# NAME

Convert::Z85 - Encode and decode Z85 strings

# SYNOPSIS

   use Convert::Z85;

   my $encoded = encode_z85($binarydata);
   my $decoded = decode_z85($encoded);

# DESCRIPTION

An implementation of the _Z85_ encoding scheme (as described in
[ZeroMQ spec 32](http://rfc.zeromq.org/spec:32)) for encoding binary data as
plain text.

Modelled on the [PyZMQ](http://zeromq.github.io/pyzmq/) implementation.

This module uses [Exporter::Tiny](https://metacpan.org/pod/Exporter::Tiny) to export two functions by default:
["encode\_z85"](#encode_z85) and ["decode\_z85"](#decode_z85).

## encode\_z85

   my $z85 = encode_z85($data);

Takes binary data in 4-byte chunks and returns a Z85-encoded text string.

Per the spec, padding is not performed automatically; the **pad** option can be
specified to pad data with trailing zero bytes:

   my $z85 = encode_z85($data, pad => 1);

## decode\_z85

   my $bin = decode_z85($encoded);

Takes a Z85 text string and returns the original binary data.

Dies (with a stack trace) if invalid data is encountered.

Padding (see ["encode\_z85"](#encode_z85)) is not handled automatically; the **pad** option
can be specified to remove trailing zero bytes:

   my $bin = decode_z85($encoded, pad => 1);

# SEE ALSO

[Convert::Ascii85](https://metacpan.org/pod/Convert::Ascii85)

[POEx::ZMQ](https://metacpan.org/pod/POEx::ZMQ)

[ZMQ::FFI](https://metacpan.org/pod/ZMQ::FFI)

# AUTHOR

Jon Portnoy <[email protected]>

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