1 files changed, 54 insertions, 0 deletions
diff --git a/lib/utils_crypt.h b/lib/utils_crypt.h
new file mode 100644
index 0000000..92e0705
--- /dev/null
+++ b/lib/utils_crypt.h
@@ -0,0 +1,54 @@
+/*
+ * utils_crypt - cipher utilities for cryptsetup
+ *
+ * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
+ * Copyright (C) 2009-2023 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2009-2023 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>
+
+struct crypt_device;
+
+#define MAX_CIPHER_LEN       32
+#define MAX_CIPHER_LEN_STR   "31"
+#define MAX_KEYFILES         32
+#define MAX_CAPI_ONE_LEN     2 * MAX_CIPHER_LEN
+#define MAX_CAPI_ONE_LEN_STR "63"  /* for sscanf length + '\0' */
+#define MAX_CAPI_LEN         144   /* should be enough to fit whole capi string */
+
+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);
+char *crypt_bytes_to_hex(size_t size, const char *bytes);
+void crypt_log_hex(struct crypt_device *cd,
+		   const char *bytes, size_t size,
+		   const char *sep, int numwrap, const char *wrapsep);
+
+bool crypt_is_cipher_null(const char *cipher_spec);
+
+int crypt_capi_to_cipher(char **org_c, char **org_i, const char *c_dm, const char *i_dm);
+
+#endif /* _UTILS_CRYPT_H */