| 1 | =pod
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| 2 |
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| 3 | =head1 NAME
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| 4 |
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| 5 | openssl-pkeyparam,
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| 6 | pkeyparam - public key algorithm parameter processing tool
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| 7 |
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| 8 | =head1 SYNOPSIS
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| 9 |
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| 10 | B<openssl> B<pkeyparam>
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| 11 | [B<-help>]
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| 12 | [B<-in filename>]
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| 13 | [B<-out filename>]
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| 14 | [B<-text>]
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| 15 | [B<-noout>]
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| 16 | [B<-engine id>]
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| 17 | [B<-check>]
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| 18 |
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| 19 | =head1 DESCRIPTION
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| 20 |
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| 21 | The B<pkeyparam> command processes public key algorithm parameters.
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| 22 | They can be checked for correctness and their components printed out.
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| 23 |
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| 24 | =head1 OPTIONS
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| 25 |
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| 26 | =over 4
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| 27 |
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| 28 | =item B<-help>
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| 29 |
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| 30 | Print out a usage message.
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| 31 |
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| 32 | =item B<-in filename>
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| 33 |
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| 34 | This specifies the input filename to read parameters from or standard input if
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| 35 | this option is not specified.
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| 36 |
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| 37 | =item B<-out filename>
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| 38 |
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| 39 | This specifies the output filename to write parameters to or standard output if
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| 40 | this option is not specified.
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| 41 |
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| 42 | =item B<-text>
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| 43 |
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| 44 | Prints out the parameters in plain text in addition to the encoded version.
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| 45 |
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| 46 | =item B<-noout>
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| 47 |
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| 48 | Do not output the encoded version of the parameters.
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| 49 |
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| 50 | =item B<-engine id>
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| 51 |
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| 52 | Specifying an engine (by its unique B<id> string) will cause B<pkeyparam>
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| 53 | to attempt to obtain a functional reference to the specified engine,
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| 54 | thus initialising it if needed. The engine will then be set as the default
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| 55 | for all available algorithms.
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| 56 |
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| 57 | =item B<-check>
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| 58 |
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| 59 | This option checks the correctness of parameters.
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| 60 |
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| 61 | =back
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| 62 |
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| 63 | =head1 EXAMPLES
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| 64 |
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| 65 | Print out text version of parameters:
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| 66 |
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| 67 | openssl pkeyparam -in param.pem -text
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| 68 |
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| 69 | =head1 NOTES
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| 70 |
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| 71 | There are no B<-inform> or B<-outform> options for this command because only
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| 72 | PEM format is supported because the key type is determined by the PEM headers.
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| 73 |
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| 74 | =head1 SEE ALSO
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| 75 |
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| 76 | L<genpkey(1)>, L<rsa(1)>, L<pkcs8(1)>,
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| 77 | L<dsa(1)>, L<genrsa(1)>, L<gendsa(1)>
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| 78 |
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| 79 | =head1 COPYRIGHT
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| 80 |
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| 81 | Copyright 2006-2019 The OpenSSL Project Authors. All Rights Reserved.
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| 82 |
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| 83 | Licensed under the OpenSSL license (the "License"). You may not use
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| 84 | this file except in compliance with the License. You can obtain a copy
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| 85 | in the file LICENSE in the source distribution or at
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| 86 | L<https://www.openssl.org/source/license.html>.
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| 87 |
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| 88 | =cut
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