1Digest::CRC(3)        User Contributed Perl Documentation       Digest::CRC(3)
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NAME

6       Digest::CRC - Generic CRC functions
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SYNOPSIS

9         # Functional style
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11         use Digest::CRC qw(crc32 crc16 crcccitt crc crc8);
12         $crc = crc32("123456789");
13         $crc = crc16("123456789");
14         $crc = crcccitt("123456789");
15         $crc = crc8("123456789");
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17         $crc = crc($input,$width,$init,$xorout,$refout,$poly,$refin);
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19         # OO style
20         use Digest::CRC;
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22         $ctx = Digest::CRC->new(type=>"crc16");
23         $ctx = Digest::CRC->new(width=>16, init=>0x2345, xorout=>0x0000,
24                                 poly=>0x8005, refin=>1, refout=>1, cont=>1);
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26         $ctx->add($data);
27         $ctx->addfile(*FILE);
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29         $digest = $ctx->digest;
30         $digest = $ctx->hexdigest;
31         $digest = $ctx->b64digest;
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DESCRIPTION

34       The Digest::CRC module calculates CRC sums of all sorts.  It contains
35       wrapper functions with the correct parameters for CRC-CCITT, CRC-16 and
36       CRC-32.
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AUTHOR

39       Oliver Maul, oli@42.nu
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42       CRC algorithm code taken from "A PAINLESS GUIDE TO CRC ERROR DETECTION
43        ALGORITHMS".
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45       The author of this package disclaims all copyrights and releases it
46       into the public domain.
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50perl v5.12.0                      2007-11-05                    Digest::CRC(3)
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