Mercurial > dropbear
view ofb_setiv.c @ 125:d16fc1b2223d libtomcrypt
merge of 8231809d2509aa54773443786e3123766438d924
and e30f886c9c14efb01f49297b3fb6b97c8868fd88
author | Matt Johnston <matt@ucc.asn.au> |
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date | Tue, 14 Sep 2004 13:28:31 +0000 |
parents | 6362d3854bb4 |
children |
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/* 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, [email protected], http://libtomcrypt.org */ #include "mycrypt.h" #ifdef OFB int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb) { int err; _ARGCHK(IV != NULL); _ARGCHK(ofb != NULL); if ((err = cipher_is_valid(ofb->cipher)) != CRYPT_OK) { return err; } if (len != (unsigned long)ofb->blocklen) { return CRYPT_INVALID_ARG; } /* force next block */ ofb->padlen = 0; cipher_descriptor[ofb->cipher].ecb_encrypt(IV, ofb->IV, &ofb->key); return CRYPT_OK; } #endif