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torque
2023-11-06 23:46:37 -08:00
parent e2db88c634
commit 2b68369a2b
1216 changed files with 563118 additions and 0 deletions
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176
crypto/idea/i_cbc.c Normal file
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/* $OpenBSD: i_cbc.c,v 1.6 2023/07/08 10:44:00 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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 <openssl/idea.h>
#include "idea_local.h"
void
idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt)
{
unsigned long tin0, tin1;
unsigned long tout0, tout1, xor0, xor1;
long l = length;
unsigned 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;
idea_encrypt(tin, ks);
tout0 = tin[0];
l2n(tout0, out);
tout1 = tin[1];
l2n(tout1, out);
}
if (l != -8) {
n2ln(in, tin0, tin1, l + 8);
tin0 ^= tout0;
tin1 ^= tout1;
tin[0] = tin0;
tin[1] = tin1;
idea_encrypt(tin, ks);
tout0 = tin[0];
l2n(tout0, out);
tout1 = tin[1];
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);
tin[0] = tin0;
n2l(in, tin1);
tin[1] = tin1;
idea_encrypt(tin, ks);
tout0 = tin[0] ^ xor0;
tout1 = tin[1] ^ xor1;
l2n(tout0, out);
l2n(tout1, out);
xor0 = tin0;
xor1 = tin1;
}
if (l != -8) {
n2l(in, tin0);
tin[0] = tin0;
n2l(in, tin1);
tin[1] = tin1;
idea_encrypt(tin, ks);
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;
}
LCRYPTO_ALIAS(idea_cbc_encrypt);
void
idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key)
{
IDEA_INT *p;
unsigned long x1, x2, x3, x4, t0, t1, ul;
x2 = d[0];
x1 = (x2 >> 16);
x4 = d[1];
x3 = (x4 >> 16);
p = &(key->data[0][0]);
E_IDEA(0);
E_IDEA(1);
E_IDEA(2);
E_IDEA(3);
E_IDEA(4);
E_IDEA(5);
E_IDEA(6);
E_IDEA(7);
x1 &= 0xffff;
idea_mul(x1, x1, *p, ul);
p++;
t0 = x3 + *(p++);
t1 = x2 + *(p++);
x4 &= 0xffff;
idea_mul(x4, x4, *p, ul);
d[0] = (t0 & 0xffff)|((x1 & 0xffff) << 16);
d[1] = (x4 & 0xffff)|((t1 & 0xffff) << 16);
}
LCRYPTO_ALIAS(idea_encrypt);

124
crypto/idea/i_cfb64.c Normal file
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/* $OpenBSD: i_cfb64.c,v 1.6 2023/07/08 10:44:00 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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 <openssl/idea.h>
#include "idea_local.h"
/* The input and output encrypted as though 64bit cfb mode is being
* used. The extra state information to record how much of the
* 64bit block we have used is contained in *num;
*/
void
idea_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, IDEA_KEY_SCHEDULE *schedule,
unsigned char *ivec, int *num, int encrypt)
{
unsigned long v0, v1, t;
int n = *num;
long l = length;
unsigned long ti[2];
unsigned char *iv, c, cc;
iv = (unsigned char *)ivec;
if (encrypt) {
while (l--) {
if (n == 0) {
n2l(iv, v0);
ti[0] = v0;
n2l(iv, v1);
ti[1] = v1;
idea_encrypt((unsigned long *)ti, schedule);
iv = (unsigned char *)ivec;
t = ti[0];
l2n(t, iv);
t = ti[1];
l2n(t, iv);
iv = (unsigned char *)ivec;
}
c = *(in++) ^ iv[n];
*(out++) = c;
iv[n] = c;
n = (n + 1) & 0x07;
}
} else {
while (l--) {
if (n == 0) {
n2l(iv, v0);
ti[0] = v0;
n2l(iv, v1);
ti[1] = v1;
idea_encrypt((unsigned long *)ti, schedule);
iv = (unsigned char *)ivec;
t = ti[0];
l2n(t, iv);
t = ti[1];
l2n(t, iv);
iv = (unsigned char *)ivec;
}
cc = *(in++);
c = iv[n];
iv[n] = cc;
*(out++) = c ^ cc;
n = (n + 1) & 0x07;
}
}
v0 = v1 = ti[0] = ti[1] = t = c = cc = 0;
*num = n;
}
LCRYPTO_ALIAS(idea_cfb64_encrypt);

80
crypto/idea/i_ecb.c Normal file
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/* $OpenBSD: i_ecb.c,v 1.7 2023/07/28 10:35:14 tb Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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 <openssl/idea.h>
#include "idea_local.h"
#include <openssl/opensslv.h>
void
idea_ecb_encrypt(const unsigned char *in, unsigned char *out,
IDEA_KEY_SCHEDULE *ks)
{
unsigned long l0, l1, d[2];
n2l(in, l0);
d[0] = l0;
n2l(in, l1);
d[1] = l1;
idea_encrypt(d, ks);
l0 = d[0];
l2n(l0, out);
l1 = d[1];
l2n(l1, out);
l0 = l1 = d[0] = d[1] = 0;
}
LCRYPTO_ALIAS(idea_ecb_encrypt);

111
crypto/idea/i_ofb64.c Normal file
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/* $OpenBSD: i_ofb64.c,v 1.6 2023/07/08 10:44:00 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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 <openssl/idea.h>
#include "idea_local.h"
/* The input and output encrypted as though 64bit ofb mode is being
* used. The extra state information to record how much of the
* 64bit block we have used is contained in *num;
*/
void
idea_ofb64_encrypt(const unsigned char *in, unsigned char *out,
long length, IDEA_KEY_SCHEDULE *schedule,
unsigned char *ivec, int *num)
{
unsigned long v0, v1, t;
int n = *num;
long l = length;
unsigned char d[8];
char *dp;
unsigned long ti[2];
unsigned char *iv;
int save = 0;
iv = (unsigned char *)ivec;
n2l(iv, v0);
n2l(iv, v1);
ti[0] = v0;
ti[1] = v1;
dp = (char *)d;
l2n(v0, dp);
l2n(v1, dp);
while (l--) {
if (n == 0) {
idea_encrypt((unsigned long *)ti, schedule);
dp = (char *)d;
t = ti[0];
l2n(t, dp);
t = ti[1];
l2n(t, dp);
save++;
}
*(out++) = *(in++) ^ d[n];
n = (n + 1) & 0x07;
}
if (save) {
v0 = ti[0];
v1 = ti[1];
iv = (unsigned char *)ivec;
l2n(v0, iv);
l2n(v1, iv);
}
t = v0 = v1 = ti[0] = ti[1] = 0;
*num = n;
}
LCRYPTO_ALIAS(idea_ofb64_encrypt);

169
crypto/idea/i_skey.c Normal file
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/* $OpenBSD: i_skey.c,v 1.7 2023/07/08 10:44:00 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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 <openssl/crypto.h>
#include <openssl/idea.h>
#include "idea_local.h"
static IDEA_INT inverse(unsigned int xin);
void
idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
{
int i;
IDEA_INT *kt, *kf, r0, r1, r2;
kt = &(ks->data[0][0]);
n2s(key, kt[0]);
n2s(key, kt[1]);
n2s(key, kt[2]);
n2s(key, kt[3]);
n2s(key, kt[4]);
n2s(key, kt[5]);
n2s(key, kt[6]);
n2s(key, kt[7]);
kf = kt;
kt += 8;
for (i = 0; i < 6; i++)
{
r2 = kf[1];
r1 = kf[2];
*(kt++) = ((r2 << 9) | (r1 >> 7)) & 0xffff;
r0 = kf[3];
*(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff;
r1 = kf[4];
*(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff;
r0 = kf[5];
*(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff;
r1 = kf[6];
*(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff;
r0 = kf[7];
*(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff;
r1 = kf[0];
if (i >= 5)
break;
*(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff;
*(kt++) = ((r1 << 9) | (r2 >> 7)) & 0xffff;
kf += 8;
}
}
LCRYPTO_ALIAS(idea_set_encrypt_key);
void
idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk)
{
int r;
IDEA_INT *fp, *tp, t;
tp = &(dk->data[0][0]);
fp = &(ek->data[8][0]);
for (r = 0; r < 9; r++)
{
*(tp++) = inverse(fp[0]);
*(tp++) = ((int)(0x10000L - fp[2]) & 0xffff);
*(tp++) = ((int)(0x10000L - fp[1]) & 0xffff);
*(tp++) = inverse(fp[3]);
if (r == 8)
break;
fp -= 6;
*(tp++) = fp[4];
*(tp++) = fp[5];
}
tp = &(dk->data[0][0]);
t = tp[1];
tp[1] = tp[2];
tp[2] = t;
t = tp[49];
tp[49] = tp[50];
tp[50] = t;
}
LCRYPTO_ALIAS(idea_set_decrypt_key);
/* taken directly from the 'paper' I'll have a look at it later */
static IDEA_INT
inverse(unsigned int xin)
{
long n1, n2, q, r, b1, b2, t;
if (xin == 0)
b2 = 0;
else {
n1 = 0x10001;
n2 = xin;
b2 = 1;
b1 = 0;
do {
r = (n1 % n2);
q = (n1 - r)/n2;
if (r == 0) {
if (b2 < 0)
b2 = 0x10001 + b2;
} else {
n1 = n2;
n2 = r;
t = b2;
b2 = b1 - q*b2;
b1 = t;
}
} while (r != 0);
}
return ((IDEA_INT)b2);
}

149
crypto/idea/idea_local.h Normal file
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/* $OpenBSD: idea_local.h,v 1.2 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* 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@cryptsoft.com).
*
* 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@cryptsoft.com)"
* 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@cryptsoft.com)"
*
* 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.]
*/
/* The new form of this macro (check if the a*b == 0) was suggested by
* Colin Plumb <colin@nyx10.cs.du.edu> */
/* Removal of the inner if from from Wei Dai 24/4/96 */
#define idea_mul(r,a,b,ul) \
ul=(unsigned long)a*b; \
if (ul != 0) \
{ \
r=(ul&0xffff)-(ul>>16); \
r-=((r)>>16); \
} \
else \
r=(-(int)a-b+1); /* assuming a or b is 0 and in range */
/* 7/12/95 - Many thanks to Rhys Weatherley <rweather@us.oracle.com>
* for pointing out that I was assuming little endian
* byte order for all quantities what idea
* actually used bigendian. No where in the spec does it mention
* this, it is all in terms of 16 bit numbers and even the example
* does not use byte streams for the input example :-(.
* If you byte swap each pair of input, keys and iv, the functions
* would produce the output as the old version :-(.
*/
/* NOTE - c is not incremented as per n2l */
#define n2ln(c,l1,l2,n) { \
c+=n; \
l1=l2=0; \
switch (n) { \
case 8: l2 =((unsigned long)(*(--(c)))) ; \
case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
case 6: l2|=((unsigned long)(*(--(c))))<<16; \
case 5: l2|=((unsigned long)(*(--(c))))<<24; \
case 4: l1 =((unsigned long)(*(--(c)))) ; \
case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
case 2: l1|=((unsigned long)(*(--(c))))<<16; \
case 1: l1|=((unsigned long)(*(--(c))))<<24; \
} \
}
/* NOTE - c is not incremented as per l2n */
#define l2nn(l1,l2,c,n) { \
c+=n; \
switch (n) { \
case 8: *(--(c))=(unsigned char)(((l2) )&0xff);\
case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff);\
case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff);\
case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff);\
case 4: *(--(c))=(unsigned char)(((l1) )&0xff);\
case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff);\
case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff);\
case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff);\
} \
}
#undef n2l
#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
l|=((unsigned long)(*((c)++)))<<16L, \
l|=((unsigned long)(*((c)++)))<< 8L, \
l|=((unsigned long)(*((c)++))))
#undef l2n
#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#undef s2n
#define s2n(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
*((c)++)=(unsigned char)(((l)>> 8L)&0xff))
#undef n2s
#define n2s(c,l) (l =((IDEA_INT)(*((c)++)))<< 8L, \
l|=((IDEA_INT)(*((c)++))) )
#define E_IDEA(num) \
x1&=0xffff; \
idea_mul(x1,x1,*p,ul); p++; \
x2+= *(p++); \
x3+= *(p++); \
x4&=0xffff; \
idea_mul(x4,x4,*p,ul); p++; \
t0=(x1^x3)&0xffff; \
idea_mul(t0,t0,*p,ul); p++; \
t1=(t0+(x2^x4))&0xffff; \
idea_mul(t1,t1,*p,ul); p++; \
t0+=t1; \
x1^=t1; \
x4^=t0; \
ul=x2^t0; /* do the swap to x3 */ \
x2=x3^t1; \
x3=ul;