packet_store_header.c 732 B

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  1. /* LibTomCrypt, modular cryptographic library -- Tom St Denis
  2. *
  3. * LibTomCrypt is a library that provides various cryptographic
  4. * algorithms in a highly modular and flexible manner.
  5. *
  6. * The library is free for all purposes without any express
  7. * guarantee it works.
  8. *
  9. * Tom St Denis, [email protected], http://libtomcrypt.org
  10. */
  11. #include "mycrypt.h"
  12. #ifdef PACKET
  13. void packet_store_header(unsigned char *dst, int section, int subsection)
  14. {
  15. _ARGCHK(dst != NULL);
  16. /* store version number */
  17. dst[0] = (unsigned char)(CRYPT&255);
  18. dst[1] = (unsigned char)((CRYPT>>8)&255);
  19. /* store section and subsection */
  20. dst[2] = (unsigned char)(section & 255);
  21. dst[3] = (unsigned char)(subsection & 255);
  22. }
  23. #endif