pkeyparam (1)

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NAME

pkeyparam - public key algorithm parameter processing tool

SYNOPSIS

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

DESCRIPTION

The pkey command processes public or private keys. They can be converted between various forms and their components printed out.

COMMAND OPTIONS

-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.

EXAMPLE

Print out text version of parameters:

 openssl pkeyparam -in param.pem -text

NOTES

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

SEE ALSO

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