Mercurial > dropbear
diff libtomcrypt/src/modes/f8/f8_getiv.c @ 415:8b9aba1d5fa4 channel-fix
merge of '73fe066c5d9e2395354ba74756124d45c978a04d'
and 'f5014cc84558f1e8eba42dbecf9f72f94bfe6134'
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Tue, 06 Feb 2007 16:00:18 +0000 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtomcrypt/src/modes/f8/f8_getiv.c Tue Feb 06 16:00:18 2007 +0000 @@ -0,0 +1,46 @@ +/* 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.com + */ +#include "tomcrypt.h" + +/** + @file ofb_getiv.c + F8 implementation, get IV, Tom St Denis +*/ + +#ifdef LTC_F8_MODE + +/** + Get the current initial vector + @param IV [out] The destination of the initial vector + @param len [in/out] The max size and resulting size of the initial vector + @param f8 The F8 state + @return CRYPT_OK if successful +*/ +int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8) +{ + LTC_ARGCHK(IV != NULL); + LTC_ARGCHK(len != NULL); + LTC_ARGCHK(f8 != NULL); + if ((unsigned long)f8->blocklen > *len) { + *len = f8->blocklen; + return CRYPT_BUFFER_OVERFLOW; + } + XMEMCPY(IV, f8->IV, f8->blocklen); + *len = f8->blocklen; + + return CRYPT_OK; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/modes/f8/f8_getiv.c,v $ */ +/* $Revision: 1.2 $ */ +/* $Date: 2006/06/16 22:49:25 $ */