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torque
2023-09-03 18:24:16 -07:00
parent fbb21ed921
commit b31c897352
1205 changed files with 561101 additions and 0 deletions
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236
crypto/rc2/rc2_cbc.c Normal file
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/* $OpenBSD: rc2_cbc.c,v 1.8 2023/07/07 13:40:44 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/rc2.h>
#include "rc2_local.h"
void
RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
RC2_KEY *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) {
c2l(iv, tout0);
c2l(iv, tout1);
iv -= 8;
for (l -= 8; l >= 0; l -= 8)
{
c2l(in, tin0);
c2l(in, tin1);
tin0 ^= tout0;
tin1 ^= tout1;
tin[0] = tin0;
tin[1] = tin1;
RC2_encrypt(tin, ks);
tout0 = tin[0];
l2c(tout0, out);
tout1 = tin[1];
l2c(tout1, out);
}
if (l != -8) {
c2ln(in, tin0, tin1, l + 8);
tin0 ^= tout0;
tin1 ^= tout1;
tin[0] = tin0;
tin[1] = tin1;
RC2_encrypt(tin, ks);
tout0 = tin[0];
l2c(tout0, out);
tout1 = tin[1];
l2c(tout1, out);
}
l2c(tout0, iv);
l2c(tout1, iv);
} else {
c2l(iv, xor0);
c2l(iv, xor1);
iv -= 8;
for (l -= 8; l >= 0; l -= 8)
{
c2l(in, tin0);
tin[0] = tin0;
c2l(in, tin1);
tin[1] = tin1;
RC2_decrypt(tin, ks);
tout0 = tin[0] ^ xor0;
tout1 = tin[1] ^ xor1;
l2c(tout0, out);
l2c(tout1, out);
xor0 = tin0;
xor1 = tin1;
}
if (l != -8) {
c2l(in, tin0);
tin[0] = tin0;
c2l(in, tin1);
tin[1] = tin1;
RC2_decrypt(tin, ks);
tout0 = tin[0] ^ xor0;
tout1 = tin[1] ^ xor1;
l2cn(tout0, tout1, out, l + 8);
xor0 = tin0;
xor1 = tin1;
}
l2c(xor0, iv);
l2c(xor1, iv);
}
tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
tin[0] = tin[1] = 0;
}
LCRYPTO_ALIAS(RC2_cbc_encrypt);
void
RC2_encrypt(unsigned long *d, RC2_KEY *key)
{
int i, n;
RC2_INT *p0, *p1;
RC2_INT x0, x1, x2, x3, t;
unsigned long l;
l = d[0];
x0 = (RC2_INT)l & 0xffff;
x1 = (RC2_INT)(l >> 16L);
l = d[1];
x2 = (RC2_INT)l & 0xffff;
x3 = (RC2_INT)(l >> 16L);
n = 3;
i = 5;
p0 = p1 = &(key->data[0]);
for (;;) {
t = (x0 + (x1 & ~x3) + (x2 & x3) + *(p0++)) & 0xffff;
x0 = (t << 1)|(t >> 15);
t = (x1 + (x2 & ~x0) + (x3 & x0) + *(p0++)) & 0xffff;
x1 = (t << 2)|(t >> 14);
t = (x2 + (x3 & ~x1) + (x0 & x1) + *(p0++)) & 0xffff;
x2 = (t << 3)|(t >> 13);
t = (x3 + (x0 & ~x2) + (x1 & x2) + *(p0++)) & 0xffff;
x3 = (t << 5)|(t >> 11);
if (--i == 0) {
if (--n == 0)
break;
i = (n == 2) ? 6 : 5;
x0 += p1[x3 & 0x3f];
x1 += p1[x0 & 0x3f];
x2 += p1[x1 & 0x3f];
x3 += p1[x2 & 0x3f];
}
}
d[0] = (unsigned long)(x0 & 0xffff)|((unsigned long)(x1 & 0xffff) <<
16L);
d[1] = (unsigned long)(x2 & 0xffff)|((unsigned long)(x3 & 0xffff) <<
16L);
}
LCRYPTO_ALIAS(RC2_encrypt);
void
RC2_decrypt(unsigned long *d, RC2_KEY *key)
{
int i, n;
RC2_INT *p0, *p1;
RC2_INT x0, x1, x2, x3, t;
unsigned long l;
l = d[0];
x0 = (RC2_INT)l & 0xffff;
x1 = (RC2_INT)(l >> 16L);
l = d[1];
x2 = (RC2_INT)l & 0xffff;
x3 = (RC2_INT)(l >> 16L);
n = 3;
i = 5;
p0 = &(key->data[63]);
p1 = &(key->data[0]);
for (;;) {
t = ((x3 << 11)|(x3 >> 5)) & 0xffff;
x3 = (t - (x0 & ~x2) - (x1 & x2) - *(p0--)) & 0xffff;
t = ((x2 << 13)|(x2 >> 3)) & 0xffff;
x2 = (t - (x3 & ~x1) - (x0 & x1) - *(p0--)) & 0xffff;
t = ((x1 << 14)|(x1 >> 2)) & 0xffff;
x1 = (t - (x2 & ~x0) - (x3 & x0) - *(p0--)) & 0xffff;
t = ((x0 << 15)|(x0 >> 1)) & 0xffff;
x0 = (t - (x1 & ~x3) - (x2 & x3) - *(p0--)) & 0xffff;
if (--i == 0) {
if (--n == 0)
break;
i = (n == 2) ? 6 : 5;
x3 = (x3 - p1[x2 & 0x3f]) & 0xffff;
x2 = (x2 - p1[x1 & 0x3f]) & 0xffff;
x1 = (x1 - p1[x0 & 0x3f]) & 0xffff;
x0 = (x0 - p1[x3 & 0x3f]) & 0xffff;
}
}
d[0] = (unsigned long)(x0 & 0xffff)|((unsigned long)(x1 & 0xffff) <<
16L);
d[1] = (unsigned long)(x2 & 0xffff)|((unsigned long)(x3 & 0xffff) <<
16L);
}
LCRYPTO_ALIAS(RC2_decrypt);

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crypto/rc2/rc2_ecb.c Normal file
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/* $OpenBSD: rc2_ecb.c,v 1.9 2023/07/07 13:40:44 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/rc2.h>
#include "rc2_local.h"
#include <openssl/opensslv.h>
/* RC2 as implemented frm a posting from
* Newsgroups: sci.crypt
* Sender: pgut01@cs.auckland.ac.nz (Peter Gutmann)
* Subject: Specification for Ron Rivests Cipher No.2
* Message-ID: <4fk39f$f70@net.auckland.ac.nz>
* Date: 11 Feb 1996 06:45:03 GMT
*/
void
RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks,
int encrypt)
{
unsigned long l, d[2];
c2l(in, l);
d[0] = l;
c2l(in, l);
d[1] = l;
if (encrypt)
RC2_encrypt(d, ks);
else
RC2_decrypt(d, ks);
l = d[0];
l2c(l, out);
l = d[1];
l2c(l, out);
l = d[0] = d[1] = 0;
}
LCRYPTO_ALIAS(RC2_ecb_encrypt);

155
crypto/rc2/rc2_local.h Normal file
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/* $OpenBSD: rc2_local.h,v 1.2 2023/07/07 08:29:37 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.]
*/
#undef c2l
#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \
l|=((unsigned long)(*((c)++)))<< 8L, \
l|=((unsigned long)(*((c)++)))<<16L, \
l|=((unsigned long)(*((c)++)))<<24L)
/* NOTE - c is not incremented as per c2l */
#undef c2ln
#define c2ln(c,l1,l2,n) { \
c+=n; \
l1=l2=0; \
switch (n) { \
case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
case 5: l2|=((unsigned long)(*(--(c)))); \
case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
case 1: l1|=((unsigned long)(*(--(c)))); \
} \
}
#undef l2c
#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
*((c)++)=(unsigned char)(((l)>>16L)&0xff), \
*((c)++)=(unsigned char)(((l)>>24L)&0xff))
/* NOTE - c is not incremented as per l2c */
#undef l2cn
#define l2cn(l1,l2,c,n) { \
c+=n; \
switch (n) { \
case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff);\
case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff);\
case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff);\
case 5: *(--(c))=(unsigned char)(((l2) )&0xff);\
case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff);\
case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff);\
case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff);\
case 1: *(--(c))=(unsigned char)(((l1) )&0xff);\
} \
}
/* 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))
#define C_RC2(n) \
t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
x0=(t<<1)|(t>>15); \
t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
x1=(t<<2)|(t>>14); \
t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
x2=(t<<3)|(t>>13); \
t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
x3=(t<<5)|(t>>11);

142
crypto/rc2/rc2_skey.c Normal file
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/* $OpenBSD: rc2_skey.c,v 1.15 2023/07/07 13:40:44 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/rc2.h>
#include "rc2_local.h"
static const unsigned char key_table[256]={
0xd9,0x78,0xf9,0xc4,0x19,0xdd,0xb5,0xed,0x28,0xe9,0xfd,0x79,
0x4a,0xa0,0xd8,0x9d,0xc6,0x7e,0x37,0x83,0x2b,0x76,0x53,0x8e,
0x62,0x4c,0x64,0x88,0x44,0x8b,0xfb,0xa2,0x17,0x9a,0x59,0xf5,
0x87,0xb3,0x4f,0x13,0x61,0x45,0x6d,0x8d,0x09,0x81,0x7d,0x32,
0xbd,0x8f,0x40,0xeb,0x86,0xb7,0x7b,0x0b,0xf0,0x95,0x21,0x22,
0x5c,0x6b,0x4e,0x82,0x54,0xd6,0x65,0x93,0xce,0x60,0xb2,0x1c,
0x73,0x56,0xc0,0x14,0xa7,0x8c,0xf1,0xdc,0x12,0x75,0xca,0x1f,
0x3b,0xbe,0xe4,0xd1,0x42,0x3d,0xd4,0x30,0xa3,0x3c,0xb6,0x26,
0x6f,0xbf,0x0e,0xda,0x46,0x69,0x07,0x57,0x27,0xf2,0x1d,0x9b,
0xbc,0x94,0x43,0x03,0xf8,0x11,0xc7,0xf6,0x90,0xef,0x3e,0xe7,
0x06,0xc3,0xd5,0x2f,0xc8,0x66,0x1e,0xd7,0x08,0xe8,0xea,0xde,
0x80,0x52,0xee,0xf7,0x84,0xaa,0x72,0xac,0x35,0x4d,0x6a,0x2a,
0x96,0x1a,0xd2,0x71,0x5a,0x15,0x49,0x74,0x4b,0x9f,0xd0,0x5e,
0x04,0x18,0xa4,0xec,0xc2,0xe0,0x41,0x6e,0x0f,0x51,0xcb,0xcc,
0x24,0x91,0xaf,0x50,0xa1,0xf4,0x70,0x39,0x99,0x7c,0x3a,0x85,
0x23,0xb8,0xb4,0x7a,0xfc,0x02,0x36,0x5b,0x25,0x55,0x97,0x31,
0x2d,0x5d,0xfa,0x98,0xe3,0x8a,0x92,0xae,0x05,0xdf,0x29,0x10,
0x67,0x6c,0xba,0xc9,0xd3,0x00,0xe6,0xcf,0xe1,0x9e,0xa8,0x2c,
0x63,0x16,0x01,0x3f,0x58,0xe2,0x89,0xa9,0x0d,0x38,0x34,0x1b,
0xab,0x33,0xff,0xb0,0xbb,0x48,0x0c,0x5f,0xb9,0xb1,0xcd,0x2e,
0xc5,0xf3,0xdb,0x47,0xe5,0xa5,0x9c,0x77,0x0a,0xa6,0x20,0x68,
0xfe,0x7f,0xc1,0xad,
};
/* It has come to my attention that there are 2 versions of the RC2
* key schedule. One which is normal, and anther which has a hook to
* use a reduced key length.
* BSAFE uses the 'retarded' version. What I previously shipped is
* the same as specifying 1024 for the 'bits' parameter. Bsafe uses
* a version where the bits parameter is the same as len*8 */
void
RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits)
{
int i, j;
unsigned char *k;
RC2_INT *ki;
unsigned int c, d;
k = (unsigned char *)&(key->data[0]);
*k = 0; /* for if there is a zero length key */
if (len > 128)
len = 128;
if (bits <= 0)
bits = 1024;
if (bits > 1024)
bits = 1024;
for (i = 0; i < len; i++)
k[i] = data[i];
/* expand table */
d = k[len - 1];
j = 0;
for (i = len; i < 128; i++, j++)
{
d = key_table[(k[j] + d) & 0xff];
k[i] = d;
}
/* hmm.... key reduction to 'bits' bits */
j = (bits + 7) >> 3;
i = 128 - j;
c = (0xff >> (-bits & 0x07));
d = key_table[k[i] & c];
k[i] = d;
while (i--) {
d = key_table[k[i + j] ^ d];
k[i] = d;
}
/* copy from bytes into RC2_INT's */
ki = &(key->data[63]);
for (i = 127; i >= 0; i -= 2)
*(ki--) = ((k[i] << 8)|k[i - 1]) & 0xffff;
}
LCRYPTO_ALIAS(RC2_set_key);

124
crypto/rc2/rc2cfb64.c Normal file
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@@ -0,0 +1,124 @@
/* $OpenBSD: rc2cfb64.c,v 1.8 2023/07/07 13:40:44 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/rc2.h>
#include "rc2_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
RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, RC2_KEY *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) {
c2l(iv, v0);
ti[0] = v0;
c2l(iv, v1);
ti[1] = v1;
RC2_encrypt((unsigned long *)ti, schedule);
iv = (unsigned char *)ivec;
t = ti[0];
l2c(t, iv);
t = ti[1];
l2c(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) {
c2l(iv, v0);
ti[0] = v0;
c2l(iv, v1);
ti[1] = v1;
RC2_encrypt((unsigned long *)ti, schedule);
iv = (unsigned char *)ivec;
t = ti[0];
l2c(t, iv);
t = ti[1];
l2c(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(RC2_cfb64_encrypt);

111
crypto/rc2/rc2ofb64.c Normal file
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@@ -0,0 +1,111 @@
/* $OpenBSD: rc2ofb64.c,v 1.8 2023/07/07 13:40:44 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/rc2.h>
#include "rc2_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
RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
long length, RC2_KEY *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;
c2l(iv, v0);
c2l(iv, v1);
ti[0] = v0;
ti[1] = v1;
dp = (char *)d;
l2c(v0, dp);
l2c(v1, dp);
while (l--) {
if (n == 0) {
RC2_encrypt((unsigned long *)ti, schedule);
dp = (char *)d;
t = ti[0];
l2c(t, dp);
t = ti[1];
l2c(t, dp);
save++;
}
*(out++) = *(in++) ^ d[n];
n = (n + 1) & 0x07;
}
if (save) {
v0 = ti[0];
v1 = ti[1];
iv = (unsigned char *)ivec;
l2c(v0, iv);
l2c(v1, iv);
}
t = v0 = v1 = ti[0] = ti[1] = 0;
*num = n;
}
LCRYPTO_ALIAS(RC2_ofb64_encrypt);