/lib/utils_crypt.h

https://gitlab.com/omos/cryptsetup · C Header · 47 lines · 17 code · 9 blank · 21 comment · 0 complexity · 8cf51e16efa58cf54538551693e1c3b7 MD5 · raw file 

    

  1. /*
    2. 

  2.  * utils_crypt - cipher utilities for cryptsetup
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2004-2007, Clemens Fruhwirth <clemens@endorphin.org>
    5. 

  5.  * Copyright (C) 2009-2017, Red Hat, Inc. All rights reserved.
    6. 

  6.  * Copyright (C) 2009-2017, Milan Broz
    7. 

  7.  *
    8. 

  8.  * This program is free software; you can redistribute it and/or
    9. 

  9.  * modify it under the terms of the GNU General Public License
    10. 

  10.  * as published by the Free Software Foundation; either version 2
    11. 

  11.  * of the License, or (at your option) any later version.
    12. 

  12.  *
    13. 

  13.  * This program is distributed in the hope that it will be useful,
    14. 

  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    15. 

  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    16. 

  16.  * GNU General Public License for more details.
    17. 

  17.  *
    18. 

  18.  * You should have received a copy of the GNU General Public License
    19. 

  19.  * along with this program; if not, write to the Free Software
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  20.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    21. 

  21.  */
    22. 

  22. 

  23. #ifndef _UTILS_CRYPT_H
    24. 

  24. #define _UTILS_CRYPT_H
    25. 

  25. 

  26. #include <unistd.h>
    27. 

  27. 

  28. #define MAX_CIPHER_LEN		32
    29. 

  29. #define MAX_CIPHER_LEN_STR	"31"
    30. 

  30. #define MAX_KEYFILES		32
    31. 

  31. 

  32. struct crypt_device;
    33. 

  33. 

  34. int crypt_parse_name_and_mode(const char *s, char *cipher,
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  35. 			      int *key_nums, char *cipher_mode);
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  36. int crypt_parse_hash_integrity_mode(const char *s, char *integrity);
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  37. int crypt_parse_pbkdf(const char *s, const char **pbkdf);
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  38. 

  39. void *crypt_safe_alloc(size_t size);
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  40. void crypt_safe_free(void *data);
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  41. void *crypt_safe_realloc(void *data, size_t size);
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  42. 

  43. void crypt_memzero(void *s, size_t n);
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  44. 

  45. ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc);
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  46. 

  47. #endif /* _UTILS_CRYPT_H */
    48.