crl2pkcs7 (1)

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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 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

 openssl crl2pkcs7 -in crl.pem -certfile cert.pem -out p7.pem

Creates a PKCS#7 structure in

format with no from several different certificates:

 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

This utility can be used to send certificates and CAs to Netscape as part of the certificate enrollment process. This involves sending the

encoded output as type application/x-x509-user-cert.

The

encoded form with the header and footer lines removed can be used to install user certificates and CAs in using the Xenroll control.

SEE ALSO

pkcs7(1)