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PKEYPARAM(1) OpenSSL PKEYPARAM(1) NAME openssl-pkeyparam, pkeyparam - public key algorithm parameter processing tool LIBRARY libcrypto, -lcrypto SYNOPSIS openssl pkeyparam [-help] [-in filename] [-out filename] [-text] [-noout] [-engine id] [-check] DESCRIPTION The pkeyparam command processes public key algorithm parameters. They can be checked for correctness and their components printed out. OPTIONS -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. EXAMPLES 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 PEM format is supported because the key type is determined by the PEM headers. SEE ALSO genpkey(1), rsa(1), pkcs8(1), dsa(1), genrsa(1), gendsa(1) COPYRIGHT 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>. 1.1.1i 2020-01-23 PKEYPARAM(1)