| 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-crl,
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| 6 | crl - CRL utility
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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<crl>
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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<-text>]
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| 15 | [B<-in filename>]
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| 16 | [B<-out filename>]
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| 17 | [B<-nameopt option>]
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| 18 | [B<-noout>]
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| 19 | [B<-hash>]
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| 20 | [B<-issuer>]
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| 21 | [B<-lastupdate>]
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| 22 | [B<-nextupdate>]
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| 23 | [B<-CAfile file>]
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| 24 | [B<-CApath dir>]
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| 25 |
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| 26 | =head1 DESCRIPTION
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| 27 |
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| 28 | The B<crl> command processes CRL files in DER or PEM format.
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| 29 |
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| 30 | =head1 OPTIONS
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| 31 |
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| 32 | =over 4
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| 33 |
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| 34 | =item B<-help>
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| 35 |
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| 36 | Print out a usage message.
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| 37 |
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| 38 | =item B<-inform DER|PEM>
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| 39 |
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| 40 | This specifies the input format. B<DER> format is DER encoded CRL
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| 41 | structure. B<PEM> (the default) is a base64 encoded version of
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| 42 | the DER form with header and footer lines.
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| 43 |
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| 44 | =item B<-outform DER|PEM>
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| 45 |
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| 46 | This specifies the output format, the options have the same meaning and default
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| 47 | as the B<-inform> option.
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| 48 |
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| 49 | =item B<-in filename>
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| 50 |
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| 51 | This specifies the input filename to read from or standard input if this
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| 52 | option is not specified.
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| 53 |
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| 54 | =item B<-out filename>
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| 55 |
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| 56 | Specifies the output filename to write to or standard output by
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| 57 | default.
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| 58 |
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| 59 | =item B<-text>
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| 60 |
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| 61 | Print out the CRL in text form.
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| 62 |
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| 63 | =item B<-nameopt option>
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| 64 |
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| 65 | Option which determines how the subject or issuer names are displayed. See
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| 66 | the description of B<-nameopt> in L<x509(1)>.
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| 67 |
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| 68 | =item B<-noout>
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| 69 |
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| 70 | Don't output the encoded version of the CRL.
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| 71 |
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| 72 | =item B<-hash>
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| 73 |
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| 74 | Output a hash of the issuer name. This can be use to lookup CRLs in
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| 75 | a directory by issuer name.
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| 76 |
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| 77 | =item B<-hash_old>
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| 78 |
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| 79 | Outputs the "hash" of the CRL issuer name using the older algorithm
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| 80 | as used by OpenSSL before version 1.0.0.
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| 81 |
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| 82 | =item B<-issuer>
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| 83 |
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| 84 | Output the issuer name.
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| 85 |
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| 86 | =item B<-lastupdate>
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| 87 |
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| 88 | Output the lastUpdate field.
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| 89 |
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| 90 | =item B<-nextupdate>
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| 91 |
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| 92 | Output the nextUpdate field.
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| 93 |
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| 94 | =item B<-CAfile file>
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| 95 |
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| 96 | Verify the signature on a CRL by looking up the issuing certificate in
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| 97 | B<file>.
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| 98 |
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| 99 | =item B<-CApath dir>
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| 100 |
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| 101 | Verify the signature on a CRL by looking up the issuing certificate in
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| 102 | B<dir>. This directory must be a standard certificate directory: that
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| 103 | is a hash of each subject name (using B<x509 -hash>) should be linked
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| 104 | to each certificate.
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| 105 |
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| 106 | =back
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| 107 |
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| 108 | =head1 NOTES
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| 109 |
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| 110 | The PEM CRL format uses the header and footer lines:
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| 111 |
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| 112 | -----BEGIN X509 CRL-----
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| 113 | -----END X509 CRL-----
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| 114 |
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| 115 | =head1 EXAMPLES
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| 116 |
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| 117 | Convert a CRL file from PEM to DER:
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| 118 |
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| 119 | openssl crl -in crl.pem -outform DER -out crl.der
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| 120 |
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| 121 | Output the text form of a DER encoded certificate:
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| 122 |
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| 123 | openssl crl -in crl.der -inform DER -text -noout
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| 124 |
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| 125 | =head1 BUGS
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| 126 |
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| 127 | Ideally it should be possible to create a CRL using appropriate options
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| 128 | and files too.
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| 129 |
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| 130 | =head1 SEE ALSO
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| 131 |
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| 132 | L<crl2pkcs7(1)>, L<ca(1)>, L<x509(1)>
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| 133 |
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| 134 | =head1 COPYRIGHT
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| 135 |
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| 136 | Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
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| 137 |
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| 138 | Licensed under the OpenSSL license (the "License"). You may not use
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| 139 | this file except in compliance with the License. You can obtain a copy
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| 140 | in the file LICENSE in the source distribution or at
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| 141 | L<https://www.openssl.org/source/license.html>.
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| 142 |
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| 143 | =cut
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