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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" openssl\-pkeyparam, pkeyparam \- public key algorithm parameter processing tool .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBopenssl\fR \fBpkeyparam\fR [\fB\-help\fR] [\fB\-in filename\fR] [\fB\-out filename\fR] [\fB\-text\fR] [\fB\-noout\fR] [\fB\-engine id\fR] [\fB\-check\fR] .SH "DESCRIPTION" .IX Header "DESCRIPTION" The \fBpkeyparam\fR command processes public key algorithm parameters. They can be checked for correctness and their components printed out. .SH "OPTIONS" .IX Header "OPTIONS" .IP "\fB\-help\fR" 4 .IX Item "-help" Print out a usage message. .IP "\fB\-in filename\fR" 4 .IX Item "-in filename" This specifies the input filename to read parameters from or standard input if this option is not specified. .IP "\fB\-out filename\fR" 4 .IX Item "-out filename" This specifies the output filename to write parameters to or standard output if this option is not specified. .IP "\fB\-text\fR" 4 .IX Item "-text" Prints out the parameters in plain text in addition to the encoded version. .IP "\fB\-noout\fR" 4 .IX Item "-noout" Do not output the encoded version of the parameters. .IP "\fB\-engine id\fR" 4 .IX Item "-engine id" Specifying an engine (by its unique \fBid\fR string) will cause \fBpkeyparam\fR 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. .IP "\fB\-check\fR" 4 .IX Item "-check" This option checks the correctness of parameters. .SH "EXAMPLES" .IX Header "EXAMPLES" Print out text version of parameters: .PP .Vb 1 \& openssl pkeyparam \-in param.pem \-text .Ve .SH "NOTES" .IX Header "NOTES" There are no \fB\-inform\fR or \fB\-outform\fR options for this command because only \&\s-1PEM\s0 format is supported because the key type is determined by the \s-1PEM\s0 headers. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBgenpkey\fR\|(1), \fBrsa\fR\|(1), \fBpkcs8\fR\|(1), \&\fBdsa\fR\|(1), \fBgenrsa\fR\|(1), \fBgendsa\fR\|(1) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2006\-2019 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.