crl(1ssl) - phpMan

CRL(1SSL)                                    OpenSSL                                    CRL(1SSL)

NAME
       openssl-crl, crl - CRL utility

SYNOPSIS
       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]

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

OPTIONS
       -help
           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 and default 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 default.

       -text
           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).

       -noout
           Don't output the encoded version of the CRL.

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

       -hash_old
           Outputs the "hash" of the CRL issuer name using the older algorithm as used by OpenSSL
           before version 1.0.0.

       -issuer
           Output the issuer name.

       -lastupdate
           Output the lastUpdate field.

       -nextupdate
           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.

NOTES
       The PEM CRL format uses the header and footer lines:

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

EXAMPLES
       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 -inform DER -text -noout

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

SEE ALSO
       crl2pkcs7(1), ca(1), x509(1)

COPYRIGHT
       Copyright 2000-2018 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 <https://www.openssl.org/source/license.html>.

1.1.1f                                      2024-02-16                                  CRL(1SSL)

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