Mercurial > dropbear
view libtomcrypt/src/modes/f8/f8_getiv.c @ 1265:81ae6ed4e2f4
use #ifdef like everywhere
author | Francois Perrad <francois.perrad@gadz.org> |
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date | Thu, 31 Dec 2015 17:22:58 +0100 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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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.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 $ */