SYNOPSIS
dumpasn1 [,-acdefghilmoprstuvwxz/] ,<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.DumpASN1 - ASN.1 object dump/syntax check program. Copyright Peter Gutmann 1997 - 2012. Last updated 8 August 2015.
- Input options:
- - = Take input from stdin (some options may not work properly) -<number> = Start <number> bytes into the file -- = End of arg list -c<file> = Read Object Identifier info from alternate config file
- (values will override equivalents in global config file)
- Output options:
- -f<file> = Dump object at offset -<number> to file (allows data to be
-
- extracted from encapsulating objects)
- -w<number> = Set width of output, default = 80 columns
-
- Display options:
-
-a = Print all data in long data blocks, not just the first 128 bytes
- -d = Print dots to show column alignment
- -g = Display ASN.1 structure outline only (no primitive 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
- -i = Use shallow indenting, for deeply-nested objects
- -l = Long format, display extra info about Object Identifiers
- -m<number>
- -d = Print dots to show column alignment
- = Maximum nesting level for which to display content
-
-p = Pure ASN.1 output without encoding information
- -t = Display text values next to hex dump of data
- -v = Verbose mode, equivalent to -ahlt
- -t = Display text values next to hex dump of data
-
- Format options:
-
-e = Don't print encapsulated data inside OCTET/BIT STRINGs
- -r = Print bits in BIT STRING as encoded in reverse order
- -u = Don't format UTCTime/GeneralizedTime string data
- -x = Display size and offset in hex not decimal
- -r = Print bits in BIT STRING as encoded in reverse order
-
- Checking options:
-
-o = Don't check validity of character strings hidden in octet strings
- -s = Syntax check only, don't dump ASN.1 structures
- -z = Allow zero-length items
- -s = Syntax check only, don't dump ASN.1 structures
COMMENT
This manual page was written by Mathieu Malaterre <[email protected]> for the Debian GNU/Linux system, but may be used by others.FILES
$HOME/.dumpasn1.cfg, /etc/dumpasn1/dumpasn1.cfg:This is the configuration file, it will be searched in this order. It contains OIDs commonly used.
AUTHOR
quote from Peter Gutmann:ASN.1 object dumping code, copyright Peter Gutmann <[email protected]>, based on ASN.1 dump program by David Kemp <[email protected]>, with contributions from various people including Matthew Hamrick <[email protected]>, Bruno Couillard <[email protected]>, Hallvard Furuseth <[email protected]>, Geoff Thorpe <[email protected]>, David Boyce <[email protected]>, John Hughes <[email protected]>, Life is hard, and then you die <[email protected]>, Hans-Olof Hermansson <[email protected]>, Tor Rustad <[email protected]>, Kjetil Barvik <[email protected]>, James Sweeny <[email protected]>, and several other people whose names I've misplaced.
dumpasn1 is available at http://www.cs.auckland.ac.nz/~pgut001/
COPYRIGHT
Copyright Peter Gutmann 1997 - 2012. Last updated 8 August 2015.