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Diffstat (limited to 'lib/utils_crypt.h')
-rw-r--r-- | lib/utils_crypt.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/utils_crypt.h b/lib/utils_crypt.h new file mode 100644 index 0000000..239805d --- /dev/null +++ b/lib/utils_crypt.h @@ -0,0 +1,55 @@ +/* + * utils_crypt - cipher utilities for cryptsetup + * + * Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org> + * Copyright (C) 2009-2019 Red Hat, Inc. All rights reserved. + * Copyright (C) 2009-2019 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 <unistd.h> + +#define MAX_CIPHER_LEN 32 +#define MAX_CIPHER_LEN_STR "31" +#define MAX_KEYFILES 32 + +struct crypt_device; + +/* Not to be used directly */ +struct safe_allocation { + size_t size; + char data[0]; +}; + +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); + +void *crypt_safe_alloc(size_t size); +void crypt_safe_free(void *data); +void *crypt_safe_realloc(void *data, size_t size); + +void crypt_memzero(void *s, size_t n); + +ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc); + +#endif /* _UTILS_CRYPT_H */ |