Mercurial > dropbear
view libtomcrypt/src/modes/ofb/ofb_setiv.c @ 1756:d5680e12ac33
Move fuzzing code to fuzz/ subdirectory, improve Makefile.in
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 23 Oct 2020 23:10:20 +0800 |
parents | 6dba84798cd5 |
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. */ #include "tomcrypt.h" /** @file ofb_setiv.c OFB implementation, set IV, Tom St Denis */ #ifdef LTC_OFB_MODE /** Set an initialization vector @param IV The initialization vector @param len The length of the vector (in octets) @param ofb The OFB state @return CRYPT_OK if successful */ int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb) { int err; LTC_ARGCHK(IV != NULL); LTC_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; return cipher_descriptor[ofb->cipher].ecb_encrypt(IV, ofb->IV, &ofb->key); } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */