summaryrefslogtreecommitdiffstats
path: root/lib/utils_crypt.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--lib/utils_crypt.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/utils_crypt.h b/lib/utils_crypt.h
new file mode 100644
index 0000000..9b74969
--- /dev/null
+++ b/lib/utils_crypt.h
@@ -0,0 +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 "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);
+
+bool crypt_is_cipher_null(const char *cipher_spec);
+
+#endif /* _UTILS_CRYPT_H */