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|Branch|CI system|Status|
|:----:|:-------:|-----:|
|Master|Gitlab|[![build status](https://gitlab.com/gnutls/libtasn1/badges/master/pipeline.svg)](https://gitlab.com/gnutls/libtasn1/commits/master)[![coverage report](https://gitlab.com/gnutls/libtasn1/badges/master/coverage.svg)](https://gnutls.gitlab.io/libtasn1/coverage)|

# libtasn1

This is GNU Libtasn1, a small ASN.1 library.

The C library (libtasn1.*) is licensed under the GNU Lesser General
Public License version 2.1 or later.  See the file COPYING.LIB.

The command line tool, self tests, examples, and other auxilliary
files, are licensed under the GNU General Public License version 3.0
or later.  See the file COPYING.

## Building the library

We require several tools to build the software, including:

* [Make](https://www.gnu.org/software/make/)
* [Automake](https://www.gnu.org/software/automake/) (use 1.11.3 or later)
* [Autoconf](https://www.gnu.org/software/autoconf/)
* [Libtool](https://www.gnu.org/software/libtool/)
* [Texinfo](https://www.gnu.org/software/texinfo/)
* [help2man](http://www.gnu.org/software/help2man/)
* [Tar](https://www.gnu.org/software/tar/)
* [Gzip](https://www.gnu.org/software/gzip/)
* [bison](https://www.gnu.org/software/bison/)
* [Texlive & epsf](https://www.tug.org/texlive/) (for PDF manual)
* [GTK-DOC](https://www.gtk.org/gtk-doc/) (for API manual)
* [Git](https://git-scm.com/)
* [libabigail](https://pagure.io/libabigail/) (for abi comparison in make dist)
* [Valgrind](https://valgrind.org/) (optional)

The required software is typically distributed with your operating
system, and the instructions for installing them differ.  Here are
some hints:

gNewSense/Debian/Ubuntu:
```
sudo apt-get install make git-core autoconf automake libtool
sudo apt-get install texinfo texlive texlive-generic-recommended texlive-extra-utils
sudo apt-get install help2man gtk-doc-tools valgrind abigail-tools
```

The next step is to run autoreconf, ./configure, etc:

```
$ ./bootstrap
```

Then build the project normally:

```
$ make
$ make check
```

Happy hacking!


## Manual

The manual is in the `doc/` directory of the release.  You can also browse
the manual online at:

 - https://gnutls.gitlab.io/libtasn1/


## Code coverage report

The coverage report is at:

 - https://gnutls.gitlab.io/libtasn1/coverage


## Issue trackers

 - [Main issue tracker](https://gitlab.com/gnutls/libtasn1/issues)
 - [oss-fuzz found issues](https://bugs.chromium.org/p/oss-fuzz/issues/list?q=libtasn1&can=2)


## Homepage

The project homepage at the gnu site is at:

http://www.gnu.org/software/libtasn1/


For any copyright year range specified as YYYY-ZZZZ in this package
note that the range specifies every single year in that closed interval.