tomcrypt/eax_addheader.c

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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
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* guarantee it works.
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*
* Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
*/
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/* EAX Implementation by Tom St Denis */
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#include "mycrypt.h"
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#ifdef EAX_MODE
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/* add header (metadata) to the stream */
int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length)
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{
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_ARGCHK(eax != NULL);
_ARGCHK(header != NULL);
return omac_process(&eax->headeromac, header, length);
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}
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#endif