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crl(1ssl)

NAME

crl - CRL utility

SYNOPSIS

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

OPTIONS

-inform DER|PEM Specifies the input format. The DER format is DER encoded CRL structure. The PEM format (the default) is a base64 encoded version of the DER form with header and footer lines. -outform DER|PEM Specifies the output format. The options have the same meaning as the -inform option. -in filename 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 Prints out the CRL in text form. -noout Does not output the encoded version of the CRL. -hash Outputs a hash of the issuer name. This can be used to lookup CRLs in a directory by issuer name. -issuer Outputs the issuer name. -lastupdate Outputs the lastupdate field. -nextupdate Outputs the nextupdate field. -CAfile file Verifies the signature on a CRL by looking up the issuing certificate in file -CApath dir Verifies 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.

DESCRIPTION

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

NOTES

The PEM CRL format uses the header and footer lines: -----BEGIN X509 CRL----- -----END X509 CRL-----

RESTRICTIONS

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

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

SEE ALSO

Commands: crl2pkcs7(1ssl), ca(1), x509(1ssl)

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