/* 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 *//* EAX Implementation by Tom St Denis */#include "mycrypt.h"#ifdef EAX_MODEint eax_encrypt_authenticate_memory(int cipher,    const unsigned char *key,    unsigned long keylen,    const unsigned char *nonce,  unsigned long noncelen,    const unsigned char *header, unsigned long headerlen,    const unsigned char *pt,     unsigned long ptlen,          unsigned char *ct,          unsigned char *tag,    unsigned long *taglen){   int err;   eax_state eax;   if ((err = eax_init(&eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) {      return err;   }   if ((err = eax_encrypt(&eax, pt, ct, ptlen)) != CRYPT_OK) {      return err;   }    if ((err = eax_done(&eax, tag, taglen)) != CRYPT_OK) {      return err;   }   return CRYPT_OK;}#endif