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PKEYPARAM(1) OpenSSL PKEYPARAM(1)

openssl-pkeyparam, pkeyparam - public key algorithm parameter processing tool

openssl pkeyparam [-help] [-in filename] [-out filename] [-text] [-noout] [-engine id] [-check]

The pkeyparam command processes public key algorithm parameters. They can be checked for correctness and their components printed out.

-help
Print out a usage message.
-in filename
This specifies the input filename to read parameters from or standard input if this option is not specified.
-out filename
This specifies the output filename to write parameters to or standard output if this option is not specified.
-text
Prints out the parameters in plain text in addition to the encoded version.
-noout
Do not output the encoded version of the parameters.
-engine id
Specifying an engine (by its unique id string) will cause pkeyparam to attempt to obtain a functional reference to the specified engine, thus initialising it if needed. The engine will then be set as the default for all available algorithms.
-check
This option checks the correctness of parameters.

Print out text version of parameters:

 openssl pkeyparam -in param.pem -text

There are no -inform or -outform options for this command because only PEM format is supported because the key type is determined by the PEM headers.

genpkey(1), rsa(1), pkcs8(1), dsa(1), genrsa(1), gendsa(1)

Copyright 2006-2019 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.

2021-08-24 1.1.1l

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