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/xlv3/openssl/0.9.7e-sgipl1/work/0.9.7e-sgipl1/openssl-
0.9.7e/doc/apps
Page 1 (printed 10/20/05)
CRL2PKCS7(1) 9/Jul/2002 (0.9.7e) CRL2PKCS7(1)
NAME
crl2pkcs7 - Create a PKCS#7 structure from a CRL and
certificates.
SYNOPSIS
openssl crl2pkcs7 [-inform PEM|DER] [-outform PEM|DER] [-in
filename] [-out filename] [-certfile filename] [-nocrl]
DESCRIPTION
The crl2pkcs7 command takes an optional CRL and one or more
certificates and converts them into a PKCS#7 degenerate
"certificates only" structure.
COMMAND OPTIONS
-inform DER|PEM
This specifies the CRL 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 PKCS#7 structure output format. DER
format is DER encoded PKCS#7 structure.PEM (the default)
is a base64 encoded version of the DER form with header
and footer lines.
-in filename
This specifies the input filename to read a CRL from or
standard input if this option is not specified.
-out filename
specifies the output filename to write the PKCS#7
structure to or standard output by default.
-certfile filename
specifies a filename containing one or more certificates
in PEM format. All certificates in the file will be
added to the PKCS#7 structure. This option can be used
more than once to read certificates form multiple files.
-nocrl
normally a CRL is included in the output file. With this
option no CRL is included in the output file and a CRL
is not read from the input file.
EXAMPLES
Create a PKCS#7 structure from a certificate and CRL:
openssl crl2pkcs7 -in crl.pem -certfile cert.pem -out p7.pem
Creates a PKCS#7 structure in DER format with no CRL from
several different certificates:
Page 1 (printed 10/20/05)
CRL2PKCS7(1) 9/Jul/2002 (0.9.7e) CRL2PKCS7(1)
openssl crl2pkcs7 -nocrl -certfile newcert.pem
-certfile demoCA/cacert.pem -outform DER -out p7.der
NOTES
The output file is a PKCS#7 signed data structure containing
no signers and just certificates and an optional CRL.
This utility can be used to send certificates and CAs to
Netscape as part of the certificate enrollment process. This
involves sending the DER encoded output as MIME type
application/x-x509-user-cert.
The PEM encoded form with the header and footer lines
removed can be used to install user certificates and CAs in
MSIE using the Xenroll control.
SEE ALSO
pkcs7(1)
Page 2 (printed 10/20/05)
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