Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/des/str2key.c	Lines:	0	38	0.0 %
Date:	2017-11-13	Branches:	0	10	0.0 %


/* $OpenBSD: str2key.c,v 1.10 2015/09/10 15:56:25 jsing 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 "des_locl.h"

void DES_string_to_key(const char *str, DES_cblock *key)
	{
	DES_key_schedule ks;
	int i,length;
	unsigned char j;

	memset(key,0,8);
	length=strlen(str);
#ifdef OLD_STR_TO_KEY
	for (i=0; i<length; i++)
		(*key)[i%8]^=(str[i]<<1);
#else /* MIT COMPATIBLE */
	for (i=0; i<length; i++)
		{
		j=str[i];
		if ((i%16) < 8)
			(*key)[i%8]^=(j<<1);
		else
			{
			/* Reverse the bit order 05/05/92 eay */
			j=((j<<4)&0xf0)|((j>>4)&0x0f);
			j=((j<<2)&0xcc)|((j>>2)&0x33);
			j=((j<<1)&0xaa)|((j>>1)&0x55);
			(*key)[7-(i%8)]^=j;
			}
		}
#endif
	DES_set_odd_parity(key);
#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
	if(DES_is_weak_key(key))
	    (*key)[7] ^= 0xF0;
	DES_set_key(key,&ks);
#else
	DES_set_key_unchecked(key,&ks);
#endif
	DES_cbc_cksum((const unsigned char*)str,key,length,&ks,key);
	explicit_bzero(&ks,sizeof(ks));
	DES_set_odd_parity(key);
	}

void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2)
	{
	DES_key_schedule ks;
	int i,length;
	unsigned char j;

	memset(key1,0,8);
	memset(key2,0,8);
	length=strlen(str);
#ifdef OLD_STR_TO_KEY
	if (length <= 8)
		{
		for (i=0; i<length; i++)
			{
			(*key2)[i]=(*key1)[i]=(str[i]<<1);
			}
		}
	else
		{
		for (i=0; i<length; i++)
			{
			if ((i/8)&1)
				(*key2)[i%8]^=(str[i]<<1);
			else
				(*key1)[i%8]^=(str[i]<<1);
			}
		}
#else /* MIT COMPATIBLE */
	for (i=0; i<length; i++)
		{
		j=str[i];
		if ((i%32) < 16)
			{
			if ((i%16) < 8)
				(*key1)[i%8]^=(j<<1);
			else
				(*key2)[i%8]^=(j<<1);
			}
		else
			{
			j=((j<<4)&0xf0)|((j>>4)&0x0f);
			j=((j<<2)&0xcc)|((j>>2)&0x33);
			j=((j<<1)&0xaa)|((j>>1)&0x55);
			if ((i%16) < 8)
				(*key1)[7-(i%8)]^=j;
			else
				(*key2)[7-(i%8)]^=j;
			}
		}
	if (length <= 8) memcpy(key2,key1,8);
#endif
	DES_set_odd_parity(key1);
	DES_set_odd_parity(key2);
#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
	if(DES_is_weak_key(key1))
	    (*key1)[7] ^= 0xF0;
	DES_set_key(key1,&ks);
#else
	DES_set_key_unchecked(key1,&ks);
#endif
	DES_cbc_cksum((const unsigned char*)str,key1,length,&ks,key1);
#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
	if(DES_is_weak_key(key2))
	    (*key2)[7] ^= 0xF0;
	DES_set_key(key2,&ks);
#else
	DES_set_key_unchecked(key2,&ks);
#endif
	DES_cbc_cksum((const unsigned char*)str,key2,length,&ks,key2);
	explicit_bzero(&ks,sizeof(ks));
	DES_set_odd_parity(key1);
	DES_set_odd_parity(key2);
	}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: str2key.c,v 1.10 2015/09/10 15:56:25 jsing Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <openssl/crypto.h>
60			#include "des_locl.h"
61
62			void DES_string_to_key(const char str, DES_cblock key)
63			{
64			DES_key_schedule ks;
65			int i,length;
66			unsigned char j;
67
68			memset(key,0,8);
69			length=strlen(str);
70			#ifdef OLD_STR_TO_KEY
71			for (i=0; i<length; i++)
72			(*key)[i%8]^=(str[i]<<1);
73			#else /* MIT COMPATIBLE */
74			for (i=0; i<length; i++)
75			{
76			j=str[i];
77			if ((i%16) < 8)
78			(*key)[i%8]^=(j<<1);
79			else
80			{
81			/* Reverse the bit order 05/05/92 eay */
82			j=((j<<4)&0xf0)\|((j>>4)&0x0f);
83			j=((j<<2)&0xcc)\|((j>>2)&0x33);
84			j=((j<<1)&0xaa)\|((j>>1)&0x55);
85			(*key)[7-(i%8)]^=j;
86			}
87			}
88			#endif
89			DES_set_odd_parity(key);
90			#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
91			if(DES_is_weak_key(key))
92			(*key)[7] ^= 0xF0;
93			DES_set_key(key,&ks);
94			#else
95			DES_set_key_unchecked(key,&ks);
96			#endif
97			DES_cbc_cksum((const unsigned char*)str,key,length,&ks,key);
98			explicit_bzero(&ks,sizeof(ks));
99			DES_set_odd_parity(key);
100			}
101
102			void DES_string_to_2keys(const char str, DES_cblock key1, DES_cblock *key2)
103			{
104			DES_key_schedule ks;
105			int i,length;
106			unsigned char j;
107
108			memset(key1,0,8);
109			memset(key2,0,8);
110			length=strlen(str);
111			#ifdef OLD_STR_TO_KEY
112			if (length <= 8)
113			{
114			for (i=0; i<length; i++)
115			{
116			(key2)[i]=(key1)[i]=(str[i]<<1);
117			}
118			}
119			else
120			{
121			for (i=0; i<length; i++)
122			{
123			if ((i/8)&1)
124			(*key2)[i%8]^=(str[i]<<1);
125			else
126			(*key1)[i%8]^=(str[i]<<1);
127			}
128			}
129			#else /* MIT COMPATIBLE */
130			for (i=0; i<length; i++)
131			{
132			j=str[i];
133			if ((i%32) < 16)
134			{
135			if ((i%16) < 8)
136			(*key1)[i%8]^=(j<<1);
137			else
138			(*key2)[i%8]^=(j<<1);
139			}
140			else
141			{
142			j=((j<<4)&0xf0)\|((j>>4)&0x0f);
143			j=((j<<2)&0xcc)\|((j>>2)&0x33);
144			j=((j<<1)&0xaa)\|((j>>1)&0x55);
145			if ((i%16) < 8)
146			(*key1)[7-(i%8)]^=j;
147			else
148			(*key2)[7-(i%8)]^=j;
149			}
150			}
151			if (length <= 8) memcpy(key2,key1,8);
152			#endif
153			DES_set_odd_parity(key1);
154			DES_set_odd_parity(key2);
155			#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
156			if(DES_is_weak_key(key1))
157			(*key1)[7] ^= 0xF0;
158			DES_set_key(key1,&ks);
159			#else
160			DES_set_key_unchecked(key1,&ks);
161			#endif
162			DES_cbc_cksum((const unsigned char*)str,key1,length,&ks,key1);
163			#ifdef EXPERIMENTAL_STR_TO_STRONG_KEY
164			if(DES_is_weak_key(key2))
165			(*key2)[7] ^= 0xF0;
166			DES_set_key(key2,&ks);
167			#else
168			DES_set_key_unchecked(key2,&ks);
169			#endif
170			DES_cbc_cksum((const unsigned char*)str,key2,length,&ks,key2);
171			explicit_bzero(&ks,sizeof(ks));
172			DES_set_odd_parity(key1);
173			DES_set_odd_parity(key2);
174			}