File: | src/lib/libcrypto/des/des_enc.c |
Warning: | line 151, column 14 Although the value stored to 'u' is used in the enclosing expression, the value is never actually read from 'u' |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
1 | /* $OpenBSD: des_enc.c,v 1.15 2023/07/08 07:34:34 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 "des_local.h" |
60 | #include "spr.h" |
61 | |
62 | #ifndef OPENBSD_DES_ASM |
63 | |
64 | void |
65 | DES_encrypt1(DES_LONGunsigned int *data, DES_key_schedule *ks, int enc) |
66 | { |
67 | DES_LONGunsigned int l, r, t, u; |
68 | #ifdef DES_PTR |
69 | const unsigned char *des_SP = (const unsigned char *)DES_SPtrans; |
70 | #endif |
71 | #ifndef DES_UNROLL |
72 | int i; |
73 | #endif |
74 | DES_LONGunsigned int *s; |
75 | |
76 | r = data[0]; |
77 | l = data[1]; |
78 | |
79 | IP(r, l){ unsigned int tt; ((tt)=((((l)>>(4))^(r))&(0x0f0f0f0fL )), (r)^=(tt), (l)^=((tt)<<(4))); ((tt)=((((r)>>( 16))^(l))&(0x0000ffffL)), (l)^=(tt), (r)^=((tt)<<(16 ))); ((tt)=((((l)>>(2))^(r))&(0x33333333L)), (r)^=( tt), (l)^=((tt)<<(2))); ((tt)=((((r)>>(8))^(l))& (0x00ff00ffL)), (l)^=(tt), (r)^=((tt)<<(8))); ((tt)=((( (l)>>(1))^(r))&(0x55555555L)), (r)^=(tt), (l)^=((tt )<<(1))); }; |
80 | /* Things have been modified so that the initial rotate is |
81 | * done outside the loop. This required the |
82 | * DES_SPtrans values in sp.h to be rotated 1 bit to the right. |
83 | * One perl script later and things have a 5% speed up on a sparc2. |
84 | * Thanks to Richard Outerbridge <71755.204@CompuServe.COM> |
85 | * for pointing this out. */ |
86 | /* clear the top bits on machines with 8byte longs */ |
87 | /* shift left by 2 */ |
88 | r = ROTATE(r, 29) & 0xffffffffL; |
89 | l = ROTATE(l, 29) & 0xffffffffL; |
90 | |
91 | s = ks->ks->deslong; |
92 | /* I don't know if it is worth the effort of loop unrolling the |
93 | * inner loop */ |
94 | if (enc) { |
95 | #ifdef DES_UNROLL |
96 | D_ENCRYPT(l, r, 0){ u=r^s[0 ]; t=r^s[0 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 1 */ |
97 | D_ENCRYPT(r, l, 2){ u=l^s[2 ]; t=l^s[2 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 2 */ |
98 | D_ENCRYPT(l, r, 4){ u=r^s[4 ]; t=r^s[4 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 3 */ |
99 | D_ENCRYPT(r, l, 6){ u=l^s[6 ]; t=l^s[6 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 4 */ |
100 | D_ENCRYPT(l, r, 8){ u=r^s[8 ]; t=r^s[8 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 5 */ |
101 | D_ENCRYPT(r, l, 10){ u=l^s[10 ]; t=l^s[10 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 6 */ |
102 | D_ENCRYPT(l, r, 12){ u=r^s[12 ]; t=r^s[12 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 7 */ |
103 | D_ENCRYPT(r, l, 14){ u=l^s[14 ]; t=l^s[14 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 8 */ |
104 | D_ENCRYPT(l, r, 16){ u=r^s[16 ]; t=r^s[16 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 9 */ |
105 | D_ENCRYPT(r, l, 18){ u=l^s[18 ]; t=l^s[18 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 10 */ |
106 | D_ENCRYPT(l, r, 20){ u=r^s[20 ]; t=r^s[20 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 11 */ |
107 | D_ENCRYPT(r, l, 22){ u=l^s[22 ]; t=l^s[22 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 12 */ |
108 | D_ENCRYPT(l, r, 24){ u=r^s[24 ]; t=r^s[24 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 13 */ |
109 | D_ENCRYPT(r, l, 26){ u=l^s[26 ]; t=l^s[26 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 14 */ |
110 | D_ENCRYPT(l, r, 28){ u=r^s[28 ]; t=r^s[28 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 15 */ |
111 | D_ENCRYPT(r, l, 30){ u=l^s[30 ]; t=l^s[30 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 16 */ |
112 | #else |
113 | for (i = 0; i < 32; i += 4) { |
114 | D_ENCRYPT(l, r, i + 0){ u=r^s[i + 0 ]; t=r^s[i + 0 +1]; t=ROTATE(t,4); l^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 1 */ |
115 | D_ENCRYPT(r, l, i + 2){ u=l^s[i + 2 ]; t=l^s[i + 2 +1]; t=ROTATE(t,4); r^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 2 */ |
116 | } |
117 | #endif |
118 | } else { |
119 | #ifdef DES_UNROLL |
120 | D_ENCRYPT(l, r, 30){ u=r^s[30 ]; t=r^s[30 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 16 */ |
121 | D_ENCRYPT(r, l, 28){ u=l^s[28 ]; t=l^s[28 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 15 */ |
122 | D_ENCRYPT(l, r, 26){ u=r^s[26 ]; t=r^s[26 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 14 */ |
123 | D_ENCRYPT(r, l, 24){ u=l^s[24 ]; t=l^s[24 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 13 */ |
124 | D_ENCRYPT(l, r, 22){ u=r^s[22 ]; t=r^s[22 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 12 */ |
125 | D_ENCRYPT(r, l, 20){ u=l^s[20 ]; t=l^s[20 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 11 */ |
126 | D_ENCRYPT(l, r, 18){ u=r^s[18 ]; t=r^s[18 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 10 */ |
127 | D_ENCRYPT(r, l, 16){ u=l^s[16 ]; t=l^s[16 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 9 */ |
128 | D_ENCRYPT(l, r, 14){ u=r^s[14 ]; t=r^s[14 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 8 */ |
129 | D_ENCRYPT(r, l, 12){ u=l^s[12 ]; t=l^s[12 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 7 */ |
130 | D_ENCRYPT(l, r, 10){ u=r^s[10 ]; t=r^s[10 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 6 */ |
131 | D_ENCRYPT(r, l, 8){ u=l^s[8 ]; t=l^s[8 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 5 */ |
132 | D_ENCRYPT(l, r, 6){ u=r^s[6 ]; t=r^s[6 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 4 */ |
133 | D_ENCRYPT(r, l, 4){ u=l^s[4 ]; t=l^s[4 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 3 */ |
134 | D_ENCRYPT(l, r, 2){ u=r^s[2 ]; t=r^s[2 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 2 */ |
135 | D_ENCRYPT(r, l, 0){ u=l^s[0 ]; t=l^s[0 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 1 */ |
136 | #else |
137 | for (i = 30; i > 0; i -= 4) { |
138 | D_ENCRYPT(l, r, i - 0){ u=r^s[i - 0 ]; t=r^s[i - 0 +1]; t=ROTATE(t,4); l^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 16 */ |
139 | D_ENCRYPT(r, l, i - 2){ u=l^s[i - 2 ]; t=l^s[i - 2 +1]; t=ROTATE(t,4); r^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 15 */ |
140 | } |
141 | #endif |
142 | } |
143 | |
144 | /* rotate and clear the top bits on machines with 8byte longs */ |
145 | l = ROTATE(l, 3) & 0xffffffffL; |
146 | r = ROTATE(r, 3) & 0xffffffffL; |
147 | |
148 | FP(r, l){ unsigned int tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L )), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>( 8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8) )); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt ), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))& (0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=(( ((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt )<<(4))); }; |
149 | data[0] = l; |
150 | data[1] = r; |
151 | l = r = t = u = 0; |
Although the value stored to 'u' is used in the enclosing expression, the value is never actually read from 'u' | |
152 | } |
153 | |
154 | void |
155 | DES_encrypt2(DES_LONGunsigned int *data, DES_key_schedule *ks, int enc) |
156 | { |
157 | DES_LONGunsigned int l, r, t, u; |
158 | #ifdef DES_PTR |
159 | const unsigned char *des_SP = (const unsigned char *)DES_SPtrans; |
160 | #endif |
161 | #ifndef DES_UNROLL |
162 | int i; |
163 | #endif |
164 | DES_LONGunsigned int *s; |
165 | |
166 | r = data[0]; |
167 | l = data[1]; |
168 | |
169 | /* Things have been modified so that the initial rotate is |
170 | * done outside the loop. This required the |
171 | * DES_SPtrans values in sp.h to be rotated 1 bit to the right. |
172 | * One perl script later and things have a 5% speed up on a sparc2. |
173 | * Thanks to Richard Outerbridge <71755.204@CompuServe.COM> |
174 | * for pointing this out. */ |
175 | /* clear the top bits on machines with 8byte longs */ |
176 | r = ROTATE(r, 29) & 0xffffffffL; |
177 | l = ROTATE(l, 29) & 0xffffffffL; |
178 | |
179 | s = ks->ks->deslong; |
180 | /* I don't know if it is worth the effort of loop unrolling the |
181 | * inner loop */ |
182 | if (enc) { |
183 | #ifdef DES_UNROLL |
184 | D_ENCRYPT(l, r, 0){ u=r^s[0 ]; t=r^s[0 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 1 */ |
185 | D_ENCRYPT(r, l, 2){ u=l^s[2 ]; t=l^s[2 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 2 */ |
186 | D_ENCRYPT(l, r, 4){ u=r^s[4 ]; t=r^s[4 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 3 */ |
187 | D_ENCRYPT(r, l, 6){ u=l^s[6 ]; t=l^s[6 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 4 */ |
188 | D_ENCRYPT(l, r, 8){ u=r^s[8 ]; t=r^s[8 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 5 */ |
189 | D_ENCRYPT(r, l, 10){ u=l^s[10 ]; t=l^s[10 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 6 */ |
190 | D_ENCRYPT(l, r, 12){ u=r^s[12 ]; t=r^s[12 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 7 */ |
191 | D_ENCRYPT(r, l, 14){ u=l^s[14 ]; t=l^s[14 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 8 */ |
192 | D_ENCRYPT(l, r, 16){ u=r^s[16 ]; t=r^s[16 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 9 */ |
193 | D_ENCRYPT(r, l, 18){ u=l^s[18 ]; t=l^s[18 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 10 */ |
194 | D_ENCRYPT(l, r, 20){ u=r^s[20 ]; t=r^s[20 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 11 */ |
195 | D_ENCRYPT(r, l, 22){ u=l^s[22 ]; t=l^s[22 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 12 */ |
196 | D_ENCRYPT(l, r, 24){ u=r^s[24 ]; t=r^s[24 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 13 */ |
197 | D_ENCRYPT(r, l, 26){ u=l^s[26 ]; t=l^s[26 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 14 */ |
198 | D_ENCRYPT(l, r, 28){ u=r^s[28 ]; t=r^s[28 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 15 */ |
199 | D_ENCRYPT(r, l, 30){ u=l^s[30 ]; t=l^s[30 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 16 */ |
200 | #else |
201 | for (i = 0; i < 32; i += 4) { |
202 | D_ENCRYPT(l, r, i + 0){ u=r^s[i + 0 ]; t=r^s[i + 0 +1]; t=ROTATE(t,4); l^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 1 */ |
203 | D_ENCRYPT(r, l, i + 2){ u=l^s[i + 2 ]; t=l^s[i + 2 +1]; t=ROTATE(t,4); r^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 2 */ |
204 | } |
205 | #endif |
206 | } else { |
207 | #ifdef DES_UNROLL |
208 | D_ENCRYPT(l, r, 30){ u=r^s[30 ]; t=r^s[30 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 16 */ |
209 | D_ENCRYPT(r, l, 28){ u=l^s[28 ]; t=l^s[28 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 15 */ |
210 | D_ENCRYPT(l, r, 26){ u=r^s[26 ]; t=r^s[26 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 14 */ |
211 | D_ENCRYPT(r, l, 24){ u=l^s[24 ]; t=l^s[24 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 13 */ |
212 | D_ENCRYPT(l, r, 22){ u=r^s[22 ]; t=r^s[22 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 12 */ |
213 | D_ENCRYPT(r, l, 20){ u=l^s[20 ]; t=l^s[20 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 11 */ |
214 | D_ENCRYPT(l, r, 18){ u=r^s[18 ]; t=r^s[18 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 10 */ |
215 | D_ENCRYPT(r, l, 16){ u=l^s[16 ]; t=l^s[16 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 9 */ |
216 | D_ENCRYPT(l, r, 14){ u=r^s[14 ]; t=r^s[14 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 8 */ |
217 | D_ENCRYPT(r, l, 12){ u=l^s[12 ]; t=l^s[12 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 7 */ |
218 | D_ENCRYPT(l, r, 10){ u=r^s[10 ]; t=r^s[10 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0] [(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 6 */ |
219 | D_ENCRYPT(r, l, 8){ u=l^s[8 ]; t=l^s[8 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 5 */ |
220 | D_ENCRYPT(l, r, 6){ u=r^s[6 ]; t=r^s[6 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 4 */ |
221 | D_ENCRYPT(r, l, 4){ u=l^s[4 ]; t=l^s[4 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 3 */ |
222 | D_ENCRYPT(l, r, 2){ u=r^s[2 ]; t=r^s[2 +1]; t=ROTATE(t,4); l^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 2 */ |
223 | D_ENCRYPT(r, l, 0){ u=l^s[0 ]; t=l^s[0 +1]; t=ROTATE(t,4); r^= DES_SPtrans[0][( u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)&0x3f ]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6][(u >>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)&0x3f ]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5][(t >>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)&0x3f ]; }; /* 1 */ |
224 | #else |
225 | for (i = 30; i > 0; i -= 4) { |
226 | D_ENCRYPT(l, r, i - 0){ u=r^s[i - 0 ]; t=r^s[i - 0 +1]; t=ROTATE(t,4); l^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 16 */ |
227 | D_ENCRYPT(r, l, i - 2){ u=l^s[i - 2 ]; t=l^s[i - 2 +1]; t=ROTATE(t,4); r^= DES_SPtrans [0][(u>> 2L)&0x3f]^ DES_SPtrans[2][(u>>10L)& 0x3f]^ DES_SPtrans[4][(u>>18L)&0x3f]^ DES_SPtrans[6 ][(u>>26L)&0x3f]^ DES_SPtrans[1][(t>> 2L)& 0x3f]^ DES_SPtrans[3][(t>>10L)&0x3f]^ DES_SPtrans[5 ][(t>>18L)&0x3f]^ DES_SPtrans[7][(t>>26L)& 0x3f]; }; /* 15 */ |
228 | } |
229 | #endif |
230 | } |
231 | /* rotate and clear the top bits on machines with 8byte longs */ |
232 | data[0] = ROTATE(l, 3) & 0xffffffffL; |
233 | data[1] = ROTATE(r, 3) & 0xffffffffL; |
234 | l = r = t = u = 0; |
235 | } |
236 | |
237 | #endif /* OPENBSD_DES_ASM */ |
238 | |
239 | void |
240 | DES_encrypt3(DES_LONGunsigned int *data, DES_key_schedule *ks1, |
241 | DES_key_schedule *ks2, DES_key_schedule *ks3) |
242 | { |
243 | DES_LONGunsigned int l, r; |
244 | |
245 | l = data[0]; |
246 | r = data[1]; |
247 | IP(l, r){ unsigned int tt; ((tt)=((((r)>>(4))^(l))&(0x0f0f0f0fL )), (l)^=(tt), (r)^=((tt)<<(4))); ((tt)=((((l)>>( 16))^(r))&(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16 ))); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=( tt), (r)^=((tt)<<(2))); ((tt)=((((l)>>(8))^(r))& (0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8))); ((tt)=((( (r)>>(1))^(l))&(0x55555555L)), (l)^=(tt), (r)^=((tt )<<(1))); }; |
248 | data[0] = l; |
249 | data[1] = r; |
250 | DES_encrypt2((DES_LONGunsigned int *)data, ks1, DES_ENCRYPT1); |
251 | DES_encrypt2((DES_LONGunsigned int *)data, ks2, DES_DECRYPT0); |
252 | DES_encrypt2((DES_LONGunsigned int *)data, ks3, DES_ENCRYPT1); |
253 | l = data[0]; |
254 | r = data[1]; |
255 | FP(r, l){ unsigned int tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L )), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>( 8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8) )); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt ), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))& (0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=(( ((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt )<<(4))); }; |
256 | data[0] = l; |
257 | data[1] = r; |
258 | } |
259 | |
260 | void |
261 | DES_decrypt3(DES_LONGunsigned int *data, DES_key_schedule *ks1, |
262 | DES_key_schedule *ks2, DES_key_schedule *ks3) |
263 | { |
264 | DES_LONGunsigned int l, r; |
265 | |
266 | l = data[0]; |
267 | r = data[1]; |
268 | IP(l, r){ unsigned int tt; ((tt)=((((r)>>(4))^(l))&(0x0f0f0f0fL )), (l)^=(tt), (r)^=((tt)<<(4))); ((tt)=((((l)>>( 16))^(r))&(0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16 ))); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=( tt), (r)^=((tt)<<(2))); ((tt)=((((l)>>(8))^(r))& (0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8))); ((tt)=((( (r)>>(1))^(l))&(0x55555555L)), (l)^=(tt), (r)^=((tt )<<(1))); }; |
269 | data[0] = l; |
270 | data[1] = r; |
271 | DES_encrypt2((DES_LONGunsigned int *)data, ks3, DES_DECRYPT0); |
272 | DES_encrypt2((DES_LONGunsigned int *)data, ks2, DES_ENCRYPT1); |
273 | DES_encrypt2((DES_LONGunsigned int *)data, ks1, DES_DECRYPT0); |
274 | l = data[0]; |
275 | r = data[1]; |
276 | FP(r, l){ unsigned int tt; ((tt)=((((r)>>(1))^(l))&(0x55555555L )), (l)^=(tt), (r)^=((tt)<<(1))); ((tt)=((((l)>>( 8))^(r))&(0x00ff00ffL)), (r)^=(tt), (l)^=((tt)<<(8) )); ((tt)=((((r)>>(2))^(l))&(0x33333333L)), (l)^=(tt ), (r)^=((tt)<<(2))); ((tt)=((((l)>>(16))^(r))& (0x0000ffffL)), (r)^=(tt), (l)^=((tt)<<(16))); ((tt)=(( ((r)>>(4))^(l))&(0x0f0f0f0fL)), (l)^=(tt), (r)^=((tt )<<(4))); }; |
277 | data[0] = l; |
278 | data[1] = r; |
279 | } |
280 | |
281 | #ifndef DES_DEFAULT_OPTIONS |
282 | |
283 | #undef CBC_ENC_C__DONT_UPDATE_IV |
284 | #include "ncbc_enc.c" /* DES_ncbc_encrypt */ |
285 | |
286 | void |
287 | DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output, |
288 | long length, DES_key_schedule *ks1, |
289 | DES_key_schedule *ks2, DES_key_schedule *ks3, |
290 | DES_cblock *ivec, int enc) |
291 | { |
292 | DES_LONGunsigned int tin0, tin1; |
293 | DES_LONGunsigned int tout0, tout1, xor0, xor1; |
294 | const unsigned char *in; |
295 | unsigned char *out; |
296 | long l = length; |
297 | DES_LONGunsigned int tin[2]; |
298 | unsigned char *iv; |
299 | |
300 | in = input; |
301 | out = output; |
302 | iv = &(*ivec)[0]; |
303 | |
304 | if (enc) { |
305 | c2l(iv, tout0)(tout0 =((unsigned int)(*((iv)++))) , tout0|=((unsigned int)( *((iv)++)))<< 8L, tout0|=((unsigned int)(*((iv)++)))<< 16L, tout0|=((unsigned int)(*((iv)++)))<<24L); |
306 | c2l(iv, tout1)(tout1 =((unsigned int)(*((iv)++))) , tout1|=((unsigned int)( *((iv)++)))<< 8L, tout1|=((unsigned int)(*((iv)++)))<< 16L, tout1|=((unsigned int)(*((iv)++)))<<24L); |
307 | for (l -= 8; l >= 0; l -= 8) { |
308 | c2l(in, tin0)(tin0 =((unsigned int)(*((in)++))) , tin0|=((unsigned int)(*( (in)++)))<< 8L, tin0|=((unsigned int)(*((in)++)))<< 16L, tin0|=((unsigned int)(*((in)++)))<<24L); |
309 | c2l(in, tin1)(tin1 =((unsigned int)(*((in)++))) , tin1|=((unsigned int)(*( (in)++)))<< 8L, tin1|=((unsigned int)(*((in)++)))<< 16L, tin1|=((unsigned int)(*((in)++)))<<24L); |
310 | tin0 ^= tout0; |
311 | tin1 ^= tout1; |
312 | |
313 | tin[0] = tin0; |
314 | tin[1] = tin1; |
315 | DES_encrypt3((DES_LONGunsigned int *)tin, ks1, ks2, ks3); |
316 | tout0 = tin[0]; |
317 | tout1 = tin[1]; |
318 | |
319 | l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)= (unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char )(((tout0)>>24L)&0xff)); |
320 | l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)= (unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char )(((tout1)>>24L)&0xff)); |
321 | } |
322 | if (l != -8) { |
323 | c2ln(in, tin0, tin1, l + 8){ in+=l + 8; tin0=tin1=0; switch (l + 8) { case 8: tin1 =((unsigned int)(*(--(in))))<<24L; case 7: tin1|=((unsigned int)(* (--(in))))<<16L; case 6: tin1|=((unsigned int)(*(--(in) )))<< 8L; case 5: tin1|=((unsigned int)(*(--(in)))); case 4: tin0 =((unsigned int)(*(--(in))))<<24L; case 3: tin0 |=((unsigned int)(*(--(in))))<<16L; case 2: tin0|=((unsigned int)(*(--(in))))<< 8L; case 1: tin0|=((unsigned int)(* (--(in)))); } }; |
324 | tin0 ^= tout0; |
325 | tin1 ^= tout1; |
326 | |
327 | tin[0] = tin0; |
328 | tin[1] = tin1; |
329 | DES_encrypt3((DES_LONGunsigned int *)tin, ks1, ks2, ks3); |
330 | tout0 = tin[0]; |
331 | tout1 = tin[1]; |
332 | |
333 | l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)= (unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char )(((tout0)>>24L)&0xff)); |
334 | l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)= (unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char )(((tout1)>>24L)&0xff)); |
335 | } |
336 | iv = &(*ivec)[0]; |
337 | l2c(tout0, iv)(*((iv)++)=(unsigned char)(((tout0) )&0xff), *((iv)++)=(unsigned char)(((tout0)>> 8L)&0xff), *((iv)++)=(unsigned char )(((tout0)>>16L)&0xff), *((iv)++)=(unsigned char)(( (tout0)>>24L)&0xff)); |
338 | l2c(tout1, iv)(*((iv)++)=(unsigned char)(((tout1) )&0xff), *((iv)++)=(unsigned char)(((tout1)>> 8L)&0xff), *((iv)++)=(unsigned char )(((tout1)>>16L)&0xff), *((iv)++)=(unsigned char)(( (tout1)>>24L)&0xff)); |
339 | } else { |
340 | DES_LONGunsigned int t0, t1; |
341 | |
342 | c2l(iv, xor0)(xor0 =((unsigned int)(*((iv)++))) , xor0|=((unsigned int)(*( (iv)++)))<< 8L, xor0|=((unsigned int)(*((iv)++)))<< 16L, xor0|=((unsigned int)(*((iv)++)))<<24L); |
343 | c2l(iv, xor1)(xor1 =((unsigned int)(*((iv)++))) , xor1|=((unsigned int)(*( (iv)++)))<< 8L, xor1|=((unsigned int)(*((iv)++)))<< 16L, xor1|=((unsigned int)(*((iv)++)))<<24L); |
344 | for (l -= 8; l >= 0; l -= 8) { |
345 | c2l(in, tin0)(tin0 =((unsigned int)(*((in)++))) , tin0|=((unsigned int)(*( (in)++)))<< 8L, tin0|=((unsigned int)(*((in)++)))<< 16L, tin0|=((unsigned int)(*((in)++)))<<24L); |
346 | c2l(in, tin1)(tin1 =((unsigned int)(*((in)++))) , tin1|=((unsigned int)(*( (in)++)))<< 8L, tin1|=((unsigned int)(*((in)++)))<< 16L, tin1|=((unsigned int)(*((in)++)))<<24L); |
347 | |
348 | t0 = tin0; |
349 | t1 = tin1; |
350 | |
351 | tin[0] = tin0; |
352 | tin[1] = tin1; |
353 | DES_decrypt3((DES_LONGunsigned int *)tin, ks1, ks2, ks3); |
354 | tout0 = tin[0]; |
355 | tout1 = tin[1]; |
356 | |
357 | tout0 ^= xor0; |
358 | tout1 ^= xor1; |
359 | l2c(tout0, out)(*((out)++)=(unsigned char)(((tout0) )&0xff), *((out)++)= (unsigned char)(((tout0)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout0)>>16L)&0xff), *((out)++)=(unsigned char )(((tout0)>>24L)&0xff)); |
360 | l2c(tout1, out)(*((out)++)=(unsigned char)(((tout1) )&0xff), *((out)++)= (unsigned char)(((tout1)>> 8L)&0xff), *((out)++)=(unsigned char)(((tout1)>>16L)&0xff), *((out)++)=(unsigned char )(((tout1)>>24L)&0xff)); |
361 | xor0 = t0; |
362 | xor1 = t1; |
363 | } |
364 | if (l != -8) { |
365 | c2l(in, tin0)(tin0 =((unsigned int)(*((in)++))) , tin0|=((unsigned int)(*( (in)++)))<< 8L, tin0|=((unsigned int)(*((in)++)))<< 16L, tin0|=((unsigned int)(*((in)++)))<<24L); |
366 | c2l(in, tin1)(tin1 =((unsigned int)(*((in)++))) , tin1|=((unsigned int)(*( (in)++)))<< 8L, tin1|=((unsigned int)(*((in)++)))<< 16L, tin1|=((unsigned int)(*((in)++)))<<24L); |
367 | |
368 | t0 = tin0; |
369 | t1 = tin1; |
370 | |
371 | tin[0] = tin0; |
372 | tin[1] = tin1; |
373 | DES_decrypt3((DES_LONGunsigned int *)tin, ks1, ks2, ks3); |
374 | tout0 = tin[0]; |
375 | tout1 = tin[1]; |
376 | |
377 | tout0 ^= xor0; |
378 | tout1 ^= xor1; |
379 | l2cn(tout0, tout1, out, l + 8){ out+=l + 8; switch (l + 8) { case 8: *(--(out))=(unsigned char )(((tout1)>>24L)&0xff); case 7: *(--(out))=(unsigned char)(((tout1)>>16L)&0xff); case 6: *(--(out))=(unsigned char)(((tout1)>> 8L)&0xff); case 5: *(--(out))=(unsigned char)(((tout1) )&0xff); case 4: *(--(out))=(unsigned char )(((tout0)>>24L)&0xff); case 3: *(--(out))=(unsigned char)(((tout0)>>16L)&0xff); case 2: *(--(out))=(unsigned char)(((tout0)>> 8L)&0xff); case 1: *(--(out))=(unsigned char)(((tout0) )&0xff); } }; |
380 | xor0 = t0; |
381 | xor1 = t1; |
382 | } |
383 | |
384 | iv = &(*ivec)[0]; |
385 | l2c(xor0, iv)(*((iv)++)=(unsigned char)(((xor0) )&0xff), *((iv)++)=(unsigned char)(((xor0)>> 8L)&0xff), *((iv)++)=(unsigned char )(((xor0)>>16L)&0xff), *((iv)++)=(unsigned char)((( xor0)>>24L)&0xff)); |
386 | l2c(xor1, iv)(*((iv)++)=(unsigned char)(((xor1) )&0xff), *((iv)++)=(unsigned char)(((xor1)>> 8L)&0xff), *((iv)++)=(unsigned char )(((xor1)>>16L)&0xff), *((iv)++)=(unsigned char)((( xor1)>>24L)&0xff)); |
387 | } |
388 | tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; |
389 | tin[0] = tin[1] = 0; |
390 | } |
391 | |
392 | #endif /* DES_DEFAULT_OPTIONS */ |