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129 lines
2.4 KiB
129 lines
2.4 KiB
4 years ago
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=pod
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=head1 NAME
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crl - CRL utility
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=head1 SYNOPSIS
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B<openssl> B<crl>
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[B<-inform PEM|DER>]
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[B<-outform PEM|DER>]
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[B<-text>]
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[B<-in filename>]
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[B<-out filename>]
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[B<-nameopt option>]
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[B<-noout>]
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[B<-hash>]
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[B<-issuer>]
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[B<-lastupdate>]
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[B<-nextupdate>]
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[B<-CAfile file>]
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[B<-CApath dir>]
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=head1 DESCRIPTION
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The B<crl> command processes CRL files in DER or PEM format.
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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 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 output format, the options have the same meaning as the
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B<-inform> option.
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=item B<-in filename>
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This specifies the input filename to read 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 to or standard output by
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default.
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=item B<-text>
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print out the CRL in text form.
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=item B<-nameopt option>
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option which determines how the subject or issuer names are displayed. See
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the description of B<-nameopt> in L<x509(1)|x509(1)>.
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=item B<-noout>
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don't output the encoded version of the CRL.
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=item B<-hash>
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output a hash of the issuer name. This can be use to lookup CRLs in
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a directory by issuer name.
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=item B<-hash_old>
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outputs the "hash" of the CRL issuer name using the older algorithm
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as used by OpenSSL versions before 1.0.0.
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=item B<-issuer>
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output the issuer name.
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=item B<-lastupdate>
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output the lastUpdate field.
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=item B<-nextupdate>
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output the nextUpdate field.
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=item B<-CAfile file>
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verify the signature on a CRL by looking up the issuing certificate in
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B<file>
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=item B<-CApath dir>
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verify the signature on a CRL by looking up the issuing certificate in
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B<dir>. This directory must be a standard certificate directory: that
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is a hash of each subject name (using B<x509 -hash>) should be linked
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to each certificate.
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=back
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=head1 NOTES
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The PEM CRL format uses the header and footer lines:
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-----BEGIN X509 CRL-----
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-----END X509 CRL-----
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=head1 EXAMPLES
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Convert a CRL file from PEM to DER:
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openssl crl -in crl.pem -outform DER -out crl.der
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Output the text form of a DER encoded certificate:
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openssl crl -in crl.der -text -noout
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=head1 BUGS
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Ideally it should be possible to create a CRL using appropriate options
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and files too.
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=head1 SEE ALSO
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L<crl2pkcs7(1)|crl2pkcs7(1)>, L<ca(1)|ca(1)>, L<x509(1)|x509(1)>
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=cut
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