diff options
Diffstat (limited to 'eBones/des/cbc_enc.c')
-rw-r--r-- | eBones/des/cbc_enc.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/eBones/des/cbc_enc.c b/eBones/des/cbc_enc.c deleted file mode 100644 index c2ebd3af241a..000000000000 --- a/eBones/des/cbc_enc.c +++ /dev/null @@ -1,83 +0,0 @@ -/* cbc_enc.c */ -/* Copyright (C) 1993 Eric Young - see README for more details */ - -/*- - * $Id: cbc_enc.c,v 1.2 1994/07/19 19:21:47 g89r4222 Exp $ - */ - -#include "des_locl.h" - -int des_cbc_encrypt(input,output,length,schedule,ivec,encrypt) -des_cblock *input; -des_cblock *output; -long length; -des_key_schedule schedule; -des_cblock *ivec; -int encrypt; - { - register unsigned long tin0,tin1; - register unsigned long tout0,tout1,xor0,xor1; - register unsigned char *in,*out; - register long l=length; - unsigned long tout[2],tin[2]; - unsigned char *iv; - - in=(unsigned char *)input; - out=(unsigned char *)output; - iv=(unsigned char *)ivec; - - if (encrypt) - { - c2l(iv,tout0); - c2l(iv,tout1); - for (; l>0; l-=8) - { - if (l >= 8) - { - c2l(in,tin0); - c2l(in,tin1); - } - else - c2ln(in,tin0,tin1,l); - tin0^=tout0; - tin1^=tout1; - tin[0]=tin0; - tin[1]=tin1; - des_encrypt((unsigned long *)tin,(unsigned long *)tout, - schedule,encrypt); - tout0=tout[0]; - tout1=tout[1]; - l2c(tout0,out); - l2c(tout1,out); - } - } - else - { - c2l(iv,xor0); - c2l(iv,xor1); - for (; l>0; l-=8) - { - c2l(in,tin0); - c2l(in,tin1); - tin[0]=tin0; - tin[1]=tin1; - des_encrypt((unsigned long *)tin,(unsigned long *)tout, - schedule,encrypt); - tout0=tout[0]^xor0; - tout1=tout[1]^xor1; - if (l >= 8) - { - l2c(tout0,out); - l2c(tout1,out); - } - else - l2cn(tout0,tout1,out,l); - xor0=tin0; - xor1=tin1; - } - } - tin0=tin1=tout0=tout1=xor0=xor1=0; - tin[0]=tin[1]=tout[0]=tout[1]=0; - return(0); - } - |