# phpman > man > Image::ExifTool::CBOR

## NAME
    [Image::ExifTool::CBOR](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3ACBOR/markdown) - Read CBOR format metadata

## SYNOPSIS
    This module is used by [Image::ExifTool](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool/markdown)

## DESCRIPTION
    This module contains definitions required by [Image::ExifTool](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool/markdown) read Concise Binary Object
    Representation (CBOR) formatted metadata, used by the C2PA specification.

## AUTHOR
    Copyright 2003-2022, Phil Harvey (philharvey66 at gmail.com)

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

## REFERENCES
    <<https://c2pa.org/public-draft/>>
    <<https://datatracker.ietf.org/doc/html/rfc7049>>

## SEE ALSO
    "CBOR Tags" in [Image::ExifTool::TagNames](https://www.chedong.com/phpMan.php/perldoc/Image%3A%3AExifTool%3A%3ATagNames/markdown), Image::[ExifTool(3pm)](https://www.chedong.com/phpMan.php/man/ExifTool/3pm/markdown)