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Diffstat (limited to 'crypto/asymmetric_keys/pkcs7_parser.c')
-rw-r--r--crypto/asymmetric_keys/pkcs7_parser.c61
1 files changed, 48 insertions, 13 deletions
diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c
index af4cd8649117..423d13c47545 100644
--- a/crypto/asymmetric_keys/pkcs7_parser.c
+++ b/crypto/asymmetric_keys/pkcs7_parser.c
@@ -1,23 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* PKCS#7 parser
*
* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
*/
#define pr_fmt(fmt) "PKCS7: "fmt
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/oid_registry.h>
#include <crypto/public_key.h>
#include "pkcs7_parser.h"
-#include "pkcs7-asn1.h"
+#include "pkcs7.asn1.h"
+
+MODULE_DESCRIPTION("PKCS#7 parser");
+MODULE_AUTHOR("Red Hat, Inc.");
+MODULE_LICENSE("GPL");
struct pkcs7_parse_context {
struct pkcs7_message *msg; /* Message being constructed */
@@ -88,6 +89,9 @@ static int pkcs7_check_authattrs(struct pkcs7_message *msg)
bool want = false;
sinfo = msg->signed_infos;
+ if (!sinfo)
+ goto inconsistent;
+
if (sinfo->authattrs) {
want = true;
msg->have_authattrs = true;
@@ -140,8 +144,10 @@ struct pkcs7_message *pkcs7_parse_message(const void *data, size_t datalen)
}
ret = pkcs7_check_authattrs(ctx->msg);
- if (ret < 0)
+ if (ret < 0) {
+ msg = ERR_PTR(ret);
goto out;
+ }
msg = ctx->msg;
ctx->msg = NULL;
@@ -221,12 +227,6 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
struct pkcs7_parse_context *ctx = context;
switch (ctx->last_oid) {
- case OID_md4:
- ctx->sinfo->sig->hash_algo = "md4";
- break;
- case OID_md5:
- ctx->sinfo->sig->hash_algo = "md5";
- break;
case OID_sha1:
ctx->sinfo->sig->hash_algo = "sha1";
break;
@@ -242,6 +242,24 @@ int pkcs7_sig_note_digest_algo(void *context, size_t hdrlen,
case OID_sha224:
ctx->sinfo->sig->hash_algo = "sha224";
break;
+ case OID_sm3:
+ ctx->sinfo->sig->hash_algo = "sm3";
+ break;
+ case OID_gost2012Digest256:
+ ctx->sinfo->sig->hash_algo = "streebog256";
+ break;
+ case OID_gost2012Digest512:
+ ctx->sinfo->sig->hash_algo = "streebog512";
+ break;
+ case OID_sha3_256:
+ ctx->sinfo->sig->hash_algo = "sha3-256";
+ break;
+ case OID_sha3_384:
+ ctx->sinfo->sig->hash_algo = "sha3-384";
+ break;
+ case OID_sha3_512:
+ ctx->sinfo->sig->hash_algo = "sha3-512";
+ break;
default:
printk("Unsupported digest algo: %u\n", ctx->last_oid);
return -ENOPKG;
@@ -261,6 +279,23 @@ int pkcs7_sig_note_pkey_algo(void *context, size_t hdrlen,
switch (ctx->last_oid) {
case OID_rsaEncryption:
ctx->sinfo->sig->pkey_algo = "rsa";
+ ctx->sinfo->sig->encoding = "pkcs1";
+ break;
+ case OID_id_ecdsa_with_sha1:
+ case OID_id_ecdsa_with_sha224:
+ case OID_id_ecdsa_with_sha256:
+ case OID_id_ecdsa_with_sha384:
+ case OID_id_ecdsa_with_sha512:
+ case OID_id_ecdsa_with_sha3_256:
+ case OID_id_ecdsa_with_sha3_384:
+ case OID_id_ecdsa_with_sha3_512:
+ ctx->sinfo->sig->pkey_algo = "ecdsa";
+ ctx->sinfo->sig->encoding = "x962";
+ break;
+ case OID_gost2012PKey256:
+ case OID_gost2012PKey512:
+ ctx->sinfo->sig->pkey_algo = "ecrdsa";
+ ctx->sinfo->sig->encoding = "raw";
break;
default:
printk("Unsupported pkey algo: %u\n", ctx->last_oid);