crl(1) - phpMan
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)
1.0.1t 2016-05-03 CRL(1SSL)
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