crl <root
CRL(1SSL)                                    OpenSSL                                    CRL(1SSL)

NAME
       crl - CRL utility

SYNOPSIS
       openssl crl [-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.

COMMAND OPTIONS
       -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 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
           versions before 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 -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)

1.0.2g                                      2016-03-01                                  CRL(1SSL)

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