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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, tomstdenis@gmail.com, http://libtomcrypt.org
*/
#include "tomcrypt.h"
#ifdef PACKET
int packet_valid_header(unsigned char *src, int section, int subsection)
{
unsigned long ver;
LTC_ARGCHK(src != NULL);
/* check version */
ver = ((unsigned long)src[0]) | ((unsigned long)src[1] << 8U);
if (CRYPT < ver) {
return CRYPT_INVALID_PACKET;
}
/* check section and subsection */
if (section != (int)src[2] || subsection != (int)src[3]) {
return CRYPT_INVALID_PACKET;
}
return CRYPT_OK;
}
#endif
/* $Source: /cvs/libtom/libtomcrypt/src/pk/packet_valid_header.c,v $ */
/* $Revision: 1.3 $ */
/* $Date: 2005/05/05 14:35:59 $ */
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