1999-11-12 01:04:39 +00:00
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=pod
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=head1 NAME
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crl2pkcs7 - Create a PKCS#7 structure from a CRL and certificates.
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=head1 SYNOPSIS
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B<openssl> B<pkcs7>
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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<-print_certs>]
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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 COMMAND OPTIONS
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=over 4
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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.
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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.
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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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2000-01-27 01:25:31 +00:00
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L<pkcs7(1)|pkcs7(1)>
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1999-11-12 01:04:39 +00:00
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=cut
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