File: | src/lib/libcrypto/bf/bf_ecb.c |
Warning: | line 88, column 2 Value stored to 'l' is never read |
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1 | /* $OpenBSD: bf_ecb.c,v 1.10 2023/07/28 10:35:14 tb 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/blowfish.h> |
60 | #include <openssl/opensslv.h> |
61 | |
62 | #include "bf_local.h" |
63 | |
64 | /* |
65 | * Blowfish as implemented from 'Blowfish: Springer-Verlag paper' |
66 | * (From LECTURE NOTES IN COMPUTER SCIENCE 809, FAST SOFTWARE ENCRYPTION, |
67 | * CAMBRIDGE SECURITY WORKSHOP, CAMBRIDGE, U.K., DECEMBER 9-11, 1993) |
68 | */ |
69 | |
70 | void |
71 | BF_ecb_encrypt(const unsigned char *in, unsigned char *out, |
72 | const BF_KEY *key, int encrypt) |
73 | { |
74 | BF_LONGunsigned int l, d[2]; |
75 | |
76 | n2l(in, l)(l =((unsigned long)(*((in)++)))<<24L, l|=((unsigned long )(*((in)++)))<<16L, l|=((unsigned long)(*((in)++)))<< 8L, l|=((unsigned long)(*((in)++)))); |
77 | d[0] = l; |
78 | n2l(in, l)(l =((unsigned long)(*((in)++)))<<24L, l|=((unsigned long )(*((in)++)))<<16L, l|=((unsigned long)(*((in)++)))<< 8L, l|=((unsigned long)(*((in)++)))); |
79 | d[1] = l; |
80 | if (encrypt) |
81 | BF_encrypt(d, key); |
82 | else |
83 | BF_decrypt(d, key); |
84 | l = d[0]; |
85 | l2n(l, out)(*((out)++)=(unsigned char)(((l)>>24L)&0xff), *((out )++)=(unsigned char)(((l)>>16L)&0xff), *((out)++)=( unsigned char)(((l)>> 8L)&0xff), *((out)++)=(unsigned char)(((l) )&0xff)); |
86 | l = d[1]; |
87 | l2n(l, out)(*((out)++)=(unsigned char)(((l)>>24L)&0xff), *((out )++)=(unsigned char)(((l)>>16L)&0xff), *((out)++)=( unsigned char)(((l)>> 8L)&0xff), *((out)++)=(unsigned char)(((l) )&0xff)); |
88 | l = d[0] = d[1] = 0; |
Value stored to 'l' is never read | |
89 | } |