/* 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@iahu.ca, http://libtomcrypt.org */ #include "mycrypt.h" #ifdef CTR int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr) { _ARGCHK(IV != NULL); _ARGCHK(len != NULL); _ARGCHK(ctr != NULL); if ((unsigned long)ctr->blocklen > *len) { return CRYPT_BUFFER_OVERFLOW; } XMEMCPY(IV, ctr->ctr, ctr->blocklen); *len = ctr->blocklen; return CRYPT_OK; } #endif