#include "mycrypt.h" void zeromem(void *dst, size_t len) { unsigned char *mem = (unsigned char *)dst; _ARGCHK(dst != NULL); while (len-- > 0) *mem++ = 0; } void burn_stack(unsigned long len) { unsigned char buf[32]; zeromem(buf, sizeof(buf)); if (len > (unsigned long)sizeof(buf)) burn_stack(len - sizeof(buf)); }