/* 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_MODE/* add header (metadata) to the stream */int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length){   _ARGCHK(eax    != NULL);   _ARGCHK(header != NULL);   return omac_process(&eax->headeromac, header, length);}#endif