Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 1 | #!/usr/local/bin/perl |
| 2 | # bn_prime.pl |
| 3 | |
| 4 | $num=2048; |
| 5 | $num=$ARGV[0] if ($#ARGV >= 0); |
| 6 | |
| 7 | push(@primes,2); |
| 8 | $p=1; |
| 9 | loop: while ($#primes < $num-1) |
| 10 | { |
| 11 | $p+=2; |
| 12 | $s=int(sqrt($p)); |
| 13 | |
| 14 | for ($i=0; defined($primes[$i]) && $primes[$i]<=$s; $i++) |
| 15 | { |
| 16 | next loop if (($p%$primes[$i]) == 0); |
| 17 | } |
| 18 | push(@primes,$p); |
| 19 | } |
| 20 | |
| 21 | # print <<"EOF"; |
| 22 | # /* Auto generated by bn_prime.pl */ |
| 23 | # /* Copyright (C) 1995-1997 Eric Young (eay\@mincom.oz.au). |
| 24 | # * All rights reserved. |
| 25 | # * Copyright remains Eric Young's, and as such any Copyright notices in |
| 26 | # * the code are not to be removed. |
| 27 | # * See the COPYRIGHT file in the SSLeay distribution for more details. |
| 28 | # */ |
| 29 | # |
| 30 | # EOF |
| 31 | |
| 32 | print <<\EOF; |
| 33 | /* Auto generated by bn_prime.pl */ |
| 34 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 35 | * All rights reserved. |
| 36 | * |
| 37 | * This package is an SSL implementation written |
| 38 | * by Eric Young (eay@cryptsoft.com). |
| 39 | * The implementation was written so as to conform with Netscapes SSL. |
| 40 | * |
| 41 | * This library is free for commercial and non-commercial use as long as |
| 42 | * the following conditions are aheared to. The following conditions |
| 43 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 44 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 45 | * included with this distribution is covered by the same copyright terms |
| 46 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 47 | * |
| 48 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 49 | * the code are not to be removed. |
| 50 | * If this package is used in a product, Eric Young should be given attribution |
| 51 | * as the author of the parts of the library used. |
| 52 | * This can be in the form of a textual message at program startup or |
| 53 | * in documentation (online or textual) provided with the package. |
| 54 | * |
| 55 | * Redistribution and use in source and binary forms, with or without |
| 56 | * modification, are permitted provided that the following conditions |
| 57 | * are met: |
| 58 | * 1. Redistributions of source code must retain the copyright |
| 59 | * notice, this list of conditions and the following disclaimer. |
| 60 | * 2. Redistributions in binary form must reproduce the above copyright |
| 61 | * notice, this list of conditions and the following disclaimer in the |
| 62 | * documentation and/or other materials provided with the distribution. |
| 63 | * 3. All advertising materials mentioning features or use of this software |
| 64 | * must display the following acknowledgement: |
| 65 | * "This product includes cryptographic software written by |
| 66 | * Eric Young (eay@cryptsoft.com)" |
| 67 | * The word 'cryptographic' can be left out if the rouines from the library |
| 68 | * being used are not cryptographic related :-). |
| 69 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 70 | * the apps directory (application code) you must include an acknowledgement: |
| 71 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 72 | * |
| 73 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 74 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 75 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 76 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 77 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 78 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 79 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 80 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 81 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 82 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 83 | * SUCH DAMAGE. |
| 84 | * |
| 85 | * The licence and distribution terms for any publically available version or |
| 86 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 87 | * copied and put under another distribution licence |
| 88 | * [including the GNU Public Licence.] |
| 89 | */ |
| 90 | |
| 91 | EOF |
| 92 | |
| 93 | for ($i=0; $i <= $#primes; $i++) |
| 94 | { |
| 95 | if ($primes[$i] > 256) |
| 96 | { |
| 97 | $eight=$i; |
| 98 | last; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | printf "#ifndef EIGHT_BIT\n"; |
| 103 | printf "#define NUMPRIMES %d\n",$num; |
| 104 | printf "typedef unsigned short prime_t;\n"; |
| 105 | printf "#else\n"; |
| 106 | printf "#define NUMPRIMES %d\n",$eight; |
| 107 | printf "typedef unsigned char prime_t;\n"; |
| 108 | printf "#endif\n"; |
| 109 | print "static const prime_t primes[NUMPRIMES]=\n\t{\n\t"; |
| 110 | $init=0; |
| 111 | for ($i=0; $i <= $#primes; $i++) |
| 112 | { |
| 113 | printf "\n#ifndef EIGHT_BIT\n\t" if ($primes[$i] > 256) && !($init++); |
| 114 | printf("\n\t") if (($i%8) == 0) && ($i != 0); |
| 115 | printf("%4d,",$primes[$i]); |
| 116 | } |
| 117 | print "\n#endif\n\t};\n"; |
| 118 | |
| 119 | |