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authorDavid Howells <dhowells@redhat.com>2014-07-01 16:02:51 +0100
committerDavid Howells <dhowells@redhat.com>2014-07-09 14:58:37 +0100
commit26d1164be37f1145a96af15f294122876d8e5c77 (patch)
tree3cf981b54d3a275710d840c3674e09271c00c36d /crypto/asymmetric_keys/verify_pefile.h
parent9c87e0f10e281f782312e7b6aa202f2d434c84bf (diff)
downloadlinux-26d1164be37f1145a96af15f294122876d8e5c77.tar.gz
pefile: Parse a PE binary to find a key and a signature contained therein
Parse a PE binary to find a key and a signature contained therein. Later patches will check the signature and add the key if the signature checks out. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'crypto/asymmetric_keys/verify_pefile.h')
-rw-r--r--crypto/asymmetric_keys/verify_pefile.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/crypto/asymmetric_keys/verify_pefile.h b/crypto/asymmetric_keys/verify_pefile.h
new file mode 100644
index 000000000000..e165d23458d4
--- /dev/null
+++ b/crypto/asymmetric_keys/verify_pefile.h
@@ -0,0 +1,37 @@
+/* PE Binary parser bits
+ *
+ * Copyright (C) 2014 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.
+ */
+
+#include <linux/verify_pefile.h>
+#include <crypto/pkcs7.h>
+#include <crypto/hash_info.h>
+
+struct pefile_context {
+ unsigned header_size;
+ unsigned image_checksum_offset;
+ unsigned cert_dirent_offset;
+ unsigned n_data_dirents;
+ unsigned n_sections;
+ unsigned certs_size;
+ unsigned sig_offset;
+ unsigned sig_len;
+ const struct section_header *secs;
+ struct pkcs7_message *pkcs7;
+
+ /* PKCS#7 MS Individual Code Signing content */
+ const void *digest; /* Digest */
+ unsigned digest_len; /* Digest length */
+ enum hash_algo digest_algo; /* Digest algorithm */
+};
+
+#define kenter(FMT, ...) \
+ pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)
+#define kleave(FMT, ...) \
+ pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)