1 | /* $NetBSD: bf_ecb.c,v 1.3 2005/12/11 12:20:48 christos Exp $ */ |
2 | |
3 | /* crypto/bf/bf_ecb.c */ |
4 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
5 | * All rights reserved. |
6 | * |
7 | * This package is an SSL implementation written |
8 | * by Eric Young (eay@cryptsoft.com). |
9 | * The implementation was written so as to conform with Netscapes SSL. |
10 | * |
11 | * This library is free for commercial and non-commercial use as long as |
12 | * the following conditions are aheared to. The following conditions |
13 | * apply to all code found in this distribution, be it the RC4, RSA, |
14 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
15 | * included with this distribution is covered by the same copyright terms |
16 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
17 | * |
18 | * Copyright remains Eric Young's, and as such any Copyright notices in |
19 | * the code are not to be removed. |
20 | * If this package is used in a product, Eric Young should be given attribution |
21 | * as the author of the parts of the library used. |
22 | * This can be in the form of a textual message at program startup or |
23 | * in documentation (online or textual) provided with the package. |
24 | * |
25 | * Redistribution and use in source and binary forms, with or without |
26 | * modification, are permitted provided that the following conditions |
27 | * are met: |
28 | * 1. Redistributions of source code must retain the copyright |
29 | * notice, this list of conditions and the following disclaimer. |
30 | * 2. Redistributions in binary form must reproduce the above copyright |
31 | * notice, this list of conditions and the following disclaimer in the |
32 | * documentation and/or other materials provided with the distribution. |
33 | * 3. All advertising materials mentioning features or use of this software |
34 | * must display the following acknowledgement: |
35 | * "This product includes cryptographic software written by |
36 | * Eric Young (eay@cryptsoft.com)" |
37 | * The word 'cryptographic' can be left out if the rouines from the library |
38 | * being used are not cryptographic related :-). |
39 | * 4. If you include any Windows specific code (or a derivative thereof) from |
40 | * the apps directory (application code) you must include an acknowledgement: |
41 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
42 | * |
43 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
44 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
46 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
49 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
50 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
51 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
52 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
53 | * SUCH DAMAGE. |
54 | * |
55 | * The licence and distribution terms for any publically available version or |
56 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
57 | * copied and put under another distribution licence |
58 | * [including the GNU Public Licence.] |
59 | */ |
60 | |
61 | #include <sys/cdefs.h> |
62 | __KERNEL_RCSID(0, "$NetBSD: bf_ecb.c,v 1.3 2005/12/11 12:20:48 christos Exp $" ); |
63 | |
64 | #include <sys/types.h> |
65 | |
66 | #include <crypto/blowfish/blowfish.h> |
67 | #include "bf_locl.h" |
68 | |
69 | /* Blowfish as implemented from 'Blowfish: Springer-Verlag paper' |
70 | * (From LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION, |
71 | * CAMBRIDGE SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993) |
72 | */ |
73 | |
74 | void BF_ecb_encrypt(const unsigned char *in, unsigned char *out, |
75 | const BF_KEY *key, int encrypt) |
76 | { |
77 | BF_LONG l,d[2]; |
78 | |
79 | n2l(in,l); d[0]=l; |
80 | n2l(in,l); d[1]=l; |
81 | if (encrypt) |
82 | BF_encrypt(d,key); |
83 | else |
84 | BF_decrypt(d,key); |
85 | l=d[0]; l2n(l,out); |
86 | l=d[1]; l2n(l,out); |
87 | l=d[0]=d[1]=0; |
88 | } |
89 | |
90 | |