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Man Pages


Manual Reference Pages  -  CONVERT::BASE32 (3)

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NAME

Convert::Base32 - Encoding and decoding of base32 strings

CONTENTS

SYNOPSIS



  use Convert::Base32;

  $encoded = encode_base32("\x3a\x27\x0f\x93");
  $decoded = decode_base32($encoded);



DESCRIPTION

This module provides functions to convert string from / to Base32 encoding, specified in RACE internet-draft. The Base32 encoding is designed to encode non-ASCII characters in DNS-compatible host name parts.

See http://tools.ietf.org/html/draft-ietf-idn-race-03 for more details.

FUNCTIONS

Following functions are provided; like MIME::Base64, they are in <B>B>@EXPORT<B>B> array. See Exporter for details.
encode_base32($str) Encode data by calling the encode_base32() function. This function takes a string of bytes to encode and returns the encoded base32 string.
decode_base32($str) Decode a base32 string by calling the decode_base32() function. This function takes a string to decode and returns the decoded string.

This function might throw the exceptions such as Data contains non-base32 characters, Length of data invalid and Padding bits at the end of output buffer are not all zero.

decode_base32 differs from the specification in that upper case letters are treated as their lower case equivalent rather than producing an error.

AUTHOR

Tatsuhiko Miyagawa <miyagawa@bulknews.net>

Eric Brine <ikegami@adaelis.com>

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

http://www.ietf.org/internet-drafts/draft-ietf-idn-race-03.txt, MIME::Base64, Convert::RACE.
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perl v5.20.3 CONVERT::BASE32 (3) 2012-04-22

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