Mercurial > dropbear
view libtomcrypt/src/modes/lrw/lrw_decrypt.c @ 855:04ede40a529a
- Some fixes for old compilers like tru64 v4 from Daniel Richard G.
- Don't warn about blocking random device for prngd
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Thu, 14 Nov 2013 21:36:45 +0800 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
line wrap: on
line source
/* 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 lrw_decrypt.c LRW_MODE implementation, Decrypt blocks, Tom St Denis */ #ifdef LTC_LRW_MODE /** LRW decrypt blocks @param ct The ciphertext @param pt [out] The plaintext @param len The length in octets, must be a multiple of 16 @param lrw The LRW state */ int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw) { int err; LTC_ARGCHK(pt != NULL); LTC_ARGCHK(ct != NULL); LTC_ARGCHK(lrw != NULL); if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { return err; } if (cipher_descriptor[lrw->cipher].accel_lrw_decrypt != NULL) { return cipher_descriptor[lrw->cipher].accel_lrw_decrypt(ct, pt, len, lrw->IV, lrw->tweak, &lrw->key); } return lrw_process(ct, pt, len, LRW_DECRYPT, lrw); } #endif /* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_decrypt.c,v $ */ /* $Revision: 1.8 $ */ /* $Date: 2006/06/29 01:53:13 $ */