mirror of
https://gitlab.com/cryptsetup/cryptsetup.git
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7fb98caa79
We already support activation of a device using a volume key in keyring. However, in case of multi-key devices (i.e. device with reencryption running) we need to supply two volume keys.
58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
/*
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* utils_crypt - cipher utilities for cryptsetup
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*
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* Copyright (C) 2004-2007 Clemens Fruhwirth <clemens@endorphin.org>
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* Copyright (C) 2009-2023 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2009-2023 Milan Broz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _UTILS_CRYPT_H
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#define _UTILS_CRYPT_H
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#include <stdbool.h>
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struct crypt_device;
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#define MAX_CIPHER_LEN 32
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#define MAX_CIPHER_LEN_STR "31"
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#define MAX_KEYFILES 32
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#define MAX_KEYRING_LINKS 2
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#define MAX_VK_IN_KEYRING 2
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#define MAX_CAPI_ONE_LEN 2 * MAX_CIPHER_LEN
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#define MAX_CAPI_ONE_LEN_STR "63" /* for sscanf length + '\0' */
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#define MAX_CAPI_LEN 144 /* should be enough to fit whole capi string */
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#define MAX_INTEGRITY_LEN 64
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int crypt_parse_name_and_mode(const char *s, char *cipher,
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int *key_nums, char *cipher_mode);
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int crypt_parse_hash_integrity_mode(const char *s, char *integrity);
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int crypt_parse_integrity_mode(const char *s, char *integrity,
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int *integrity_key_size);
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int crypt_parse_pbkdf(const char *s, const char **pbkdf);
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ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc);
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char *crypt_bytes_to_hex(size_t size, const char *bytes);
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void crypt_log_hex(struct crypt_device *cd,
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const char *bytes, size_t size,
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const char *sep, int numwrap, const char *wrapsep);
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bool crypt_is_cipher_null(const char *cipher_spec);
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int crypt_capi_to_cipher(char **org_c, char **org_i, const char *c_dm, const char *i_dm);
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#endif /* _UTILS_CRYPT_H */
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