1/* crypto/bf/bf_skey.c */
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.
| 1/* crypto/bf/bf_skey.c */
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 *
| 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).
| 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 *
| 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.
| 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 *
| 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 :-).
| 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
| 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)"
| 38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
40 *
| 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.
| 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 *
| 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 <stdio.h>
60#include <string.h>
61#include <openssl/crypto.h>
62#include <openssl/blowfish.h>
63#include "bf_locl.h"
64#include "bf_pi.h"
65
66void BF_set_key(BF_KEY *key, int len, const unsigned char *data)
67#ifdef OPENSSL_FIPS
| 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 <stdio.h>
60#include <string.h>
61#include <openssl/crypto.h>
62#include <openssl/blowfish.h>
63#include "bf_locl.h"
64#include "bf_pi.h"
65
66void BF_set_key(BF_KEY *key, int len, const unsigned char *data)
67#ifdef OPENSSL_FIPS
|
68 {
69 fips_cipher_abort(BLOWFISH);
70 private_BF_set_key(key, len, data);
71 }
| 68{
69 fips_cipher_abort(BLOWFISH);
70 private_BF_set_key(key, len, data);
71}
72
|
72void private_BF_set_key(BF_KEY *key, int len, const unsigned char *data)
73#endif
| 73void private_BF_set_key(BF_KEY *key, int len, const unsigned char *data)
74#endif
|
74 {
75 int i;
76 BF_LONG *p,ri,in[2];
77 const unsigned char *d,*end;
| 75{
76 int i;
77 BF_LONG *p, ri, in[2];
78 const unsigned char *d, *end;
|
78
| 79
|
| 80 memcpy(key, &bf_init, sizeof(BF_KEY));
81 p = key->P;
|
79
| 82
|
80 memcpy(key,&bf_init,sizeof(BF_KEY));
81 p=key->P;
| 83 if (len > ((BF_ROUNDS + 2) * 4))
84 len = (BF_ROUNDS + 2) * 4;
|
82
| 85
|
83 if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4;
| 86 d = data;
87 end = &(data[len]);
88 for (i = 0; i < (BF_ROUNDS + 2); i++) {
89 ri = *(d++);
90 if (d >= end)
91 d = data;
|
84
| 92
|
85 d=data;
86 end= &(data[len]);
87 for (i=0; i<(BF_ROUNDS+2); i++)
88 {
89 ri= *(d++);
90 if (d >= end) d=data;
| 93 ri <<= 8;
94 ri |= *(d++);
95 if (d >= end)
96 d = data;
|
91
| 97
|
92 ri<<=8;
93 ri|= *(d++);
94 if (d >= end) d=data;
| 98 ri <<= 8;
99 ri |= *(d++);
100 if (d >= end)
101 d = data;
|
95
| 102
|
96 ri<<=8;
97 ri|= *(d++);
98 if (d >= end) d=data;
| 103 ri <<= 8;
104 ri |= *(d++);
105 if (d >= end)
106 d = data;
|
99
| 107
|
100 ri<<=8;
101 ri|= *(d++);
102 if (d >= end) d=data;
| 108 p[i] ^= ri;
109 }
|
103
| 110
|
104 p[i]^=ri;
105 }
| 111 in[0] = 0L;
112 in[1] = 0L;
113 for (i = 0; i < (BF_ROUNDS + 2); i += 2) {
114 BF_encrypt(in, key);
115 p[i] = in[0];
116 p[i + 1] = in[1];
117 }
|
106
| 118
|
107 in[0]=0L;
108 in[1]=0L;
109 for (i=0; i<(BF_ROUNDS+2); i+=2)
110 {
111 BF_encrypt(in,key);
112 p[i ]=in[0];
113 p[i+1]=in[1];
114 }
115
116 p=key->S;
117 for (i=0; i<4*256; i+=2)
118 {
119 BF_encrypt(in,key);
120 p[i ]=in[0];
121 p[i+1]=in[1];
122 }
123 }
124
| 119 p = key->S;
120 for (i = 0; i < 4 * 256; i += 2) {
121 BF_encrypt(in, key);
122 p[i] = in[0];
123 p[i + 1] = in[1];
124 }
125}
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| |