Mercurial > dropbear
view libtomcrypt/src/modes/cbc/cbc_getiv.c @ 1938:77bc00dcc19f default tip main master
Bump version to 2022.82
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 01 Apr 2022 14:43:27 +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 cbc_getiv.c CBC implementation, get IV, Tom St Denis */ #ifdef LTC_CBC_MODE /** Get the current initialization vector @param IV [out] The destination of the initialization vector @param len [in/out] The max size and resulting size of the initialization vector @param cbc The CBC state @return CRYPT_OK if successful */ int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc) { LTC_ARGCHK(IV != NULL); LTC_ARGCHK(len != NULL); LTC_ARGCHK(cbc != NULL); if ((unsigned long)cbc->blocklen > *len) { *len = cbc->blocklen; return CRYPT_BUFFER_OVERFLOW; } XMEMCPY(IV, cbc->IV, cbc->blocklen); *len = cbc->blocklen; return CRYPT_OK; } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */