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CRL(1) OpenSSL CRL(1)
crl - CRL utility
openssl crl [-inform PEM|DER] [-outform PEM|DER] [-text] [-in filename] [-out filename]
[-nameopt option] [-noout] [-hash] [-issuer] [-lastupdate] [-nextupdate] [-CAfile file]
The crl command processes CRL files in DER or PEM format.
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.
This specifies the output format, the options have the same meaning as the -inform
This specifies the input filename to read from or standard input if this option is not
specifies the output filename to write to or standard output by default.
print out the CRL in text form.
option which determines how the subject or issuer names are displayed. See the
description of -nameopt in openssl_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
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.
verify the signature on a CRL by looking up the issuing certificate in file
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.
openssl_crl2pkcs7(1), openssl_ca(1), openssl_x509(1)
1.0.1i 2014-08-10 CRL(1)
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