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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 | |
43 | sub enum { |
44 | $x = shift; |
45 | if (!ref($x)) { return $x; } |
46 | elsif (ref($x) eq ARRAY) { return @$x } |
47 | else { die "bad ref"; } |
48 | } |
49 | |
50 | sub cross { |
51 | my $x = []; |
52 | foreach my $i (@_) { |
53 | my @y = enum($i); |
54 | if (@$x) { |
55 | my @x = (); |
56 | foreach my $j (@$x) { foreach my $k (@y) { push(@x, $j.$k); } } |
57 | $x = \@x; |
58 | } else { |
59 | $x = \@y; |
60 | } |
61 | } |
62 | return @$x; |
63 | } |
64 | |
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65 | open OUT, "> $ARGV[0]" or die "couldn't write `$ARGV[0]': $!"; |
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66 | |
67 | print OUT <<EOF; |
68 | /* -*-c-*- |
69 | * |
70 | * algs.c [generated] |
71 | */ |
72 | |
73 | #include "catacomb-perl.h" |
74 | |
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75 | EOF |
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76 | print OUT cross("#include <catacomb/", \@cipher, ".h>\n"), "\n"; |
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77 | print OUT cross("#include <catacomb/", \@cipher, "-", |
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78 | [qw(counter ofb)], ".h>\n"), "\n"; |
79 | print OUT cross("#include <catacomb/", \@hash, "-mgf.h>\n"), "\n"; |
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80 | |
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81 | print OUT <<EOF; |
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82 | |
83 | const struct randtab mgftab[] = { |
84 | EOF |
85 | foreach my $i (@hash) { print OUT " { \"$i\", ${i}_mgfrand },\n"; } |
86 | print OUT <<EOF; |
87 | { 0, 0 } |
88 | }; |
89 | |
90 | const struct randtab ctrtab[] = { |
91 | EOF |
92 | foreach my $i (@cipher) { print OUT " { \"$i\", ${i}_counterrand },\n"; } |
93 | print OUT <<EOF; |
94 | { 0, 0 } |
95 | }; |
96 | |
97 | const struct randtab ofbtab[] = { |
98 | EOF |
99 | foreach my $i (@cipher) { print OUT " { \"$i\", ${i}_ofbrand },\n"; } |
100 | print OUT <<EOF; |
101 | { 0, 0 } |
102 | }; |
103 | EOF |
104 | |
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105 | foreach my $i (@cipher) { |
106 | my $I = uc($i); |
107 | print OUT <<EOF; |
108 | |
109 | static void init_$i(void *ctx, const void *k, size_t ksz) { |
110 | ${i}_init(ctx, k, ksz); |
111 | } |
112 | static void eblk_$i(const void *ctx, const void *in, void *out) { |
113 | uint32 w[${I}_BLKSZ / 4]; |
114 | BLKC_LOAD(${I}, w, in); |
115 | ${i}_eblk(ctx, w, w); |
116 | BLKC_STORE(${I}, out, w); |
117 | } |
118 | static void dblk_$i(const void *ctx, const void *in, void *out) { |
119 | uint32 w[${I}_BLKSZ / 4]; |
120 | BLKC_LOAD(${I}, w, in); |
121 | ${i}_dblk(ctx, w, w); |
122 | BLKC_STORE(${I}, out, w); |
123 | } |
124 | static PRPClass prp_$i = { |
125 | "$i", |
126 | ${i}_keysz, sizeof(${i}_ctx), ${I}_BLKSZ, |
127 | init_$i, eblk_$i, dblk_$i |
128 | }; |
129 | EOF |
130 | } |
131 | |
132 | print OUT <<EOF; |
133 | |
134 | PRPClass *const prptab[] = { |
135 | EOF |
136 | foreach my $i (@cipher) { |
137 | print OUT " &prp_$i,\n"; |
138 | } |
139 | print OUT " 0\n};\n"; |
140 | |
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141 | #----- That's all, folks ---------------------------------------------------- |