88 	struct pkcs7_parse_context *ctx;  in pkcs7_parse_message()  local
92 	ctx = kzalloc(sizeof(struct pkcs7_parse_context), GFP_KERNEL);  in pkcs7_parse_message()
93 	if (!ctx)  in pkcs7_parse_message()
95 	ctx->msg = kzalloc(sizeof(struct pkcs7_message), GFP_KERNEL);  in pkcs7_parse_message()
96 	if (!ctx->msg)  in pkcs7_parse_message()
98 	ctx->sinfo = kzalloc(sizeof(struct pkcs7_signed_info), GFP_KERNEL);  in pkcs7_parse_message()
99 	if (!ctx->sinfo)  in pkcs7_parse_message()
102 	ctx->data = (unsigned long)data;  in pkcs7_parse_message()
103 	ctx->ppcerts = &ctx->certs;  in pkcs7_parse_message()
104 	ctx->ppsinfo = &ctx->msg->signed_infos;  in pkcs7_parse_message()
107 	ret = asn1_ber_decoder(&pkcs7_decoder, ctx, data, datalen);  in pkcs7_parse_message()
113 	msg = ctx->msg;  in pkcs7_parse_message()
114 	ctx->msg = NULL;  in pkcs7_parse_message()
117 	while (ctx->certs) {  in pkcs7_parse_message()
118 		struct x509_certificate *cert = ctx->certs;  in pkcs7_parse_message()
119 		ctx->certs = cert->next;  in pkcs7_parse_message()
122 	pkcs7_free_signed_info(ctx->sinfo);  in pkcs7_parse_message()
124 	pkcs7_free_message(ctx->msg);  in pkcs7_parse_message()
126 	kfree(ctx);  in pkcs7_parse_message()
167 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_OID()  local
169 	ctx->last_oid = look_up_OID(value, vlen);  in pkcs7_note_OID()
170 	if (ctx->last_oid == OID__NR) {  in pkcs7_note_OID()
174 		       (unsigned long)value - ctx->data, buffer);  in pkcs7_note_OID()
186 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_digest_algo()  local
188 	switch (ctx->last_oid) {  in pkcs7_sig_note_digest_algo()
190 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_MD4;  in pkcs7_sig_note_digest_algo()
193 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_MD5;  in pkcs7_sig_note_digest_algo()
196 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA1;  in pkcs7_sig_note_digest_algo()
199 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA256;  in pkcs7_sig_note_digest_algo()
202 		printk("Unsupported digest algo: %u\n", ctx->last_oid);  in pkcs7_sig_note_digest_algo()
215 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_pkey_algo()  local
217 	switch (ctx->last_oid) {  in pkcs7_sig_note_pkey_algo()
219 		ctx->sinfo->sig.pkey_algo = PKEY_ALGO_RSA;  in pkcs7_sig_note_pkey_algo()
222 		printk("Unsupported pkey algo: %u\n", ctx->last_oid);  in pkcs7_sig_note_pkey_algo()
235 	struct pkcs7_parse_context *ctx = context;  in pkcs7_extract_cert()  local
240 			 tag, (unsigned long)ctx - ctx->data);  in pkcs7_extract_cert()
259 	x509->index = ++ctx->x509_index;  in pkcs7_extract_cert()
263 	*ctx->ppcerts = x509;  in pkcs7_extract_cert()
264 	ctx->ppcerts = &x509->next;  in pkcs7_extract_cert()
275 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_certificate_list()  local
279 	*ctx->ppcerts = ctx->msg->certs;  in pkcs7_note_certificate_list()
280 	ctx->msg->certs = ctx->certs;  in pkcs7_note_certificate_list()
281 	ctx->certs = NULL;  in pkcs7_note_certificate_list()
282 	ctx->ppcerts = &ctx->certs;  in pkcs7_note_certificate_list()
294 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_data()  local
298 	ctx->msg->data = value;  in pkcs7_note_data()
299 	ctx->msg->data_len = vlen;  in pkcs7_note_data()
300 	ctx->msg->data_hdrlen = hdrlen;  in pkcs7_note_data()
301 	ctx->msg->data_type = ctx->last_oid;  in pkcs7_note_data()
312 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_authenticated_attr()  local
316 	switch (ctx->last_oid) {  in pkcs7_sig_note_authenticated_attr()
320 		ctx->sinfo->msgdigest = value;  in pkcs7_sig_note_authenticated_attr()
321 		ctx->sinfo->msgdigest_len = vlen;  in pkcs7_sig_note_authenticated_attr()
335 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_set_of_authattrs()  local
338 	ctx->sinfo->authattrs = value - (hdrlen - 1);  in pkcs7_sig_note_set_of_authattrs()
339 	ctx->sinfo->authattrs_len = vlen + (hdrlen - 1);  in pkcs7_sig_note_set_of_authattrs()
350 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_serial()  local
351 	ctx->raw_serial = value;  in pkcs7_sig_note_serial()
352 	ctx->raw_serial_size = vlen;  in pkcs7_sig_note_serial()
363 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_issuer()  local
364 	ctx->raw_issuer = value;  in pkcs7_sig_note_issuer()
365 	ctx->raw_issuer_size = vlen;  in pkcs7_sig_note_issuer()
376 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_signature()  local
379 	BUG_ON(ctx->sinfo->sig.pkey_algo != PKEY_ALGO_RSA);  in pkcs7_sig_note_signature()
385 	ctx->sinfo->sig.mpi[0] = mpi;  in pkcs7_sig_note_signature()
386 	ctx->sinfo->sig.nr_mpi = 1;  in pkcs7_sig_note_signature()
397 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_signed_info()  local
398 	struct pkcs7_signed_info *sinfo = ctx->sinfo;  in pkcs7_note_signed_info()
402 	kid = asymmetric_key_generate_id(ctx->raw_serial,  in pkcs7_note_signed_info()
403 					 ctx->raw_serial_size,  in pkcs7_note_signed_info()
404 					 ctx->raw_issuer,  in pkcs7_note_signed_info()
405 					 ctx->raw_issuer_size);  in pkcs7_note_signed_info()
410 	sinfo->index = ++ctx->sinfo_index;  in pkcs7_note_signed_info()
411 	*ctx->ppsinfo = sinfo;  in pkcs7_note_signed_info()
412 	ctx->ppsinfo = &sinfo->next;  in pkcs7_note_signed_info()
413 	ctx->sinfo = kzalloc(sizeof(struct pkcs7_signed_info), GFP_KERNEL);  in pkcs7_note_signed_info()
414 	if (!ctx->sinfo)  in pkcs7_note_signed_info()