base32 man page on MacOSX

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base32(n)			Base32 encoding			     base32(n)

______________________________________________________________________________

NAME
       base32 - base32 standard encoding

SYNOPSIS
       package require Tcl  8.4

       package require base32::core  ?0.1?

       package require base32  ?0.1?

       ::base32::encode string

       ::base32::decode estring

_________________________________________________________________

DESCRIPTION
       This  package  provides	commands  for encoding and decoding of strings
       into and out of the standard base32 encoding as specified in RFC 3548.

API
       ::base32::encode string
	      This command encodes the given string in base32 and returns  the
	      encoded  string as its result. The result may be padded with the
	      character = to signal a partial encoding at the end of the input
	      string.

       ::base32::decode estring
	      This commands takes the estring and decodes it under the assump‐
	      tion that it is a valid base32 encoded string. The result of the
	      decoding is returned as the result of the command.

	      Note that while the encoder will generate only uppercase charac‐
	      ters this decoder accepts input in lowercase as well.

	      The command will always throw  an	 error	whenever  encountering
	      conditions which signal some type of bogus input, namely if

	      [1]    the  input contains characters which are not valid output
		     of a base32 encoder,

	      [2]    the length of the input is not a multiple of eight,

	      [3]    padding appears not at the end of input, but in the  mid‐
		     dle,

	      [4]    the  padding  has	not of length six, four, three, or one
		     characters,

CODE MAP
       The code map used to convert 5-bit sequences is shown below,  with  the
       numeric	id  of the bit sequences to the left and the character used to
       encode it to the right. It should be noted that the characters "0"  and
       "1"  are not used by the encoding. This is done as these characters can
       be easily confused with "O", "o" and "l" (L).

	    0 A	   9 J	 18 S	27 3
	    1 B	  10 K	 19 T	28 4
	    2 C	  11 L	 20 U	29 5
	    3 D	  12 M	 21 V	30 6
	    4 E	  13 N	 22 W	31 7
	    5 F	  14 O	 23 X
	    6 G	  15 P	 24 Y
	    7 H	  16 Q	 25 Z
	    8 I	  17 R	 26 2

BUGS, IDEAS, FEEDBACK
       This document, and the package it describes, will  undoubtedly  contain
       bugs  and other problems.  Please report such in the category base32 of
       the	   Tcllib	  SF	     Trackers	       [http://source‐
       forge.net/tracker/?group_id=12883].   Please  also report any ideas for
       enhancements you may have for either package and/or documentation.

KEYWORDS
       base32, rfc3548

CATEGORY
       Text processing

COPYRIGHT
       Copyright (c) Public domain

base32				      0.1			     base32(n)
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