Imported Upstream version 2.3.7

[platform/upstream/cryptsetup.git] / lib / utils_crypt.h

diff --git a/lib/utils_crypt.h b/lib/utils_crypt.h
index 10ed36e..9b74969 100644 (file)
--- a/lib/utils_crypt.h
+++ b/lib/utils_crypt.h
@@ -1,9 +1,44 @@
+/*
+ * utils_crypt - cipher utilities for cryptsetup
+ *
+ * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
+ * Copyright (C) 2009-2021 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2021 Milan Broz
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
 #ifndef _UTILS_CRYPT_H
 #define _UTILS_CRYPT_H
 
+#include <stdbool.h>
+#include <unistd.h>
+
 #define MAX_CIPHER_LEN         32
-#define MAX_CIPHER_LEN_STR     "32"
+#define MAX_CIPHER_LEN_STR     "31"
+#define MAX_KEYFILES           32
+
+int crypt_parse_name_and_mode(const char *s, char *cipher,
+                             int *key_nums, char *cipher_mode);
+int crypt_parse_hash_integrity_mode(const char *s, char *integrity);
+int crypt_parse_integrity_mode(const char *s, char *integrity,
+                              int *integrity_key_size);
+int crypt_parse_pbkdf(const char *s, const char **pbkdf);
+
+ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc);
 
-int crypt_parse_name_and_mode(const char *s, char *cipher, char *cipher_mode);
+bool crypt_is_cipher_null(const char *cipher_spec);
 
 #endif /* _UTILS_CRYPT_H */