Crypt::Checksum - functional interface to CRC32 and Adler32 checksums
use Crypt::Checksum ':all'; # calculate Adler32 checksum from string/buffer $checksum_raw = adler32_data($data); $checksum_hex = adler32_data_hex($data); # calculate Adler32 checksum from file $checksum_raw = adler32_file('filename.dat'); $checksum_hex = adler32_file_hex('filename.dat'); # calculate Adler32 checksum from filehandle $checksum_raw = adler32_file(*FILEHANDLE); $checksum_hex = adler32_file_hex(*FILEHANDLE); # calculate CRC32 checksum from string/buffer $checksum_raw = crc32_data($data); $checksum_hex = crc32_data_hex($data); # calculate CRC32 checksum from file $checksum_raw = crc32_file('filename.dat'); $checksum_hex = crc32_file_hex('filename.dat'); # calculate CRC32 checksum from filehandle $checksum_raw = crc32_file(*FILEHANDLE); $checksum_hex = crc32_file_hex(*FILEHANDLE);
Calculating CRC32 and Adler32 checksums (functional interface);
Since: CryptX-0.032
Nothing is exported by default.
You can export selected functions:
use Crypt::Checksum qw( adler32_data adler32_data_hex adler32_file adler32_file_hex crc32_data crc32_data_hex crc32_file crc32_file_hex );
Or all of them at once:
use Crypt::Checksum ':all';
Returns checksum as raw octects.
$checksum_raw = adler32_data('data string'); #or $checksum_raw = adler32_data('any data', 'more data', 'even more data');
Returns checksum as a hexadecimal string.
$checksum_hex = adler32_data_hex('data string'); #or $checksum_hex = adler32_data_hex('any data', 'more data', 'even more data');
Returns checksum as unsigned 32bit integer.
$checksum_hex = adler32_data_int('data string'); #or $checksum_hex = adler32_data_int('any data', 'more data', 'even more data');
$checksum_raw = adler32_file('filename.dat'); #or $checksum_raw = adler32_file(*FILEHANDLE);
$checksum_hex = adler32_file_hex('filename.dat'); #or $checksum_hex = adler32_file_hex(*FILEHANDLE);
$checksum_hex = adler32_file_int('filename.dat'); #or $checksum_hex = adler32_file_int(*FILEHANDLE);
$checksum_raw = crc32_data('data string'); #or $checksum_raw = crc32_data('any data', 'more data', 'even more data');
$checksum_hex = crc32_data_hex('data string'); #or $checksum_hex = crc32_data_hex('any data', 'more data', 'even more data');
$checksum_hex = crc32_data_int('data string'); #or $checksum_hex = crc32_data_int('any data', 'more data', 'even more data');
$checksum_raw = crc32_file('filename.dat'); #or $checksum_raw = crc32_file(*FILEHANDLE);
$checksum_hex = crc32_file_hex('filename.dat'); #or $checksum_hex = crc32_file_hex(*FILEHANDLE);
$checksum_hex = crc32_file_int('filename.dat'); #or $checksum_hex = crc32_file_int(*FILEHANDLE);
CryptX, Crypt::Checksum::Adler32, Crypt::Checksum::CRC32
https://en.wikipedia.org/wiki/Adler-32
https://en.wikipedia.org/wiki/Cyclic_redundancy_check
To install CryptX, copy and paste the appropriate command in to your terminal.
cpanm
cpanm CryptX
CPAN shell
perl -MCPAN -e shell install CryptX
For more information on module installation, please visit the detailed CPAN module installation guide.