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NAME

       dumpasn1 - ASN.1 object dump/syntax check program

SYNOPSIS

       /usr/bin/dumpasn1 [options] file

DESCRIPTION

       An  ASN.1 object dump program which will dump data encoded using any of
       the ASN.1 encoding rules in a variety of user-specified formats.

OPTIONS

       -      Take input from stdin (some options may not work properly).

       -number
              Start number bytes into the file.

       --     End of arg list.

       -a     Print all data in long data  blocks,  not  just  the  first  128
              bytes.

       -c file
              Read  Object  Identifier info from alternate config file (values
              will override equivalents in global config file)

       -d     Print dots to show column alignment.

       -e     Don’t print encapsulated data inside OCTET/BIT STRINGs.

       -f file
              Dump object at  offset  -number  to  file  (allows  data  to  be
              extracted from encapsulating objects)

       -h     Hex dump object header (tag+length) before the decoded output

       -hh    Same as -h but display more of the object as hex data.

       -l     Long format, display extra info about Object Identifiers.

       -o     Don’t  check  validity  of  character  strings  hidden  in octet
              strings.

       -p     Pure ASN.1 output without encoding information.

       -r     Print bits in BIT STRING as encoded in reverse order

       -s     Syntax check only, don’t dump ASN.1 structures.

       -t     Display text values next to hex dump of data.

       -u     Don’t format UTCTime/GeneralizedTime string data.

       -w     Set output width (default 80).

       -x     Display size and offset in hex not decimal.

FILES

       ./dumpasn1.cfg, $HOME/.dumpasn1.cfg,  /etc/dumpasn1/dumpasn1.cfg:  This
       is  the  configuration  file,  it  will  be  searched in this order. It
       contains OIDs commonly used.

AUTHORS

       qoute from Peter Gutmann:

       ASN.1    object    dumping    code,     copyright     Peter     Gutmann
       <pgut001@cs.auckland.ac.nz>,  based on ASN.1 dump program by David Kemp
       <dpkemp@missi.ncsc.mil>,  with  contributions   from   various   people
       including    Matthew   Hamrick   <hamrick@rsa.com>,   Bruno   Couillard
       <bcouillard@chrysalis-its.com>,            Hallvard            Furuseth
       <h.b.furuseth@usit.uio.no>,   Geoff  Thorpe  <geoff@raas.co.nz>,  David
       Boyce  <d.boyce@isode.com>,  John  Hughes  <john.hughes@entegrity.com>,
       Life  is  hard,  and  then  you  die <ronald@trustpoint.com>, Hans-Olof
       Hermansson      <hans-olof.hermansson@postnet.se>,      Tor      Rustad
       <Tor.Rustad@bbs.no>, Kjetil Barvik <kjetil.barvik@bbs.no>, James Sweeny
       <jsweeny@us.ibm.com>,  and  several  other  people  whose  names   I’ve
       misplaced.

       dumpasn1 is available at http://www.cs.auckland.ac.nz/~pgut001/

COMMENTS

       This  man page was written using xml2man(1) by Oliver Kurth for Debian.