remove files we no longer need/maintain. sync with kame

This commit is contained in:
itojun 2001-05-27 01:03:53 +00:00
parent 6ebe782061
commit 00e5ad3408
5 changed files with 0 additions and 1309 deletions

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/* $NetBSD: bf_cbc.c,v 1.2 2000/08/31 06:46:21 itojun Exp $ */
/* $KAME: bf_cbc.c,v 1.4 2000/08/31 05:41:02 itojun Exp $ */
/* crypto/bf/bf_cbc.c */
/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@mincom.oz.au).
* 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
* 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 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 :-).
* 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)"
*
* 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/types.h>
#include <crypto/blowfish/blowfish.h>
#include <crypto/blowfish/bf_locl.h>
void BF_cbc_encrypt(in, out, length, ks, iv, encrypt)
unsigned char *in;
unsigned char *out;
long length;
BF_KEY *ks;
unsigned char *iv;
int encrypt;
{
register BF_LONG tin0,tin1;
register BF_LONG tout0,tout1,xor0,xor1;
register long l=length;
BF_LONG tin[2];
if (encrypt)
{
n2l(iv,tout0);
n2l(iv,tout1);
iv-=8;
for (l-=8; l>=0; l-=8)
{
n2l(in,tin0);
n2l(in,tin1);
tin0^=tout0;
tin1^=tout1;
tin[0]=tin0;
tin[1]=tin1;
BF_encrypt(tin,ks,BF_ENCRYPT);
tout0=tin[0];
tout1=tin[1];
l2n(tout0,out);
l2n(tout1,out);
}
if (l != -8)
{
n2ln(in,tin0,tin1,l+8);
tin0^=tout0;
tin1^=tout1;
tin[0]=tin0;
tin[1]=tin1;
BF_encrypt(tin,ks,BF_ENCRYPT);
tout0=tin[0];
tout1=tin[1];
l2n(tout0,out);
l2n(tout1,out);
}
l2n(tout0,iv);
l2n(tout1,iv);
}
else
{
n2l(iv,xor0);
n2l(iv,xor1);
iv-=8;
for (l-=8; l>=0; l-=8)
{
n2l(in,tin0);
n2l(in,tin1);
tin[0]=tin0;
tin[1]=tin1;
BF_encrypt(tin,ks,BF_DECRYPT);
tout0=tin[0]^xor0;
tout1=tin[1]^xor1;
l2n(tout0,out);
l2n(tout1,out);
xor0=tin0;
xor1=tin1;
}
if (l != -8)
{
n2l(in,tin0);
n2l(in,tin1);
tin[0]=tin0;
tin[1]=tin1;
BF_encrypt(tin,ks,BF_DECRYPT);
tout0=tin[0]^xor0;
tout1=tin[1]^xor1;
l2nn(tout0,tout1,out,l+8);
xor0=tin0;
xor1=tin1;
}
l2n(xor0,iv);
l2n(xor1,iv);
}
tin0=tin1=tout0=tout1=xor0=xor1=0;
tin[0]=tin[1]=0;
}

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/* $NetBSD: bf_cbc_m.c,v 1.2 2000/08/31 06:46:21 itojun Exp $ */
/* $KAME: bf_cbc_m.c,v 1.5 2000/08/31 05:41:03 itojun Exp $ */
/*
* heavily modified to accept mbuf, by Jun-ichiro itojun Itoh
* <itojun@itojun.org>, 1997.
*/
/* crypto/bf/bf_cbc.c */
/* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@mincom.oz.au).
* 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
* 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 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 :-).
* 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)"
*
* 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/types.h>
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/systm.h>
#include <crypto/blowfish/blowfish.h>
#include <crypto/blowfish/bf_locl.h>
#define panic(x) do { printf(x); return EINVAL; } while (0)
int BF_cbc_encrypt_m(m0, skip, length, key, iv, mode)
struct mbuf *m0;
int skip;
int length;
BF_KEY *key;
unsigned char *iv;
int mode;
{
u_int8_t inbuf[8], outbuf[8];
struct mbuf *m;
size_t off;
register BF_LONG tin0, tin1;
register BF_LONG tout0, tout1;
BF_LONG tin[2];
/* 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 == BF_ENCRYPT) {
u_int8_t *in, *out;
n2l(iv, tout0);
n2l(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];
n2l(in, tin0);
n2l(in, tin1);
tin0 ^= tout0; tin[0] = tin0;
tin1 ^= tout1; tin[1] = tin1;
BF_encrypt(tin, key, BF_ENCRYPT);
tout0 = tin[0]; l2n(tout0, out);
tout1 = tin[1]; l2n(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 == 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;
}

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/* $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;
}

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/* $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;
}

View File

@ -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;
}