burn_stack.c 534 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. void burn_stack(unsigned long len)
  13. {
  14. unsigned char buf[32];
  15. zeromem(buf, sizeof(buf));
  16. if (len > (unsigned long)sizeof(buf))
  17. burn_stack(len - sizeof(buf));
  18. }