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Initially, the manual page entry for the 'openssl cmd' command used to be available at 'cmd(1)'. Later, the aliases 'openssl-cmd(1)' was introduced, which made it easier to group the openssl commands using the 'apropos(1)' command or the shell's tab completion. In order to reduce cluttering of the global manual page namespace, the manual page entries without the 'openssl-' prefix have been deprecated in OpenSSL 3.0 and will be removed in OpenSSL 4.0. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9666)
107 lines
2.8 KiB
Plaintext
107 lines
2.8 KiB
Plaintext
=pod
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=head1 NAME
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openssl-crl2pkcs7 - Create a PKCS#7 structure from a CRL and certificates
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=head1 SYNOPSIS
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B<openssl> B<crl2pkcs7>
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[B<-help>]
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[B<-inform PEM|DER>]
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[B<-outform PEM|DER>]
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[B<-in filename>]
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[B<-out filename>]
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[B<-certfile filename>]
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[B<-nocrl>]
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=head1 DESCRIPTION
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The B<crl2pkcs7> command takes an optional CRL and one or more
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certificates and converts them into a PKCS#7 degenerate "certificates
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only" structure.
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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 DER|PEM>
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This specifies the CRL input format. B<DER> format is DER encoded CRL
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structure.B<PEM> (the default) is a base64 encoded version of
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the DER form with header and footer lines. The default format is PEM.
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=item B<-outform DER|PEM>
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This specifies the PKCS#7 structure output format. B<DER> format is DER
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encoded PKCS#7 structure.B<PEM> (the default) is a base64 encoded version of
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the DER form with header and footer lines. The default format is PEM.
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=item B<-in filename>
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This specifies the input filename to read a CRL from or standard input if this
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option is not specified.
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=item B<-out filename>
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Specifies the output filename to write the PKCS#7 structure to or standard
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output by default.
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=item B<-certfile filename>
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Specifies a filename containing one or more certificates in B<PEM> format.
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All certificates in the file will be added to the PKCS#7 structure. This
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option can be used more than once to read certificates form multiple
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files.
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=item B<-nocrl>
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Normally a CRL is included in the output file. With this option no CRL is
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included in the output file and a CRL is not read from the input file.
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=back
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=head1 EXAMPLES
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Create a PKCS#7 structure from a certificate and CRL:
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openssl crl2pkcs7 -in crl.pem -certfile cert.pem -out p7.pem
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Creates a PKCS#7 structure in DER format with no CRL from several
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different certificates:
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openssl crl2pkcs7 -nocrl -certfile newcert.pem
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-certfile demoCA/cacert.pem -outform DER -out p7.der
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=head1 NOTES
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The output file is a PKCS#7 signed data structure containing no signers and
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just certificates and an optional CRL.
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This utility can be used to send certificates and CAs to Netscape as part of
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the certificate enrollment process. This involves sending the DER encoded output
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as MIME type application/x-x509-user-cert.
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The B<PEM> encoded form with the header and footer lines removed can be used to
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install user certificates and CAs in MSIE using the Xenroll control.
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=head1 SEE ALSO
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L<openssl(1)>,
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L<openssl-pkcs7(1)>
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=head1 COPYRIGHT
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Copyright 2000-2019 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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