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pkfile

Section: User Commands (1)
Updated: version 0.2
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NAME

pkfile - a program to display and work on PKCS files

SYNOPSIS

pkfile [OPTIONS]... [FILE]

DESCRIPTION

pkfile displays or extracts the content of DER encoded data. When displaying it, it is in a hierarchical, tree-like way. DER stands for Distinguished Encoding Rules. There is a page on Wikipedia to have an overview of DER, see https://en.wikipedia.org/wiki/X.690#DER_encoding
Otherwise the detailed specifications of DER encoding are here:: http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
pkfile can read PEM encoded files and can also decrypt it as needed: pkfile will detect the encoding used and manage input as appropriate, unless option -f is used

OPTIONS

If FILE is not specified, read the standard input
-v --version: Display version information and exit
-V, --verbose: Be more talkative
-l, --level n: Limit hierarchical display to depth n
--offset: Display file offset in output, before each sequence or data block
--flat: Display content without tree-like hierarchical structure
-p, --password pwd: Set password to pwd when decrypting a PEM encoded input
-x, --extract: Instead of displaying input content, output the binary content. If used with PEM encoded inputs, it turns pkfile into a PEM to DER converter. If used along with option -n, it will extract a sub-part of input
-f, --inform pem|der: Enforce (instead of auto-detection) the input format. Either pem or der
-n, --node node: Display (or extract with option -x) only the node n. In the regular output (without -x option), nodes are displayed before each sequence or block of data. They are made of integers separated by a dot, as in 1.3.1
-N, --node-open node: Take the data content of node as the DER encoded input to parse. See description of option -n for the node format
-o, --out file: Output to file instead of standard output
--charset charset: For hierarchical display, assume charset to display tree elements (vertical or horizontal bar and the like). This option is managed exactly as the one of the tree program
--sha1, --sha224, --sha256, --sha384, --sha512, --md4, --md5, --ripemd160, --whirlpool: Prints the input hash with the corresponding hash algorithm
: Note
When launched with a hash calculation option, the input is taken as is: a PEM-encoded input will not be decoded before calculating the sum
--: End of options, the next option is a file

INITIALIZATION FILES

None

ENVIRONMENT VARIABLES

The following environment variable is processed by pkfile:
PKFILE_CHARSET: Like --charset option

AUTHOR

Written by Sébastien Millet <milletseb@laposte.net>

ACKNOWLEDGEMENTS

tree

The characters output to display a hierarchical structure are tuned depending on the charset. The code managing it got copied from tree source, with a few updates.

This document was created by man2html, using the manual pages.
Time: 20:07:04 GMT, February 20, 2016