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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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* The library is free for all purposes without any express
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* Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
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int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb)
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if ((unsigned long)ofb->blocklen > *len) {
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return CRYPT_BUFFER_OVERFLOW;
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XMEMCPY(IV, ofb->IV, ofb->blocklen);