/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org */#include "mycrypt.h"int prng_is_valid(int idx){   if (idx < 0 || idx >= TAB_SIZE || prng_descriptor[idx].name == NULL) {      return CRYPT_INVALID_PRNG;   }   return CRYPT_OK;}