36 lines
933 B
C

/* 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.
*/
#include "tomcrypt.h"
#ifdef LTC_CCM_MODE
/**
Reset a CCM state to as if you just called ccm_init(). This saves the initialization time.
@param ccm The CCM state to reset
@return CRYPT_OK on success
*/
int ccm_reset(ccm_state *ccm)
{
LTC_ARGCHK(ccm != NULL);
zeromem(ccm->PAD, sizeof(ccm->PAD));
zeromem(ccm->ctr, sizeof(ccm->ctr));
zeromem(ccm->CTRPAD, sizeof(ccm->CTRPAD));
ccm->CTRlen = 0;
ccm->current_ptlen = 0;
ccm->current_aadlen = 0;
return CRYPT_OK;
}
#endif
/* ref: HEAD -> master, tag: v1.18.2 */
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
/* commit time: 2018-07-01 22:49:01 +0200 */