| 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-crl2pkcs7,
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| 6 | crl2pkcs7 - Create a PKCS#7 structure from a CRL and certificates
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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<crl2pkcs7>
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| 11 | [B<-help>]
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| 12 | [B<-inform PEM|DER>]
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| 13 | [B<-outform PEM|DER>]
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| 14 | [B<-in filename>]
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| 15 | [B<-out filename>]
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| 16 | [B<-certfile filename>]
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| 17 | [B<-nocrl>]
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| 18 |
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| 19 | =head1 DESCRIPTION
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| 20 |
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| 21 | The B<crl2pkcs7> command takes an optional CRL and one or more
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| 22 | certificates and converts them into a PKCS#7 degenerate "certificates
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| 23 | only" structure.
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| 24 |
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| 25 | =head1 OPTIONS
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| 26 |
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| 27 | =over 4
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| 28 |
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| 29 | =item B<-help>
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| 30 |
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| 31 | Print out a usage message.
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| 32 |
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| 33 | =item B<-inform DER|PEM>
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| 34 |
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| 35 | This specifies the CRL input format. B<DER> format is DER encoded CRL
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| 36 | structure.B<PEM> (the default) is a base64 encoded version of
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| 37 | the DER form with header and footer lines. The default format is PEM.
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| 38 |
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| 39 | =item B<-outform DER|PEM>
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| 40 |
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| 41 | This specifies the PKCS#7 structure output format. B<DER> format is DER
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| 42 | encoded PKCS#7 structure.B<PEM> (the default) is a base64 encoded version of
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| 43 | the DER form with header and footer lines. The default format is PEM.
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| 44 |
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| 45 | =item B<-in filename>
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| 46 |
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| 47 | This specifies the input filename to read a CRL from or standard input if this
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| 48 | option is not specified.
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| 49 |
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| 50 | =item B<-out filename>
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| 51 |
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| 52 | Specifies the output filename to write the PKCS#7 structure to or standard
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| 53 | output by default.
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| 54 |
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| 55 | =item B<-certfile filename>
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| 56 |
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| 57 | Specifies a filename containing one or more certificates in B<PEM> format.
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| 58 | All certificates in the file will be added to the PKCS#7 structure. This
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| 59 | option can be used more than once to read certificates from multiple
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| 60 | files.
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| 61 |
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| 62 | =item B<-nocrl>
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| 63 |
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| 64 | Normally a CRL is included in the output file. With this option no CRL is
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| 65 | included in the output file and a CRL is not read from the input file.
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| 66 |
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| 67 | =back
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| 68 |
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| 69 | =head1 EXAMPLES
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| 70 |
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| 71 | Create a PKCS#7 structure from a certificate and CRL:
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| 72 |
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| 73 | openssl crl2pkcs7 -in crl.pem -certfile cert.pem -out p7.pem
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| 74 |
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| 75 | Creates a PKCS#7 structure in DER format with no CRL from several
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| 76 | different certificates:
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| 77 |
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| 78 | openssl crl2pkcs7 -nocrl -certfile newcert.pem
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| 79 | -certfile demoCA/cacert.pem -outform DER -out p7.der
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| 80 |
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| 81 | =head1 NOTES
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| 82 |
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| 83 | The output file is a PKCS#7 signed data structure containing no signers and
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| 84 | just certificates and an optional CRL.
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| 85 |
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| 86 | This utility can be used to send certificates and CAs to Netscape as part of
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| 87 | the certificate enrollment process. This involves sending the DER encoded output
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| 88 | as MIME type application/x-x509-user-cert.
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| 89 |
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| 90 | The B<PEM> encoded form with the header and footer lines removed can be used to
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| 91 | install user certificates and CAs in MSIE using the Xenroll control.
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| 92 |
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| 93 | =head1 SEE ALSO
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| 94 |
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| 95 | L<pkcs7(1)>
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| 96 |
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| 97 | =head1 COPYRIGHT
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| 98 |
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| 99 | Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 100 |
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| 101 | Licensed under the OpenSSL license (the "License"). You may not use
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| 102 | this file except in compliance with the License. You can obtain a copy
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| 103 | in the file LICENSE in the source distribution or at
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| 104 | L<https://www.openssl.org/source/license.html>.
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| 105 |
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| 106 | =cut
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