remove files we no longer need/maintain. sync with kame
This commit is contained in:
parent
6ebe782061
commit
00e5ad3408
@ -1,152 +0,0 @@
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/* $NetBSD: bf_cbc.c,v 1.2 2000/08/31 06:46:21 itojun Exp $ */
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/* $KAME: bf_cbc.c,v 1.4 2000/08/31 05:41:02 itojun Exp $ */
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/* crypto/bf/bf_cbc.c */
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/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@mincom.oz.au).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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||||
* included with this distribution is covered by the same copyright terms
|
||||
* except that the holder is Tim Hudson (tjh@mincom.oz.au).
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*
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||||
* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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||||
* If this package is used in a product, Eric Young should be given attribution
|
||||
* as the author of the parts of the library used.
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||||
* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
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||||
* 1. Redistributions of source code must retain the copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
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||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* "This product includes cryptographic software written by
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* Eric Young (eay@mincom.oz.au)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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||||
* "This product includes software written by Tim Hudson (tjh@mincom.oz.au)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <sys/types.h>
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#include <crypto/blowfish/blowfish.h>
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#include <crypto/blowfish/bf_locl.h>
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void BF_cbc_encrypt(in, out, length, ks, iv, encrypt)
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unsigned char *in;
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unsigned char *out;
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long length;
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BF_KEY *ks;
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unsigned char *iv;
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int encrypt;
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{
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register BF_LONG tin0,tin1;
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register BF_LONG tout0,tout1,xor0,xor1;
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register long l=length;
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BF_LONG tin[2];
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if (encrypt)
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{
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n2l(iv,tout0);
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n2l(iv,tout1);
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iv-=8;
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for (l-=8; l>=0; l-=8)
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{
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n2l(in,tin0);
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n2l(in,tin1);
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tin0^=tout0;
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tin1^=tout1;
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tin[0]=tin0;
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tin[1]=tin1;
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BF_encrypt(tin,ks,BF_ENCRYPT);
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tout0=tin[0];
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tout1=tin[1];
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l2n(tout0,out);
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l2n(tout1,out);
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}
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if (l != -8)
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{
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n2ln(in,tin0,tin1,l+8);
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tin0^=tout0;
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tin1^=tout1;
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tin[0]=tin0;
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tin[1]=tin1;
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BF_encrypt(tin,ks,BF_ENCRYPT);
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tout0=tin[0];
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tout1=tin[1];
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l2n(tout0,out);
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l2n(tout1,out);
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}
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l2n(tout0,iv);
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l2n(tout1,iv);
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}
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else
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{
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n2l(iv,xor0);
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n2l(iv,xor1);
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iv-=8;
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for (l-=8; l>=0; l-=8)
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{
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n2l(in,tin0);
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n2l(in,tin1);
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tin[0]=tin0;
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tin[1]=tin1;
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BF_encrypt(tin,ks,BF_DECRYPT);
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tout0=tin[0]^xor0;
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tout1=tin[1]^xor1;
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l2n(tout0,out);
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l2n(tout1,out);
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xor0=tin0;
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xor1=tin1;
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}
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if (l != -8)
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{
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n2l(in,tin0);
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n2l(in,tin1);
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tin[0]=tin0;
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tin[1]=tin1;
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BF_encrypt(tin,ks,BF_DECRYPT);
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tout0=tin[0]^xor0;
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tout1=tin[1]^xor1;
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l2nn(tout0,tout1,out,l+8);
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xor0=tin0;
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xor1=tin1;
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}
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l2n(xor0,iv);
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l2n(xor1,iv);
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}
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tin0=tin1=tout0=tout1=xor0=xor1=0;
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tin[0]=tin[1]=0;
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}
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@ -1,345 +0,0 @@
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/* $NetBSD: bf_cbc_m.c,v 1.2 2000/08/31 06:46:21 itojun Exp $ */
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/* $KAME: bf_cbc_m.c,v 1.5 2000/08/31 05:41:03 itojun Exp $ */
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/*
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* heavily modified to accept mbuf, by Jun-ichiro itojun Itoh
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* <itojun@itojun.org>, 1997.
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*/
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/* crypto/bf/bf_cbc.c */
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/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
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* All rights reserved.
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*
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* This package is an SSL implementation written
|
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* by Eric Young (eay@mincom.oz.au).
|
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* The implementation was written so as to conform with Netscapes SSL.
|
||||
*
|
||||
* This library is free for commercial and non-commercial use as long as
|
||||
* the following conditions are aheared to. The following conditions
|
||||
* apply to all code found in this distribution, be it the RC4, RSA,
|
||||
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
||||
* included with this distribution is covered by the same copyright terms
|
||||
* except that the holder is Tim Hudson (tjh@mincom.oz.au).
|
||||
*
|
||||
* Copyright remains Eric Young's, and as such any Copyright notices in
|
||||
* the code are not to be removed.
|
||||
* If this package is used in a product, Eric Young should be given attribution
|
||||
* as the author of the parts of the library used.
|
||||
* This can be in the form of a textual message at program startup or
|
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* "This product includes cryptographic software written by
|
||||
* Eric Young (eay@mincom.oz.au)"
|
||||
* The word 'cryptographic' can be left out if the rouines from the library
|
||||
* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
|
||||
* the apps directory (application code) you must include an acknowledgement:
|
||||
* "This product includes software written by Tim Hudson (tjh@mincom.oz.au)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
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||||
* The licence and distribution terms for any publically available version or
|
||||
* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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||||
* [including the GNU Public Licence.]
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||||
*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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#include <sys/systm.h>
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#include <crypto/blowfish/blowfish.h>
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#include <crypto/blowfish/bf_locl.h>
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#define panic(x) do { printf(x); return EINVAL; } while (0)
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int BF_cbc_encrypt_m(m0, skip, length, key, iv, mode)
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struct mbuf *m0;
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int skip;
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int length;
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BF_KEY *key;
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unsigned char *iv;
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int mode;
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{
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u_int8_t inbuf[8], outbuf[8];
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struct mbuf *m;
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size_t off;
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register BF_LONG tin0, tin1;
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register BF_LONG tout0, tout1;
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BF_LONG tin[2];
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/* sanity checks */
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if (m0->m_pkthdr.len < skip) {
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printf("mbuf length < skip\n");
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return EINVAL;
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}
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if (m0->m_pkthdr.len < length) {
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printf("mbuf length < encrypt length\n");
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return EINVAL;
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}
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if (m0->m_pkthdr.len < skip + length) {
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printf("mbuf length < skip + encrypt length\n");
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return EINVAL;
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}
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if (length % 8) {
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printf("length is not multiple of 8\n");
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return EINVAL;
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}
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m = m0;
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off = 0;
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/* skip over the header */
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while (skip) {
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if (!m)
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panic("mbuf chain?\n");
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if (m->m_len <= skip) {
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skip -= m->m_len;
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m = m->m_next;
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off = 0;
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} else {
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off = skip;
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skip = 0;
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}
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}
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/* initialize */
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tin0 = tin1 = tout0 = tout1 = 0;
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tin[0] = tin[1] = 0;
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if (mode == BF_ENCRYPT) {
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u_int8_t *in, *out;
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n2l(iv, tout0);
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n2l(iv, tout1);
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while (0 < length) {
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if (!m)
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panic("mbuf chain?\n");
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/*
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* copy the source into input buffer.
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* don't update off or m, since we need to use them * later.
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*/
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if (off + 8 <= m->m_len)
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bcopy(mtod(m, u_int8_t *) + off, &inbuf[0], 8);
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else {
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struct mbuf *n;
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size_t noff;
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u_int8_t *p;
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u_int8_t *in;
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n = m;
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noff = off;
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p = mtod(n, u_int8_t *) + noff;
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in = &inbuf[0];
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while (in - &inbuf[0] < 8) {
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if (!p)
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panic("mbuf chain?\n");
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*in++ = *p++;
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noff++;
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if (noff < n->m_len)
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continue;
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do {
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n = n->m_next;
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} while (n && ! n->m_len);
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noff = 0;
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if (n)
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p = mtod(n, u_int8_t *) + noff;
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else
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p = NULL;
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}
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}
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in = &inbuf[0];
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out = &outbuf[0];
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n2l(in, tin0);
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n2l(in, tin1);
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tin0 ^= tout0; tin[0] = tin0;
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tin1 ^= tout1; tin[1] = tin1;
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BF_encrypt(tin, key, BF_ENCRYPT);
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tout0 = tin[0]; l2n(tout0, out);
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tout1 = tin[1]; l2n(tout1, out);
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||||
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/*
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||||
* copy the output buffer into the result.
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||||
* need to update off and m.
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||||
*/
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if (off + 8 < m->m_len) {
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bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
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off += 8;
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||||
} else if (off + 8 == m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
do {
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||||
m = m->m_next;
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||||
} while (m && ! m->m_len);
|
||||
off = 0;
|
||||
} else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
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||||
u_int8_t *p;
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||||
u_int8_t *out;
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||||
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||||
n = m;
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||||
noff = off;
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||||
p = mtod(n, u_int8_t *) + noff;
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||||
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||||
out = &outbuf[0];
|
||||
while (out - &outbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?");
|
||||
*p++ = *out++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
m = n;
|
||||
off = noff;
|
||||
}
|
||||
|
||||
length -= 8;
|
||||
}
|
||||
} else if (mode == BF_DECRYPT) {
|
||||
register BF_LONG xor0, xor1;
|
||||
u_int8_t *in, *out;
|
||||
|
||||
xor0 = xor1 = 0;
|
||||
n2l(iv, xor0);
|
||||
n2l(iv, xor1);
|
||||
|
||||
while (0 < length) {
|
||||
if (!m)
|
||||
panic("mbuf chain?\n");
|
||||
|
||||
/*
|
||||
* copy the source into input buffer.
|
||||
* don't update off or m, since we need to use them * later.
|
||||
*/
|
||||
if (off + 8 <= m->m_len)
|
||||
bcopy(mtod(m, u_int8_t *) + off, &inbuf[0], 8);
|
||||
else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *in;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
in = &inbuf[0];
|
||||
while (in - &inbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?\n");
|
||||
*in++ = *p++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
in = &inbuf[0];
|
||||
out = &outbuf[0];
|
||||
n2l(in, tin0); tin[0] = tin0;
|
||||
n2l(in, tin1); tin[1] = tin1;
|
||||
BF_encrypt(tin, key, BF_DECRYPT);
|
||||
tout0 = tin[0] ^ xor0;
|
||||
tout1 = tin[1] ^ xor1;
|
||||
l2n(tout0, out);
|
||||
l2n(tout1, out);
|
||||
xor0 = tin0;
|
||||
xor1 = tin1;
|
||||
|
||||
|
||||
/*
|
||||
* copy the output buffer into the result.
|
||||
* need to update off and m.
|
||||
*/
|
||||
if (off + 8 < m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
off += 8;
|
||||
} else if (off + 8 == m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
do {
|
||||
m = m->m_next;
|
||||
} while (m && ! m->m_len);
|
||||
off = 0;
|
||||
} else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *out;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
out = &outbuf[0];
|
||||
while (out - &outbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?\n");
|
||||
*p++ = *out++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
m = n;
|
||||
off = noff;
|
||||
}
|
||||
|
||||
length -= 8;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
@ -1,222 +0,0 @@
|
||||
/* $NetBSD: cast128_cbc.c,v 1.1.1.1 2000/06/14 19:45:34 thorpej Exp $ */
|
||||
/* $KAME: cast128_cbc.c,v 1.4 2000/06/14 10:41:17 itojun Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
/*
|
||||
* based on sys/crypto/des/des_cbc.c, rewrote by Tomomi Suzuki
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/mbuf.h>
|
||||
#include <crypto/cast128/cast128.h>
|
||||
|
||||
#define panic(x) do { printf(x); return EINVAL; } while (0)
|
||||
|
||||
int
|
||||
cast128_cbc_process(m0, skip, length, subkey, iv, keylen, mode)
|
||||
struct mbuf *m0;
|
||||
size_t skip;
|
||||
size_t length;
|
||||
u_int32_t *subkey;
|
||||
u_int8_t *iv;
|
||||
size_t keylen;
|
||||
int mode;
|
||||
{
|
||||
struct mbuf *m;
|
||||
u_int8_t inbuf[8], outbuf[8];
|
||||
size_t off;
|
||||
|
||||
/* sanity check */
|
||||
if (m0->m_pkthdr.len < skip) {
|
||||
printf("cast128_cbc_process: mbuf length < skip\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (m0->m_pkthdr.len < length) {
|
||||
printf("cast128_cbc_process: mbuf length < encrypt length\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (m0->m_pkthdr.len < skip + length) {
|
||||
printf("cast128_cbc_process: "
|
||||
"mbuf length < skip + encrypt length\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (length % 8) {
|
||||
printf("cast128_cbc_process: length is not multiple of 8\n");
|
||||
return EINVAL;
|
||||
}
|
||||
|
||||
m = m0;
|
||||
off = 0;
|
||||
|
||||
/* skip over the header */
|
||||
while (skip) {
|
||||
if (!m)
|
||||
panic("cast128_cbc_process: mbuf chain?\n");
|
||||
if (m->m_len <= skip) {
|
||||
skip -= m->m_len;
|
||||
m = m->m_next;
|
||||
off = 0;
|
||||
} else {
|
||||
off = skip;
|
||||
skip = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* copy iv into outbuf for XOR (encrypt) */
|
||||
bcopy(iv, outbuf, 8);
|
||||
|
||||
/*
|
||||
* encrypt/decrypt packet
|
||||
*/
|
||||
while (length > 0) {
|
||||
int i;
|
||||
|
||||
if (!m)
|
||||
panic("cast128_cbc_process: mbuf chain?\n");
|
||||
|
||||
/*
|
||||
* copy the source into input buffer.
|
||||
* don't update off or m, since we need to use them
|
||||
* later.
|
||||
*/
|
||||
if (off + 8 <= m->m_len)
|
||||
bcopy(mtod(m, u_int8_t *)+off, inbuf, 8);
|
||||
else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p, *in;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
in = inbuf;
|
||||
while (in - inbuf < 8) {
|
||||
if (!p) {
|
||||
panic("cast128_cbc_process: "
|
||||
"mbuf chain?\n");
|
||||
}
|
||||
*in++ = *p++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && !n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *);
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* encrypt/decrypt */
|
||||
switch (mode) {
|
||||
case CAST128_ENCRYPT:
|
||||
/* XOR */
|
||||
for (i = 0; i < 8; i++)
|
||||
inbuf[i] ^= outbuf[i];
|
||||
|
||||
/* encrypt */
|
||||
if (keylen <= 80/8)
|
||||
cast128_encrypt_round12(outbuf, inbuf, subkey);
|
||||
else
|
||||
cast128_encrypt_round16(outbuf, inbuf, subkey);
|
||||
break;
|
||||
|
||||
case CAST128_DECRYPT:
|
||||
/* decrypt */
|
||||
if (keylen <= 80/8)
|
||||
cast128_decrypt_round12(outbuf, inbuf, subkey);
|
||||
else
|
||||
cast128_decrypt_round16(outbuf, inbuf, subkey);
|
||||
|
||||
/* XOR */
|
||||
for (i = 0; i < 8; i++)
|
||||
outbuf[i] ^= iv[i];
|
||||
|
||||
/* copy inbuf into iv for next XOR */
|
||||
bcopy(inbuf, iv, 8);
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* copy the output buffer into the result.
|
||||
* need to update off and m.
|
||||
*/
|
||||
if (off + 8 < m->m_len) {
|
||||
bcopy(outbuf, mtod(m, u_int8_t *) + off, 8);
|
||||
off += 8;
|
||||
} else if (off + 8 == m->m_len) {
|
||||
bcopy(outbuf, mtod(m, u_int8_t *) + off, 8);
|
||||
do {
|
||||
m = m->m_next;
|
||||
} while (m && !m->m_len);
|
||||
off = 0;
|
||||
} else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p, *out;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
out = outbuf;
|
||||
while (out - outbuf < 8) {
|
||||
if (!p) {
|
||||
panic("cast128_cbc_process: "
|
||||
"mbuf chain?\n");
|
||||
}
|
||||
*p++ = *out++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && !n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *);
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
m = n;
|
||||
off = noff;
|
||||
}
|
||||
|
||||
length -= 8;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
@ -1,255 +0,0 @@
|
||||
/* $NetBSD: des_3cbc.c,v 1.2 2000/08/31 07:33:04 itojun Exp $ */
|
||||
/* $KAME: des_3cbc.c,v 1.5 2000/08/31 07:27:26 itojun Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the project nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
/*
|
||||
* based on sys/crypto/des/des_cbc.c, rewrote by Tomomi Suzuki
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/mbuf.h>
|
||||
#include <crypto/des/des_locl.h>
|
||||
|
||||
#define panic(x) do { printf(x); return EINVAL; } while (0)
|
||||
|
||||
int des_3cbc_process(m0, skip, length, schedule, ivec, mode)
|
||||
struct mbuf *m0;
|
||||
size_t skip;
|
||||
size_t length;
|
||||
des_key_schedule *schedule;
|
||||
des_cblock (*ivec);
|
||||
int mode;
|
||||
{
|
||||
u_int8_t inbuf[8], outbuf[8];
|
||||
struct mbuf *m;
|
||||
size_t off;
|
||||
DES_LONG tin0, tin1;
|
||||
DES_LONG tout0, tout1;
|
||||
DES_LONG tin[2];
|
||||
DES_LONG xor0 = 0, xor1 = 0;
|
||||
u_int8_t *iv;
|
||||
u_int8_t *in, *out;
|
||||
|
||||
/* sanity check */
|
||||
if (m0->m_pkthdr.len < skip) {
|
||||
printf("des_3cbc_process: mbuf length < skip\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (m0->m_pkthdr.len < length) {
|
||||
printf("des_3cbc_process: mbuf length < encrypt length\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (m0->m_pkthdr.len < skip + length) {
|
||||
printf("des_3cbc_process: mbuf length < "
|
||||
"skip + encrypt length\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (length % 8) {
|
||||
printf("des_3cbc_process: length(%lu) is not multiple of 8\n",
|
||||
(u_long)length);
|
||||
return EINVAL;
|
||||
}
|
||||
|
||||
m = m0;
|
||||
off = 0;
|
||||
|
||||
/* skip over the header */
|
||||
while (skip) {
|
||||
if (!m)
|
||||
panic("des_3cbc_process: mbuf chain?\n");
|
||||
if (m->m_len <= skip) {
|
||||
skip -= m->m_len;
|
||||
m = m->m_next;
|
||||
off = 0;
|
||||
} else {
|
||||
off = skip;
|
||||
skip = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* initialize */
|
||||
tin0 = tin1 = tout0 = tout1 = 0;
|
||||
tin[0] = tin[1] = 0;
|
||||
|
||||
switch (mode) {
|
||||
case DES_ENCRYPT:
|
||||
iv = (u_int8_t *)ivec;
|
||||
c2l(iv, tout0);
|
||||
c2l(iv, tout1);
|
||||
break;
|
||||
case DES_DECRYPT:
|
||||
xor0 = xor1 = 0;
|
||||
iv = (u_int8_t *)ivec;
|
||||
c2l(iv, xor0);
|
||||
c2l(iv, xor1);
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* encrypt/decrypt packet
|
||||
*/
|
||||
while (length > 0) {
|
||||
if (!m)
|
||||
panic("des_3cbc_process: mbuf chain?\n");
|
||||
|
||||
/*
|
||||
* copy the source into input buffer.
|
||||
* don't update off or m, since we need to use them
|
||||
* later.
|
||||
*/
|
||||
if (off + 8 <= m->m_len)
|
||||
bcopy(mtod(m, u_int8_t *) + off, &inbuf[0], 8);
|
||||
else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *in;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
in = &inbuf[0];
|
||||
while (in - &inbuf[0] < 8) {
|
||||
if (!p) {
|
||||
panic("des_3cbc_process: "
|
||||
"mbuf chain?\n");
|
||||
}
|
||||
*in++ = *p++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && !n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* encrypt/decrypt */
|
||||
switch (mode) {
|
||||
case DES_ENCRYPT:
|
||||
in = &inbuf[0];
|
||||
out = &outbuf[0];
|
||||
c2l(in, tin0);
|
||||
c2l(in, tin1);
|
||||
|
||||
/* XOR */
|
||||
tin0 ^= tout0; tin[0] = tin0;
|
||||
tin1 ^= tout1; tin[1] = tin1;
|
||||
|
||||
des_encrypt((DES_LONG *)tin, schedule[0], DES_ENCRYPT);
|
||||
des_encrypt((DES_LONG *)tin, schedule[1], DES_DECRYPT);
|
||||
des_encrypt((DES_LONG *)tin, schedule[2], DES_ENCRYPT);
|
||||
|
||||
tout0 = tin[0]; l2c(tout0, out);
|
||||
tout1 = tin[1]; l2c(tout1, out);
|
||||
break;
|
||||
case DES_DECRYPT:
|
||||
in = &inbuf[0];
|
||||
out = &outbuf[0];
|
||||
c2l(in, tin0); tin[0] = tin0;
|
||||
c2l(in, tin1); tin[1] = tin1;
|
||||
|
||||
des_encrypt((DES_LONG *)tin, schedule[2], DES_DECRYPT);
|
||||
des_encrypt((DES_LONG *)tin, schedule[1], DES_ENCRYPT);
|
||||
des_encrypt((DES_LONG *)tin, schedule[0], DES_DECRYPT);
|
||||
|
||||
/* XOR */
|
||||
tout0 = tin[0] ^ xor0;
|
||||
tout1 = tin[1] ^ xor1;
|
||||
l2c(tout0, out);
|
||||
l2c(tout1, out);
|
||||
|
||||
/* for next iv */
|
||||
xor0 = tin0;
|
||||
xor1 = tin1;
|
||||
break;
|
||||
}
|
||||
|
||||
/*
|
||||
* copy the output buffer int the result.
|
||||
* need to update off and m.
|
||||
*/
|
||||
if (off + 8 < m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
off += 8;
|
||||
} else if (off + 8 == m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
do {
|
||||
m = m->m_next;
|
||||
} while (m && !m->m_len);
|
||||
off = 0;
|
||||
} else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *out;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
out = &outbuf[0];
|
||||
while (out - &outbuf[0] < 8) {
|
||||
if (!p) {
|
||||
panic("des_3cbc_process: "
|
||||
"mbuf chain?\n");
|
||||
}
|
||||
*p++ = *out++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && !n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
m = n;
|
||||
off = noff;
|
||||
}
|
||||
|
||||
length -= 8;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -1,335 +0,0 @@
|
||||
/* $NetBSD: des_cbc.c,v 1.2 2000/08/31 07:33:04 itojun Exp $ */
|
||||
/* $KAME: des_cbc.c,v 1.5 2000/08/31 07:27:27 itojun Exp $ */
|
||||
|
||||
/*
|
||||
* heavily modified by Yoshifumi Nishida <nishida@sfc.wide.ad.jp>.
|
||||
* then, completely rewrote by Jun-ichiro itojun Itoh <itojun@itojun.org>,
|
||||
* 1997.
|
||||
*/
|
||||
/* crypto/des/cbc_enc.c */
|
||||
/* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
|
||||
* All rights reserved.
|
||||
*
|
||||
* This file is part of an SSL implementation written
|
||||
* by Eric Young (eay@mincom.oz.au).
|
||||
* The implementation was written so as to conform with Netscapes SSL
|
||||
* specification. This library and applications are
|
||||
* FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
|
||||
* as long as the following conditions are aheared to.
|
||||
*
|
||||
* Copyright remains Eric Young's, and as such any Copyright notices in
|
||||
* the code are not to be removed. If this code is used in a product,
|
||||
* Eric Young should be given attribution as the author of the parts used.
|
||||
* This can be in the form of a textual message at program startup or
|
||||
* in documentation (online or textual) provided with the package.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by Eric Young (eay@mincom.oz.au)
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* The licence and distribution terms for any publically available version or
|
||||
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
||||
* copied and put under another distribution licence
|
||||
* [including the GNU Public Licence.]
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/mbuf.h>
|
||||
#include <crypto/des/des_locl.h>
|
||||
|
||||
#define panic(x) do {printf(x); return EINVAL;} while (0)
|
||||
|
||||
int des_cbc_encrypt(m0, skip, length, schedule, ivec, mode)
|
||||
struct mbuf *m0;
|
||||
size_t skip;
|
||||
size_t length;
|
||||
des_key_schedule schedule;
|
||||
des_cblock (*ivec);
|
||||
int mode;
|
||||
{
|
||||
u_int8_t inbuf[8], outbuf[8];
|
||||
struct mbuf *m;
|
||||
size_t off;
|
||||
register DES_LONG tin0, tin1;
|
||||
register DES_LONG tout0, tout1;
|
||||
DES_LONG tin[2];
|
||||
u_int8_t *iv;
|
||||
|
||||
/* sanity checks */
|
||||
if (m0->m_pkthdr.len < skip) {
|
||||
printf("mbuf length < skip\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (m0->m_pkthdr.len < length) {
|
||||
printf("mbuf length < encrypt length\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (m0->m_pkthdr.len < skip + length) {
|
||||
printf("mbuf length < skip + encrypt length\n");
|
||||
return EINVAL;
|
||||
}
|
||||
if (length % 8) {
|
||||
printf("length is not multiple of 8\n");
|
||||
return EINVAL;
|
||||
}
|
||||
|
||||
m = m0;
|
||||
off = 0;
|
||||
|
||||
/* skip over the header */
|
||||
while (skip) {
|
||||
if (!m)
|
||||
panic("mbuf chain?\n");
|
||||
if (m->m_len <= skip) {
|
||||
skip -= m->m_len;
|
||||
m = m->m_next;
|
||||
off = 0;
|
||||
} else {
|
||||
off = skip;
|
||||
skip = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* initialize */
|
||||
tin0 = tin1 = tout0 = tout1 = 0;
|
||||
tin[0] = tin[1] = 0;
|
||||
|
||||
if (mode == DES_ENCRYPT) {
|
||||
u_int8_t *in, *out;
|
||||
|
||||
iv = (u_int8_t *)ivec;
|
||||
c2l(iv, tout0);
|
||||
c2l(iv, tout1);
|
||||
|
||||
while (0 < length) {
|
||||
if (!m)
|
||||
panic("mbuf chain?\n");
|
||||
|
||||
/*
|
||||
* copy the source into input buffer.
|
||||
* don't update off or m, since we need to use them * later.
|
||||
*/
|
||||
if (off + 8 <= m->m_len)
|
||||
bcopy(mtod(m, u_int8_t *) + off, &inbuf[0], 8);
|
||||
else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *in;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
in = &inbuf[0];
|
||||
while (in - &inbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?\n");
|
||||
|
||||
*in++ = *p++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
in = &inbuf[0];
|
||||
out = &outbuf[0];
|
||||
c2l(in, tin0);
|
||||
c2l(in, tin1);
|
||||
|
||||
tin0 ^= tout0; tin[0] = tin0;
|
||||
tin1 ^= tout1; tin[1] = tin1;
|
||||
des_encrypt((DES_LONG *)tin, schedule, DES_ENCRYPT);
|
||||
tout0 = tin[0]; l2c(tout0, out);
|
||||
tout1 = tin[1]; l2c(tout1, out);
|
||||
|
||||
/*
|
||||
* copy the output buffer into the result.
|
||||
* need to update off and m.
|
||||
*/
|
||||
if (off + 8 < m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
off += 8;
|
||||
} else if (off + 8 == m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
do {
|
||||
m = m->m_next;
|
||||
} while (m && ! m->m_len);
|
||||
off = 0;
|
||||
} else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *out;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
out = &outbuf[0];
|
||||
while (out - &outbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?");
|
||||
*p++ = *out++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
m = n;
|
||||
off = noff;
|
||||
}
|
||||
|
||||
length -= 8;
|
||||
}
|
||||
} else if (mode == DES_DECRYPT) {
|
||||
register DES_LONG xor0, xor1;
|
||||
u_int8_t *in, *out;
|
||||
|
||||
xor0 = xor1 = 0;
|
||||
iv = (u_int8_t *)ivec;
|
||||
c2l(iv, xor0);
|
||||
c2l(iv, xor1);
|
||||
|
||||
while (0 < length) {
|
||||
if (!m)
|
||||
panic("mbuf chain?\n");
|
||||
|
||||
/*
|
||||
* copy the source into input buffer.
|
||||
* don't update off or m, since we need to use them * later.
|
||||
*/
|
||||
if (off + 8 <= m->m_len)
|
||||
bcopy(mtod(m, u_int8_t *) + off, &inbuf[0], 8);
|
||||
else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *in;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
in = &inbuf[0];
|
||||
while (in - &inbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?\n");
|
||||
*in++ = *p++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
in = &inbuf[0];
|
||||
out = &outbuf[0];
|
||||
c2l(in, tin0); tin[0] = tin0;
|
||||
c2l(in, tin1); tin[1] = tin1;
|
||||
des_encrypt((DES_LONG *)tin, schedule, DES_DECRYPT);
|
||||
tout0 = tin[0] ^ xor0;
|
||||
tout1 = tin[1] ^ xor1;
|
||||
l2c(tout0, out);
|
||||
l2c(tout1, out);
|
||||
xor0 = tin0;
|
||||
xor1 = tin1;
|
||||
|
||||
|
||||
/*
|
||||
* copy the output buffer into the result.
|
||||
* need to update off and m.
|
||||
*/
|
||||
if (off + 8 < m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
off += 8;
|
||||
} else if (off + 8 == m->m_len) {
|
||||
bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8);
|
||||
do {
|
||||
m = m->m_next;
|
||||
} while (m && ! m->m_len);
|
||||
off = 0;
|
||||
} else {
|
||||
struct mbuf *n;
|
||||
size_t noff;
|
||||
u_int8_t *p;
|
||||
u_int8_t *out;
|
||||
|
||||
n = m;
|
||||
noff = off;
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
|
||||
out = &outbuf[0];
|
||||
while (out - &outbuf[0] < 8) {
|
||||
if (!p)
|
||||
panic("mbuf chain?\n");
|
||||
*p++ = *out++;
|
||||
noff++;
|
||||
if (noff < n->m_len)
|
||||
continue;
|
||||
do {
|
||||
n = n->m_next;
|
||||
} while (n && ! n->m_len);
|
||||
noff = 0;
|
||||
if (n)
|
||||
p = mtod(n, u_int8_t *) + noff;
|
||||
else
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
m = n;
|
||||
off = noff;
|
||||
}
|
||||
|
||||
length -= 8;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue
Block a user