/* 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 OFB int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb) { _ARGCHK(IV != NULL); _ARGCHK(len != NULL); _ARGCHK(ofb != NULL); if ((unsigned long)ofb->blocklen > *len) { return CRYPT_BUFFER_OVERFLOW; } XMEMCPY(IV, ofb->IV, ofb->blocklen); *len = ofb->blocklen; return CRYPT_OK; } #endif