/* 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: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */