115 	struct pkcs7_parse_context *ctx;  in pkcs7_parse_message()  local
119 	ctx = kzalloc(sizeof(struct pkcs7_parse_context), GFP_KERNEL);  in pkcs7_parse_message()
120 	if (!ctx)  in pkcs7_parse_message()
122 	ctx->msg = kzalloc(sizeof(struct pkcs7_message), GFP_KERNEL);  in pkcs7_parse_message()
123 	if (!ctx->msg)  in pkcs7_parse_message()
125 	ctx->sinfo = kzalloc(sizeof(struct pkcs7_signed_info), GFP_KERNEL);  in pkcs7_parse_message()
126 	if (!ctx->sinfo)  in pkcs7_parse_message()
129 	ctx->data = (unsigned long)data;  in pkcs7_parse_message()
130 	ctx->ppcerts = &ctx->certs;  in pkcs7_parse_message()
131 	ctx->ppsinfo = &ctx->msg->signed_infos;  in pkcs7_parse_message()
134 	ret = asn1_ber_decoder(&pkcs7_decoder, ctx, data, datalen);  in pkcs7_parse_message()
140 	ret = pkcs7_check_authattrs(ctx->msg);  in pkcs7_parse_message()
144 	msg = ctx->msg;  in pkcs7_parse_message()
145 	ctx->msg = NULL;  in pkcs7_parse_message()
148 	while (ctx->certs) {  in pkcs7_parse_message()
149 		struct x509_certificate *cert = ctx->certs;  in pkcs7_parse_message()
150 		ctx->certs = cert->next;  in pkcs7_parse_message()
153 	pkcs7_free_signed_info(ctx->sinfo);  in pkcs7_parse_message()
155 	pkcs7_free_message(ctx->msg);  in pkcs7_parse_message()
157 	kfree(ctx);  in pkcs7_parse_message()
198 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_OID()  local
200 	ctx->last_oid = look_up_OID(value, vlen);  in pkcs7_note_OID()
201 	if (ctx->last_oid == OID__NR) {  in pkcs7_note_OID()
205 		       (unsigned long)value - ctx->data, buffer);  in pkcs7_note_OID()
217 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_digest_algo()  local
219 	switch (ctx->last_oid) {  in pkcs7_sig_note_digest_algo()
221 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_MD4;  in pkcs7_sig_note_digest_algo()
224 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_MD5;  in pkcs7_sig_note_digest_algo()
227 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA1;  in pkcs7_sig_note_digest_algo()
230 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA256;  in pkcs7_sig_note_digest_algo()
233 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA384;  in pkcs7_sig_note_digest_algo()
236 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA512;  in pkcs7_sig_note_digest_algo()
239 		ctx->sinfo->sig.pkey_hash_algo = HASH_ALGO_SHA224;  in pkcs7_sig_note_digest_algo()
241 		printk("Unsupported digest algo: %u\n", ctx->last_oid);  in pkcs7_sig_note_digest_algo()
254 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_pkey_algo()  local
256 	switch (ctx->last_oid) {  in pkcs7_sig_note_pkey_algo()
258 		ctx->sinfo->sig.pkey_algo = PKEY_ALGO_RSA;  in pkcs7_sig_note_pkey_algo()
261 		printk("Unsupported pkey algo: %u\n", ctx->last_oid);  in pkcs7_sig_note_pkey_algo()
274 	struct pkcs7_parse_context *ctx = context;  in pkcs7_check_content_type()  local
276 	if (ctx->last_oid != OID_signed_data) {  in pkcs7_check_content_type()
291 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_signeddata_version()  local
297 	ctx->msg->version = version = *(const u8 *)value;  in pkcs7_note_signeddata_version()
325 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_signerinfo_version()  local
337 		if (ctx->msg->version != 1)  in pkcs7_note_signerinfo_version()
339 		ctx->expect_skid = false;  in pkcs7_note_signerinfo_version()
343 		if (ctx->msg->version == 1)  in pkcs7_note_signerinfo_version()
345 		ctx->expect_skid = true;  in pkcs7_note_signerinfo_version()
368 	struct pkcs7_parse_context *ctx = context;  in pkcs7_extract_cert()  local
373 			 tag, (unsigned long)ctx - ctx->data);  in pkcs7_extract_cert()
392 	x509->index = ++ctx->x509_index;  in pkcs7_extract_cert()
396 	*ctx->ppcerts = x509;  in pkcs7_extract_cert()
397 	ctx->ppcerts = &x509->next;  in pkcs7_extract_cert()
408 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_certificate_list()  local
412 	*ctx->ppcerts = ctx->msg->certs;  in pkcs7_note_certificate_list()
413 	ctx->msg->certs = ctx->certs;  in pkcs7_note_certificate_list()
414 	ctx->certs = NULL;  in pkcs7_note_certificate_list()
415 	ctx->ppcerts = &ctx->certs;  in pkcs7_note_certificate_list()
426 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_content()  local
428 	if (ctx->last_oid != OID_data &&  in pkcs7_note_content()
429 	    ctx->last_oid != OID_msIndirectData) {  in pkcs7_note_content()
430 		pr_warn("Unsupported data type %d\n", ctx->last_oid);  in pkcs7_note_content()
434 	ctx->msg->data_type = ctx->last_oid;  in pkcs7_note_content()
446 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_data()  local
450 	ctx->msg->data = value;  in pkcs7_note_data()
451 	ctx->msg->data_len = vlen;  in pkcs7_note_data()
452 	ctx->msg->data_hdrlen = hdrlen;  in pkcs7_note_data()
463 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_authenticated_attr()  local
464 	struct pkcs7_signed_info *sinfo = ctx->sinfo;  in pkcs7_sig_note_authenticated_attr()
469 	switch (ctx->last_oid) {  in pkcs7_sig_note_authenticated_attr()
474 		if (content_type != ctx->msg->data_type) {  in pkcs7_sig_note_authenticated_attr()
476 				ctx->msg->data_type, sinfo->index,  in pkcs7_sig_note_authenticated_attr()
503 		if (ctx->msg->data_type != OID_msIndirectData) {  in pkcs7_sig_note_authenticated_attr()
523 		if (ctx->msg->data_type != OID_msIndirectData) {  in pkcs7_sig_note_authenticated_attr()
546 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_set_of_authattrs()  local
547 	struct pkcs7_signed_info *sinfo = ctx->sinfo;  in pkcs7_sig_note_set_of_authattrs()
551 	    (ctx->msg->data_type == OID_msIndirectData &&  in pkcs7_sig_note_set_of_authattrs()
557 	if (ctx->msg->data_type != OID_msIndirectData &&  in pkcs7_sig_note_set_of_authattrs()
576 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_serial()  local
577 	ctx->raw_serial = value;  in pkcs7_sig_note_serial()
578 	ctx->raw_serial_size = vlen;  in pkcs7_sig_note_serial()
589 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_issuer()  local
590 	ctx->raw_issuer = value;  in pkcs7_sig_note_issuer()
591 	ctx->raw_issuer_size = vlen;  in pkcs7_sig_note_issuer()
602 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_skid()  local
606 	ctx->raw_skid = value;  in pkcs7_sig_note_skid()
607 	ctx->raw_skid_size = vlen;  in pkcs7_sig_note_skid()
618 	struct pkcs7_parse_context *ctx = context;  in pkcs7_sig_note_signature()  local
621 	BUG_ON(ctx->sinfo->sig.pkey_algo != PKEY_ALGO_RSA);  in pkcs7_sig_note_signature()
627 	ctx->sinfo->sig.mpi[0] = mpi;  in pkcs7_sig_note_signature()
628 	ctx->sinfo->sig.nr_mpi = 1;  in pkcs7_sig_note_signature()
639 	struct pkcs7_parse_context *ctx = context;  in pkcs7_note_signed_info()  local
640 	struct pkcs7_signed_info *sinfo = ctx->sinfo;  in pkcs7_note_signed_info()
643 	if (ctx->msg->data_type == OID_msIndirectData && !sinfo->authattrs) {  in pkcs7_note_signed_info()
649 	if (!ctx->expect_skid) {  in pkcs7_note_signed_info()
650 		kid = asymmetric_key_generate_id(ctx->raw_serial,  in pkcs7_note_signed_info()
651 						 ctx->raw_serial_size,  in pkcs7_note_signed_info()
652 						 ctx->raw_issuer,  in pkcs7_note_signed_info()
653 						 ctx->raw_issuer_size);  in pkcs7_note_signed_info()
655 		kid = asymmetric_key_generate_id(ctx->raw_skid,  in pkcs7_note_signed_info()
656 						 ctx->raw_skid_size,  in pkcs7_note_signed_info()
665 	sinfo->index = ++ctx->sinfo_index;  in pkcs7_note_signed_info()
666 	*ctx->ppsinfo = sinfo;  in pkcs7_note_signed_info()
667 	ctx->ppsinfo = &sinfo->next;  in pkcs7_note_signed_info()
668 	ctx->sinfo = kzalloc(sizeof(struct pkcs7_signed_info), GFP_KERNEL);  in pkcs7_note_signed_info()
669 	if (!ctx->sinfo)  in pkcs7_note_signed_info()