert->unsupported_sig = true;  in x509_check_for_self_signed()
145 	cert->self_signed = true;  in x509_check_for_self_signed()
162 	struct x509_certificate *cert;  in x509_key_preparse()  local
168 	cert = x509_cert_parse(prep->data, prep->datalen);  in x509_key_preparse()
169 	if (IS_ERR(cert))  in x509_key_preparse()
170 		return PTR_ERR(cert);  in x509_key_preparse()
172 	pr_devel("Cert Issuer: %s\n", cert->issuer);  in x509_key_preparse()
173 	pr_devel("Cert Subject: %s\n", cert->subject);  in x509_key_preparse()
175 	if (cert->unsupported_key) {  in x509_key_preparse()
180 	pr_devel("Cert Key Algo: %s\n", cert->pub->pkey_algo);  in x509_key_preparse()
181 	pr_devel("Cert Valid period: %lld-%lld\n", cert->valid_from, cert->valid_to);  in x509_key_preparse()
183 	cert->pub->id_type = "X509";  in x509_key_preparse()
185 	if (cert->unsupported_sig) {  in x509_key_preparse()
186 		public_key_signature_free(cert->sig);  in x509_key_preparse()
187 		cert->sig = NULL;  in x509_key_preparse()
190 			 cert->sig->pkey_algo, cert->sig->hash_algo);  in x509_key_preparse()
195 	if (cert->blacklisted)  in x509_key_preparse()
199 	sulen = strlen(cert->subject);  in x509_key_preparse()
200 	if (cert->raw_skid) {  in x509_key_preparse()
201 		srlen = cert->raw_skid_size;  in x509_key_preparse()
202 		q = cert->raw_skid;  in x509_key_preparse()
204 		srlen = cert->raw_serial_size;  in x509_key_preparse()
205 		q = cert->raw_serial;  in x509_key_preparse()
212 	p = memcpy(desc, cert->subject, sulen);  in x509_key_preparse()
222 	kids->id[0] = cert->id;  in x509_key_preparse()
223 	kids->id[1] = cert->skid;  in x509_key_preparse()
229 	prep->payload.data[asym_crypto] = cert->pub;  in x509_key_preparse()
230 	prep->payload.data[asym_auth] = cert->sig;  in x509_key_preparse()
235 	cert->pub = NULL;  in x509_key_preparse()
236 	cert->id = NULL;  in x509_key_preparse()
237 	cert->skid = NULL;  in x509_key_preparse()
238 	cert->sig = NULL;  in x509_key_preparse()
245 	x509_free_certificate(cert);  in x509_key_preparse()