Mercurial > dropbear
view libtomcrypt/src/encauth/ccm/ccm_reset.c @ 1593:c8c20fb57a9a
Don't read uninitialised value.
From https://github.com/libtom/libtommath/commit/1d03522625f46214733e8e143a4765c01fc146f9
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Mon, 05 Mar 2018 16:50:24 +0800 |
parents | 6dba84798cd5 |
children |
line wrap: on
line source
/* 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: $Format:%ai$ */