CRL(1SSL)                           OpenSSL                          CRL(1SSL)

       crl - CRL utility

       openssl crl [-help] [-inform PEM|DER] [-outform PEM|DER] [-text] [-in
       filename] [-out filename] [-nameopt option] [-noout] [-hash] [-issuer]
       [-lastupdate] [-nextupdate] [-CAfile file] [-CApath dir]

       The crl command processes CRL files in DER or PEM format.

           Print out a usage message.

       -inform DER|PEM
           This specifies the input format. DER format is DER encoded CRL
           structure. PEM (the default) is a base64 encoded version of the DER
           form with header and footer lines.

       -outform DER|PEM
           This specifies the output format, the options have the same meaning
           as the -inform option.

       -in filename
           This specifies the input filename to read from or standard input if
           this option is not specified.

       -out filename
           specifies the output filename to write to or standard output by

           print out the CRL in text form.

       -nameopt option
           option which determines how the subject or issuer names are
           displayed. See the description of -nameopt in x509(1).

           don't output the encoded version of the CRL.

           output a hash of the issuer name. This can be use to lookup CRLs in
           a directory by issuer name.

           outputs the "hash" of the CRL issuer name using the older algorithm
           as used by OpenSSL versions before 1.0.0.

           output the issuer name.

           output the lastUpdate field.

           output the nextUpdate field.

       -CAfile file
           verify the signature on a CRL by looking up the issuing certificate
           in file

       -CApath dir
           verify the signature on a CRL by looking up the issuing certificate
           in dir. This directory must be a standard certificate directory:
           that is a hash of each subject name (using x509 -hash) should be
           linked to each certificate.

       The PEM CRL format uses the header and footer lines:

        -----BEGIN X509 CRL-----
        -----END X509 CRL-----

       Convert a CRL file from PEM to DER:

        openssl crl -in crl.pem -outform DER -out crl.der

       Output the text form of a DER encoded certificate:

        openssl crl -in crl.der -text -noout

       Ideally it should be possible to create a CRL using appropriate options
       and files too.

       crl2pkcs7(1), ca(1), x509(1)

       Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the OpenSSL license (the "License").  You may not use
       this file except in compliance with the License.  You can obtain a copy
       in the file LICENSE in the source distribution or at

1.1.0f                            2017-08-08                         CRL(1SSL)

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