| 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-pkcs7,
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| 6 | pkcs7 - PKCS#7 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<pkcs7>
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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<-print_certs>]
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| 17 | [B<-text>]
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| 18 | [B<-noout>]
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| 19 | [B<-engine id>]
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| 20 |
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| 21 | =head1 DESCRIPTION
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| 22 |
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| 23 | The B<pkcs7> command processes PKCS#7 files in DER or PEM format.
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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 input format. B<DER> format is DER encoded PKCS#7
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| 36 | v1.5 structure.B<PEM> (the default) is a base64 encoded version of
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| 37 | the DER form with header and footer lines.
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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 output format, the options have the same meaning and default
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| 42 | as the B<-inform> option.
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| 43 |
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| 44 | =item B<-in filename>
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| 45 |
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| 46 | This specifies the input filename to read from or standard input if this
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| 47 | option is not specified.
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| 48 |
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| 49 | =item B<-out filename>
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| 50 |
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| 51 | Specifies the output filename to write to or standard output by
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| 52 | default.
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| 53 |
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| 54 | =item B<-print_certs>
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| 55 |
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| 56 | Prints out any certificates or CRLs contained in the file. They are
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| 57 | preceded by their subject and issuer names in one line format.
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| 58 |
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| 59 | =item B<-text>
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| 60 |
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| 61 | Prints out certificates details in full rather than just subject and
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| 62 | issuer names.
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| 63 |
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| 64 | =item B<-noout>
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| 65 |
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| 66 | Don't output the encoded version of the PKCS#7 structure (or certificates
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| 67 | is B<-print_certs> is set).
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| 68 |
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| 69 | =item B<-engine id>
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| 70 |
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| 71 | Specifying an engine (by its unique B<id> string) will cause B<pkcs7>
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| 72 | to attempt to obtain a functional reference to the specified engine,
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| 73 | thus initialising it if needed. The engine will then be set as the default
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| 74 | for all available algorithms.
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| 75 |
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| 76 | =back
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| 77 |
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| 78 | =head1 EXAMPLES
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| 79 |
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| 80 | Convert a PKCS#7 file from PEM to DER:
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| 81 |
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| 82 | openssl pkcs7 -in file.pem -outform DER -out file.der
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| 83 |
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| 84 | Output all certificates in a file:
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| 85 |
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| 86 | openssl pkcs7 -in file.pem -print_certs -out certs.pem
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| 87 |
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| 88 | =head1 NOTES
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| 89 |
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| 90 | The PEM PKCS#7 format uses the header and footer lines:
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| 91 |
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| 92 | -----BEGIN PKCS7-----
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| 93 | -----END PKCS7-----
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| 94 |
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| 95 | For compatibility with some CAs it will also accept:
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| 96 |
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| 97 | -----BEGIN CERTIFICATE-----
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| 98 | -----END CERTIFICATE-----
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| 99 |
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| 100 | =head1 RESTRICTIONS
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| 101 |
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| 102 | There is no option to print out all the fields of a PKCS#7 file.
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| 103 |
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| 104 | This PKCS#7 routines only understand PKCS#7 v 1.5 as specified in RFC2315 they
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| 105 | cannot currently parse, for example, the new CMS as described in RFC2630.
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| 106 |
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| 107 | =head1 SEE ALSO
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| 108 |
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| 109 | L<crl2pkcs7(1)>
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| 110 |
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| 111 | =head1 COPYRIGHT
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| 112 |
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| 113 | Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
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| 114 |
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| 115 | Licensed under the OpenSSL license (the "License"). You may not use
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| 116 | this file except in compliance with the License. You can obtain a copy
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| 117 | in the file LICENSE in the source distribution or at
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| 118 | L<https://www.openssl.org/source/license.html>.
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| 119 |
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| 120 | =cut
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