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40 lines
1.1 KiB
40 lines
1.1 KiB
#define LTC_SOURCE
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
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*/
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/**
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@file eax_addheader.c
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EAX implementation, add meta-data, by Tom St Denis
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*/
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#include "tomcrypt.h"
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#ifdef EAX_MODE
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/**
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add header (metadata) to the stream
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@param eax The current EAX state
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@param header The header (meta-data) data you wish to add to the state
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@param length The length of the header data
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@return CRYPT_OK if successful
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*/
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int eax_addheader(eax_state *eax, const unsigned char *header,
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unsigned long length)
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{
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LTC_ARGCHK(eax != NULL);
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LTC_ARGCHK(header != NULL);
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return omac_process(&eax->headeromac, header, length);
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}
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#endif
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/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_addheader.c,v $ */
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/* $Revision: 1.4 $ */
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/* $Date: 2006/03/31 14:15:35 $ */
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