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127 lines
2.9 KiB
Plaintext
127 lines
2.9 KiB
Plaintext
=pod
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{- OpenSSL::safe::output_do_not_edit_headers(); -}
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=head1 NAME
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openssl-dsaparam - DSA parameter manipulation and generation
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=head1 SYNOPSIS
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B<openssl dsaparam>
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[B<-help>]
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[B<-inform> B<DER>|B<PEM>]
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[B<-outform> B<DER>|B<PEM>]
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[B<-in> I<filename>]
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[B<-out> I<filename>]
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[B<-noout>]
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[B<-text>]
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[B<-genkey>]
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[B<-verbose>]
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[B<-quiet>]
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{- $OpenSSL::safe::opt_r_synopsis -}
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{- $OpenSSL::safe::opt_engine_synopsis -}{- $OpenSSL::safe::opt_provider_synopsis -}
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[I<numbits>]
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=head1 DESCRIPTION
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This command is used to manipulate or generate DSA parameter files.
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DSA parameter generation can be a slow process and as a result the same set of
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DSA parameters is often used to generate several distinct keys.
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=head1 OPTIONS
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=over 4
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=item B<-help>
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Print out a usage message.
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=item B<-inform> B<DER>|B<PEM>
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The DSA parameters input format; unspecified by default.
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See L<openssl-format-options(1)> for details.
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=item B<-outform> B<DER>|B<PEM>
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The DSA parameters output format; the default is B<PEM>.
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See L<openssl-format-options(1)> for details.
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Parameters are a sequence of B<ASN.1 INTEGER>s: B<p>, B<q>, and B<g>.
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This is compatible with RFC 2459 B<DSS-Parms> structure.
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=item B<-in> I<filename>
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This specifies the input filename to read parameters from or standard input if
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this option is not specified. If the I<numbits> parameter is included then
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this option will be ignored.
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=item B<-out> I<filename>
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This specifies the output filename parameters to. Standard output is used
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if this option is not present. The output filename should B<not> be the same
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as the input filename.
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=item B<-noout>
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This option inhibits the output of the encoded version of the parameters.
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=item B<-text>
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This option prints out the DSA parameters in human readable form.
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=item B<-genkey>
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This option will generate a DSA either using the specified or generated
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parameters.
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=item B<-verbose>
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Print extra details about the operations being performed.
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=item B<-quiet>
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Print fewer details about the operations being performed, which may
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be handy during batch scripts and pipelines.
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{- $OpenSSL::safe::opt_r_item -}
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{- $OpenSSL::safe::opt_engine_item -}
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=item I<numbits>
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This option specifies that a parameter set should be generated of size
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I<numbits>. It must be the last option. If this option is included then
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the input file (if any) is ignored.
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{- $OpenSSL::safe::opt_provider_item -}
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=back
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=head1 SEE ALSO
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L<openssl(1)>,
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L<openssl-pkeyparam(1)>,
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L<openssl-gendsa(1)>,
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L<openssl-dsa(1)>,
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L<openssl-genrsa(1)>,
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L<openssl-rsa(1)>
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=head1 HISTORY
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The B<-engine> option was deprecated in OpenSSL 3.0.
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The B<-C> option was removed in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2000-2022 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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