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OPENSSL_NO_xxx cleanup: DEC-CBCM removed

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A DES algorithm mode, known attacks, no EVP support.
Flushed.

Reviewed-by: Andy Polyakov <appro@openssl.org>
This commit is contained in:
Rich Salz 2015-01-27 10:02:39 -05:00
parent 8507474564
commit 109f1031a8
6 changed files with 4 additions and 261 deletions
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11
crypto/des/Makefile
View File

@ -28,7 +28,7 @@ LIBSRC= cbc_cksm.c cbc_enc.c cfb64enc.c cfb_enc.c \
qud_cksm.c rand_key.c rpc_enc.c set_key.c \
des_enc.c fcrypt_b.c \
xcbc_enc.c \
str2key.c cfb64ede.c ofb64ede.c ede_cbcm_enc.c des_old.c des_old2.c \
str2key.c cfb64ede.c ofb64ede.c des_old.c des_old2.c \
read2pwd.c
LIBOBJ= set_key.o ecb_enc.o cbc_enc.o \
@ -37,7 +37,7 @@ LIBOBJ= set_key.o ecb_enc.o cbc_enc.o \
ofb_enc.o str2key.o pcbc_enc.o qud_cksm.o rand_key.o \
${DES_ENC} \
fcrypt.o xcbc_enc.o rpc_enc.o cbc_cksm.o \
ede_cbcm_enc.o des_old.o des_old2.o read2pwd.o
des_old.o des_old2.o read2pwd.o
SRC= $(LIBSRC)
@ -169,13 +169,6 @@ ecb_enc.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
ecb_enc.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
ecb_enc.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
ecb_enc.o: ../../include/openssl/ui_compat.h des_locl.h des_ver.h ecb_enc.c
ede_cbcm_enc.o: ../../include/openssl/des.h ../../include/openssl/des_old.h
ede_cbcm_enc.o: ../../include/openssl/e_os2.h
ede_cbcm_enc.o: ../../include/openssl/opensslconf.h
ede_cbcm_enc.o: ../../include/openssl/ossl_typ.h
ede_cbcm_enc.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
ede_cbcm_enc.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
ede_cbcm_enc.o: ../../include/openssl/ui_compat.h des_locl.h ede_cbcm_enc.c
enc_read.o: ../../e_os.h ../../include/openssl/bio.h
enc_read.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
enc_read.o: ../../include/openssl/des.h ../../include/openssl/des_old.h

5
crypto/des/des.h
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@ -182,11 +182,6 @@ void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
long length,
DES_key_schedule *ks1, DES_key_schedule *ks2,
DES_key_schedule *ks3, DES_cblock *ivec, int enc);
void DES_ede3_cbcm_encrypt(const unsigned char *in, unsigned char *out,
long length,
DES_key_schedule *ks1, DES_key_schedule *ks2,
DES_key_schedule *ks3,
DES_cblock *ivec1, DES_cblock *ivec2, int enc);
void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, DES_key_schedule *ks1,
DES_key_schedule *ks2, DES_key_schedule *ks3,

2
crypto/des/des_old.h
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@ -141,8 +141,6 @@ typedef struct _ossl_old_des_ks_struct {
DES_ecb3_encrypt((i),(o),&(k1),&(k2),&(k3),(e))
# define des_ede3_cbc_encrypt(i,o,l,k1,k2,k3,iv,e)\
DES_ede3_cbc_encrypt((i),(o),(l),&(k1),&(k2),&(k3),(iv),(e))
# define des_ede3_cbcm_encrypt(i,o,l,k1,k2,k3,iv1,iv2,e)\
DES_ede3_cbcm_encrypt((i),(o),(l),&(k1),&(k2),&(k3),(iv1),(iv2),(e))
# define des_ede3_cfb64_encrypt(i,o,l,k1,k2,k3,iv,n,e)\
DES_ede3_cfb64_encrypt((i),(o),(l),&(k1),&(k2),&(k3),(iv),(n),(e))
# define des_ede3_ofb64_encrypt(i,o,l,k1,k2,k3,iv,n)\

52
crypto/des/destest.c
View File

@ -362,7 +362,7 @@ int main(int argc, char *argv[])
{
int j, err = 0;
unsigned int i;
des_cblock in, out, outin, iv3, iv2;
des_cblock in, out, outin, iv3;
des_key_schedule ks, ks2, ks3;
unsigned char cbc_in[40];
unsigned char cbc_out[40];
@ -372,56 +372,6 @@ int main(int argc, char *argv[])
int num;
char *str;
# ifndef OPENSSL_NO_DESCBCM
printf("Doing cbcm\n");
if ((j = DES_set_key_checked(&cbc_key, &ks)) != 0) {
printf("Key error %d\n", j);
err = 1;
}
if ((j = DES_set_key_checked(&cbc2_key, &ks2)) != 0) {
printf("Key error %d\n", j);
err = 1;
}
if ((j = DES_set_key_checked(&cbc3_key, &ks3)) != 0) {
printf("Key error %d\n", j);
err = 1;
}
memset(cbc_out, 0, 40);
memset(cbc_in, 0, 40);
i = strlen((char *)cbc_data) + 1;
/* i=((i+7)/8)*8; */
memcpy(iv3, cbc_iv, sizeof(cbc_iv));
memset(iv2, '\0', sizeof iv2);
DES_ede3_cbcm_encrypt(cbc_data, cbc_out, 16L, &ks, &ks2, &ks3, &iv3, &iv2,
DES_ENCRYPT);
DES_ede3_cbcm_encrypt(&cbc_data[16], &cbc_out[16], i - 16, &ks, &ks2,
&ks3, &iv3, &iv2, DES_ENCRYPT);
/*- if (memcmp(cbc_out,cbc3_ok,
(unsigned int)(strlen((char *)cbc_data)+1+7)/8*8) != 0)
{
printf("des_ede3_cbc_encrypt encrypt error\n");
err=1;
}
*/
memcpy(iv3, cbc_iv, sizeof(cbc_iv));
memset(iv2, '\0', sizeof iv2);
DES_ede3_cbcm_encrypt(cbc_out, cbc_in, i, &ks, &ks2, &ks3, &iv3, &iv2,
DES_DECRYPT);
if (memcmp(cbc_in, cbc_data, strlen((char *)cbc_data) + 1) != 0) {
unsigned int n;
printf("des_ede3_cbcm_encrypt decrypt error\n");
for (n = 0; n < i; ++n)
printf(" %02x", cbc_data[n]);
printf("\n");
for (n = 0; n < i; ++n)
printf(" %02x", cbc_in[n]);
printf("\n");
err = 1;
}
# endif
printf("Doing ecb\n");
for (i = 0; i < NUM_TESTS; i++) {
DES_set_key_unchecked(&key_data[i], &ks);

189
crypto/des/ede_cbcm_enc.c
View File

@ -1,189 +0,0 @@
/* ede_cbcm_enc.c */
/*
* Written by Ben Laurie <ben@algroup.co.uk> for the OpenSSL project 13 Feb
* 1999.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL 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. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS 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.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/*
*
* This is an implementation of Triple DES Cipher Block Chaining with Output
* Feedback Masking, by Coppersmith, Johnson and Matyas, (IBM and Certicom).
*
* Note that there is a known attack on this by Biham and Knudsen but it
* takes a lot of work:
*
* http://www.cs.technion.ac.il/users/wwwb/cgi-bin/tr-get.cgi/1998/CS/CS0928.ps.gz
*
*/
#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_DESCBCM is defined */
#ifndef OPENSSL_NO_DESCBCM
# include "des_locl.h"
void DES_ede3_cbcm_encrypt(const unsigned char *in, unsigned char *out,
long length, DES_key_schedule *ks1,
DES_key_schedule *ks2, DES_key_schedule *ks3,
DES_cblock *ivec1, DES_cblock *ivec2, int enc)
{
register DES_LONG tin0, tin1;
register DES_LONG tout0, tout1, xor0, xor1, m0, m1;
register long l = length;
DES_LONG tin[2];
unsigned char *iv1, *iv2;
iv1 = &(*ivec1)[0];
iv2 = &(*ivec2)[0];
if (enc) {
c2l(iv1, m0);
c2l(iv1, m1);
c2l(iv2, tout0);
c2l(iv2, tout1);
for (l -= 8; l >= -7; l -= 8) {
tin[0] = m0;
tin[1] = m1;
DES_encrypt1(tin, ks3, 1);
m0 = tin[0];
m1 = tin[1];
if (l < 0) {
c2ln(in, tin0, tin1, l + 8);
} else {
c2l(in, tin0);
c2l(in, tin1);
}
tin0 ^= tout0;
tin1 ^= tout1;
tin[0] = tin0;
tin[1] = tin1;
DES_encrypt1(tin, ks1, 1);
tin[0] ^= m0;
tin[1] ^= m1;
DES_encrypt1(tin, ks2, 0);
tin[0] ^= m0;
tin[1] ^= m1;
DES_encrypt1(tin, ks1, 1);
tout0 = tin[0];
tout1 = tin[1];
l2c(tout0, out);
l2c(tout1, out);
}
iv1 = &(*ivec1)[0];
l2c(m0, iv1);
l2c(m1, iv1);
iv2 = &(*ivec2)[0];
l2c(tout0, iv2);
l2c(tout1, iv2);
} else {
register DES_LONG t0, t1;
c2l(iv1, m0);
c2l(iv1, m1);
c2l(iv2, xor0);
c2l(iv2, xor1);
for (l -= 8; l >= -7; l -= 8) {
tin[0] = m0;
tin[1] = m1;
DES_encrypt1(tin, ks3, 1);
m0 = tin[0];
m1 = tin[1];
c2l(in, tin0);
c2l(in, tin1);
t0 = tin0;
t1 = tin1;
tin[0] = tin0;
tin[1] = tin1;
DES_encrypt1(tin, ks1, 0);
tin[0] ^= m0;
tin[1] ^= m1;
DES_encrypt1(tin, ks2, 1);
tin[0] ^= m0;
tin[1] ^= m1;
DES_encrypt1(tin, ks1, 0);
tout0 = tin[0];
tout1 = tin[1];
tout0 ^= xor0;
tout1 ^= xor1;
if (l < 0) {
l2cn(tout0, tout1, out, l + 8);
} else {
l2c(tout0, out);
l2c(tout1, out);
}
xor0 = t0;
xor1 = t1;
}
iv1 = &(*ivec1)[0];
l2c(m0, iv1);
l2c(m1, iv1);
iv2 = &(*ivec2)[0];
l2c(xor0, iv2);
l2c(xor1, iv2);
}
tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
tin[0] = tin[1] = 0;
}
#endif

6
doc/crypto/des.pod
View File

@ -8,7 +8,7 @@ DES_ecb_encrypt, DES_ecb2_encrypt, DES_ecb3_encrypt, DES_ncbc_encrypt,
DES_cfb_encrypt, DES_ofb_encrypt, DES_pcbc_encrypt, DES_cfb64_encrypt,
DES_ofb64_encrypt, DES_xcbc_encrypt, DES_ede2_cbc_encrypt,
DES_ede2_cfb64_encrypt, DES_ede2_ofb64_encrypt, DES_ede3_cbc_encrypt,
DES_ede3_cbcm_encrypt, DES_ede3_cfb64_encrypt, DES_ede3_ofb64_encrypt,
DES_ede3_cfb64_encrypt, DES_ede3_ofb64_encrypt,
DES_cbc_cksum, DES_quad_cksum, DES_string_to_key, DES_string_to_2keys,
DES_fcrypt, DES_crypt, DES_enc_read, DES_enc_write - DES encryption
@ -73,10 +73,6 @@ DES_fcrypt, DES_crypt, DES_enc_read, DES_enc_write - DES encryption
unsigned char *output, long length, DES_key_schedule *ks1,
DES_key_schedule *ks2, DES_key_schedule *ks3, DES_cblock *ivec,
int enc);
void DES_ede3_cbcm_encrypt(const unsigned char *in, unsigned char *out,
long length, DES_key_schedule *ks1, DES_key_schedule *ks2,
DES_key_schedule *ks3, DES_cblock *ivec1, DES_cblock *ivec2,
int enc);
void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
long length, DES_key_schedule *ks1, DES_key_schedule *ks2,
DES_key_schedule *ks3, DES_cblock *ivec, int *num, int enc);