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pdf-simple-sign
===============
:compact-option:
'pdf-simple-sign' is a simple open source PDF signer intended for documents
generated by Cairo. As such, it currently comes with some restrictions:
* the document may not have any forms or signatures already, as they will be
overwitten
* the document may not employ cross-reference streams, or must constitute
a hybrid-reference file at least
* the document may not be newer than PDF 1.6 already, or it will get downgraded
to that version
* the signature may take at most 4 kilobytes as a compile-time limit,
which should be enough space even for one intermediate certificate
The signature is attached to the first page and has no appearance.
I don't aim to extend the functionality any further. The project is fairly
self-contained and it should be easy to grasp and change to suit to your needs.
Building
--------
Build dependencies: Meson, a C++11 compiler, pkg-config +
Runtime dependencies: libcrypto (OpenSSL 1.1 API)
$ git clone https://git.janouch.name/p/pdf-simple-sign.git
$ cd pdf-simple-sign
$ meson builddir
$ cd builddir
$ ninja
Usage
-----
$ ./pdf-simple-sign document.pdf document.signed.pdf KeyAndCerts.p12 password
Contributing and Support
------------------------
Use https://git.janouch.name/p/pdf-simple-sign to report bugs, request features,
or submit pull requests. `git send-email` is tolerated. If you want to discuss
the project, feel free to join me at ircs://irc.janouch.name, channel #dev.
Bitcoin donations are accepted at: 12r5uEWEgcHC46xd64tt3hHt9EUvYYDHe9
License
-------
This software is released under the terms of the 0BSD license, the text of which
is included within the package along with the list of authors.
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