view libtomcrypt/src/encauth/eax/eax_addheader.c @ 532:c67c8c0c6c35

merge of 'e1c100e6366c5d607af08f4abdbb0f4281df4fa9' and 'fe8161b0698c9816b98f79e3cab2b9d59f2be71b'
author Matt Johnston <matt@ucc.asn.au>
date Thu, 26 Feb 2009 13:21:14 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
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/* 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, [email protected], http://libtomcrypt.com
 */
/** 
    @file eax_addheader.c
    EAX implementation, add meta-data, by Tom St Denis 
*/
#include "tomcrypt.h"

#ifdef EAX_MODE

/** 
    add header (metadata) to the stream 
    @param eax    The current EAX state
    @param header The header (meta-data) data you wish to add to the state
    @param length The length of the header data
    @return CRYPT_OK if successful
*/
int eax_addheader(eax_state *eax, const unsigned char *header, 
                  unsigned long length)
{
   LTC_ARGCHK(eax    != NULL);
   LTC_ARGCHK(header != NULL);
   return omac_process(&eax->headeromac, header, length);
}

#endif

/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_addheader.c,v $ */
/* $Revision: 1.4 $ */
/* $Date: 2006/03/31 14:15:35 $ */