The new PECL package ssdeep-1.1.0 (stable) has been released at

Release notes
* Patch for PHP 7 support (remicollet)
* Add basic Windows support (weltling)

Package Info
The ssdeep project page describes it as a library for "...computing context 
triggered piecewise hashes (CTPH). Also called fuzzy hashes, CTPH can match 
inputs that have homologies. Such inputs have sequences of identical bytes in 
the same order, although bytes in between these sequences may be different in 
both content and length".

For an in depth paper explaining context triggered piecewise hashes please see

ssdeep API Information

Requires at least ssdeep v2.5.

This extensions wraps the ssdeep fuzzy hashing API created by Jesse Kornblum.

For more information about ssdeep, the API and context triggered piecewise 
hashing please see

ssdeep Licensing Exemption

Although ssdeep and the fuzzy hashing API are usually licensed under GNU GPLv2 
Jesse Kornblum has licenced them to PECL under the terms of the Perl Artistic 
Licence with the following declaration:
"I hereby license ssdeep, the current version and all subsequent versions, 
under the terms of the Perl Artistic License, for inclusion into the PECL."
See for the verbatim email.

Related Links
Package home:

Simon Holywell <> (lead)

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