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1 | # -*-perl-*- |
2 | # |
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3 | # $Id$ |
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4 | # |
5 | # Create tables of algorithms |
6 | # |
7 | # (c) 2001 Straylight/Edgeware |
8 | # |
9 | |
10 | #----- Licensing notice ----------------------------------------------------- |
11 | # |
12 | # This file is part of the Perl interface to Catacomb. |
13 | # |
14 | # Catacomb/Perl is free software; you can redistribute it and/or modify |
15 | # it under the terms of the GNU General Public License as published by |
16 | # the Free Software Foundation; either version 2 of the License, or |
17 | # (at your option) any later version. |
18 | # |
19 | # Catacomb/Perl is distributed in the hope that it will be useful, |
20 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | # GNU General Public License for more details. |
23 | # |
24 | # You should have received a copy of the GNU General Public License |
25 | # along with Catacomb/Perl; if not, write to the Free Software Foundation, |
26 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
27 | |
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28 | @cipher = qw(des desx des3 |
29 | blowfish twofish |
30 | cast128 cast256 |
31 | idea safer safersk |
32 | rc2 rc5 |
33 | square rijndael rijndael192 rijndael256 |
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34 | serpent noekeon |
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35 | skipjack |
36 | mars |
37 | tea xtea); |
38 | @stream = qw(rc4 seal); |
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39 | @hash = qw(md5 md4 md2 tiger has160 |
40 | sha sha224 sha256 sha384 sha512 |
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41 | rmd128 rmd160 rmd256 rmd320 |
42 | whirlpool whirlpool256); |
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43 | |
44 | sub enum { |
45 | $x = shift; |
46 | if (!ref($x)) { return $x; } |
47 | elsif (ref($x) eq ARRAY) { return @$x } |
48 | else { die "bad ref"; } |
49 | } |
50 | |
51 | sub cross { |
52 | my $x = []; |
53 | foreach my $i (@_) { |
54 | my @y = enum($i); |
55 | if (@$x) { |
56 | my @x = (); |
57 | foreach my $j (@$x) { foreach my $k (@y) { push(@x, $j.$k); } } |
58 | $x = \@x; |
59 | } else { |
60 | $x = \@y; |
61 | } |
62 | } |
63 | return @$x; |
64 | } |
65 | |
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66 | open OUT, "> $ARGV[0]" or die "couldn't write `$ARGV[0]': $!"; |
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67 | |
68 | print OUT <<EOF; |
69 | /* -*-c-*- |
70 | * |
71 | * algs.c [generated] |
72 | */ |
73 | |
74 | #include "catacomb-perl.h" |
75 | |
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76 | EOF |
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77 | print OUT cross("#include <catacomb/", \@cipher, ".h>\n"), "\n"; |
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78 | print OUT cross("#include <catacomb/", \@cipher, "-", |
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79 | [qw(counter ofb)], ".h>\n"), "\n"; |
80 | print OUT cross("#include <catacomb/", \@hash, "-mgf.h>\n"), "\n"; |
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81 | |
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82 | print OUT <<EOF; |
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83 | |
84 | const struct randtab mgftab[] = { |
85 | EOF |
86 | foreach my $i (@hash) { print OUT " { \"$i\", ${i}_mgfrand },\n"; } |
87 | print OUT <<EOF; |
88 | { 0, 0 } |
89 | }; |
90 | |
91 | const struct randtab ctrtab[] = { |
92 | EOF |
93 | foreach my $i (@cipher) { print OUT " { \"$i\", ${i}_counterrand },\n"; } |
94 | print OUT <<EOF; |
95 | { 0, 0 } |
96 | }; |
97 | |
98 | const struct randtab ofbtab[] = { |
99 | EOF |
100 | foreach my $i (@cipher) { print OUT " { \"$i\", ${i}_ofbrand },\n"; } |
101 | print OUT <<EOF; |
102 | { 0, 0 } |
103 | }; |
104 | EOF |
105 | |
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106 | foreach my $i (@cipher) { |
107 | my $I = uc($i); |
108 | print OUT <<EOF; |
109 | |
110 | static void init_$i(void *ctx, const void *k, size_t ksz) { |
111 | ${i}_init(ctx, k, ksz); |
112 | } |
113 | static void eblk_$i(const void *ctx, const void *in, void *out) { |
114 | uint32 w[${I}_BLKSZ / 4]; |
115 | BLKC_LOAD(${I}, w, in); |
116 | ${i}_eblk(ctx, w, w); |
117 | BLKC_STORE(${I}, out, w); |
118 | } |
119 | static void dblk_$i(const void *ctx, const void *in, void *out) { |
120 | uint32 w[${I}_BLKSZ / 4]; |
121 | BLKC_LOAD(${I}, w, in); |
122 | ${i}_dblk(ctx, w, w); |
123 | BLKC_STORE(${I}, out, w); |
124 | } |
125 | static PRPClass prp_$i = { |
126 | "$i", |
127 | ${i}_keysz, sizeof(${i}_ctx), ${I}_BLKSZ, |
128 | init_$i, eblk_$i, dblk_$i |
129 | }; |
130 | EOF |
131 | } |
132 | |
133 | print OUT <<EOF; |
134 | |
135 | PRPClass *const prptab[] = { |
136 | EOF |
137 | foreach my $i (@cipher) { |
138 | print OUT " &prp_$i,\n"; |
139 | } |
140 | print OUT " 0\n};\n"; |
141 | |
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142 | #----- That's all, folks ---------------------------------------------------- |