mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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163 lines
3.8 KiB
Plaintext
163 lines
3.8 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-sess_id - SSL/TLS session handling command
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=head1 SYNOPSIS
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B<openssl> B<sess_id>
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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>|B<NSS>]
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[B<-in> I<filename>]
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[B<-out> I<filename>]
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[B<-text>]
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[B<-cert>]
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[B<-noout>]
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[B<-context> I<ID>]
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=head1 DESCRIPTION
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This command processes the encoded version of the SSL session
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structure and optionally prints out SSL session details (for example
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the SSL session master key) in human readable format. Since this is a
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diagnostic tool that needs some knowledge of the SSL protocol to use
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properly, most users will not need to use it.
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The precise format of the data can vary across OpenSSL versions and
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is not documented.
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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>, B<-outform> B<DER>|B<PEM>|B<NSS>
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The input and output formats; the default is PEM.
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See L<openssl-format-options(1)> for details.
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For B<NSS> output, the session ID and master key are reported in NSS "keylog"
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format.
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=item B<-in> I<filename>
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This specifies the input filename to read session information from or standard
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input by default.
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=item B<-out> I<filename>
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This specifies the output filename to write session information to or standard
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output if this option is not specified.
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=item B<-text>
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Prints out the various public or private key components in
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plain text in addition to the encoded version.
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=item B<-cert>
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If a certificate is present in the session it will be output using this option,
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if the B<-text> option is also present then it will be printed out in text form.
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=item B<-noout>
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This option prevents output of the encoded version of the session.
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=item B<-context> I<ID>
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This option can set the session id so the output session information uses the
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supplied ID. The ID can be any string of characters. This option won't normally
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be used.
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=back
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=head1 OUTPUT
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Typical output:
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SSL-Session:
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Protocol : TLSv1
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Cipher : 0016
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Session-ID: 871E62626C554CE95488823752CBD5F3673A3EF3DCE9C67BD916C809914B40ED
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Session-ID-ctx: 01000000
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Master-Key: A7CEFC571974BE02CAC305269DC59F76EA9F0B180CB6642697A68251F2D2BB57E51DBBB4C7885573192AE9AEE220FACD
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Key-Arg : None
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Start Time: 948459261
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Timeout : 300 (sec)
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Verify return code 0 (ok)
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These are described below in more detail.
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=over 4
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=item B<Protocol>
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This is the protocol in use TLSv1.3, TLSv1.2, TLSv1.1, TLSv1 or SSLv3.
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=item B<Cipher>
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The cipher used this is the actual raw SSL or TLS cipher code, see the SSL
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or TLS specifications for more information.
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=item B<Session-ID>
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The SSL session ID in hex format.
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=item B<Session-ID-ctx>
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The session ID context in hex format.
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=item B<Master-Key>
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This is the SSL session master key.
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=item B<Start Time>
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This is the session start time represented as an integer in standard
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Unix format.
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=item B<Timeout>
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The timeout in seconds.
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=item B<Verify return code>
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This is the return code when an SSL client certificate is verified.
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=back
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=head1 NOTES
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Since the SSL session output contains the master key it is
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possible to read the contents of an encrypted session using this
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information. Therefore, appropriate security precautions should be taken if
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the information is being output by a "real" application. This is however
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strongly discouraged and should only be used for debugging purposes.
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=head1 BUGS
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The cipher and start time should be printed out in human readable form.
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=head1 SEE ALSO
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L<openssl(1)>,
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L<openssl-ciphers(1)>,
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L<openssl-s_server(1)>
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=head1 COPYRIGHT
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Copyright 2000-2020 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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