* utils_crypt - cipher utilities for cryptsetup
*
* Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
- * Copyright (C) 2009-2020 Red Hat, Inc. All rights reserved.
- * Copyright (C) 2009-2020 Milan Broz
+ * 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
#ifndef _UTILS_CRYPT_H
#define _UTILS_CRYPT_H
-#include <unistd.h>
+#include <stdbool.h>
-#define MAX_CIPHER_LEN 32
-#define MAX_CIPHER_LEN_STR "31"
-#define MAX_KEYFILES 32
+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_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 */