OPENSSL-PKEYPARAM(1ossl) OpenSSL OPENSSL-PKEYPARAM(1ossl) NAME openssl-pkeyparam - public key algorithm parameter processing command SYNOPSIS openssl pkeyparam [-help] [-in filename] [-out filename] [-text] [-noout] [-check] [-provider name] [-provider-path path] [-provparam [name:]key=value] [-propquery propq] DESCRIPTION This 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 file 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. The output filename can be the same as the input filename, which leads to replacing the file contents. Note that file I/O is not atomic. The output file is truncated and then written. -text Prints out the parameters in plain text in addition to the encoded ver- sion. -noout Do not output the encoded version of the parameters. -check This option checks the correctness of parameters. -provider name -provider-path path -provparam [name:]key=value -propquery propq See "Provider Options" in openssl(1), provider(7), and property(7). 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 openssl(1), openssl-genpkey(1), openssl-rsa(1), openssl-pkcs8(1), openssl-dsa(1), openssl-genrsa(1), openssl-gendsa(1) HISTORY The -engine option was removed in OpenSSL 4.0. COPYRIGHT Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. Licensed under the Apache License 2.0 (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>. 4.0.2 2026-08-25 OPENSSL-PKEYPARAM(1ossl)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | NOTES | SEE ALSO | HISTORY | COPYRIGHT
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