Libtasn1 1.3

Simon Josefsson simon at
Fri Feb 1 17:56:07 CET 2008

Libtasn1 is a standalone library written in C for manipulating ASN.1
objects including DER/BER encoding and DER/BER decoding.  Libtasn1 is
used by GnuTLS to manipulate X.509 objects and by Shishi to handle
Kerberos V5 packets.

Version 1.3 (released 2008-02-01)
- Handle 'INTEGER { ... } (a..b)' regression.
  Revert parts of earlier fix.  asn1Parser can now again parse src/pkix.asn1.
  The ASN1.c file was generated using Bison 2.3.
- Move examples from src/ to new directory examples/.
- Duplicate copy of divergated pkix.asn removed.
- Merge unnecessary lib/defines.h into lib/int.h.
- Configure no longer tries to use gcc -pipe.
- Update gnulib files.
- Fix mem leak in self-test.

Commercial support contracts for Libtasn1 are available, and they help
finance continued maintenance.  Simon Josefsson Datakonsult, a Stockholm
based privately held company, is currently funding Libtasn1 maintenance.
We are always looking for interesting development projects.  See for more details.

If you need help to use Libtasn1, or want to help others, you are
invited to join our help-gnutls mailing list, see:


Manual in many formats:

Here are the compressed sources (1.5MB):

Here are GPG detached signatures using key 0xB565716F:

The software is cryptographically signed by the author using an
OpenPGP key identified by the following information:

pub   1280R/B565716F 2002-05-05 [expires: 2008-06-30]
      Key fingerprint = 0424 D4EE 81A0 E3D1 19C6  F835 EDA2 1E94 B565 716F
uid                  Simon Josefsson <simon at>
uid                  Simon Josefsson <jas at>
sub   1280R/4D5D40AE 2002-05-05 [expires: 2008-06-30]

The key is available from:

Here are the SHA-1 and SHA-224 checksums:

154d79b6e49ec9efeb758ef964c6d23a838da289  libtasn1-1.3.tar.gz

00e700b079903f98707acf521d7d49327cc125097cb389e69a27211c  libtasn1-1.3.tar.gz

Happy hacking,
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