ctr_decrypt.c 598 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 CTR
  13. int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr)
  14. {
  15. _ARGCHK(pt != NULL);
  16. _ARGCHK(ct != NULL);
  17. _ARGCHK(ctr != NULL);
  18. return ctr_encrypt(ct, pt, len, ctr);
  19. }
  20. #endif