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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" openssl\-crl2pkcs7, crl2pkcs7 \- Create a PKCS#7 structure from a CRL and certificates .SH "SYNOPSIS" .IX Header "SYNOPSIS" \&\fBopenssl\fR \fBcrl2pkcs7\fR [\fB\-help\fR] [\fB\-inform PEM|DER\fR] [\fB\-outform PEM|DER\fR] [\fB\-in filename\fR] [\fB\-out filename\fR] [\fB\-certfile filename\fR] [\fB\-nocrl\fR] .SH "DESCRIPTION" .IX Header "DESCRIPTION" The \fBcrl2pkcs7\fR command takes an optional \s-1CRL\s0 and one or more certificates and converts them into a PKCS#7 degenerate \*(L"certificates only\*(R" structure. .SH "OPTIONS" .IX Header "OPTIONS" .IP "\fB\-help\fR" 4 .IX Item "-help" Print out a usage message. .IP "\fB\-inform DER|PEM\fR" 4 .IX Item "-inform DER|PEM" This specifies the \s-1CRL\s0 input format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded \s-1CRL\s0 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of the \s-1DER\s0 form with header and footer lines. The default format is \s-1PEM.\s0 .IP "\fB\-outform DER|PEM\fR" 4 .IX Item "-outform DER|PEM" This specifies the PKCS#7 structure output format. \fB\s-1DER\s0\fR format is \s-1DER\s0 encoded PKCS#7 structure.\fB\s-1PEM\s0\fR (the default) is a base64 encoded version of the \s-1DER\s0 form with header and footer lines. The default format is \s-1PEM.\s0 .IP "\fB\-in filename\fR" 4 .IX Item "-in filename" This specifies the input filename to read a \s-1CRL\s0 from or standard input if this option is not specified. .IP "\fB\-out filename\fR" 4 .IX Item "-out filename" Specifies the output filename to write the PKCS#7 structure to or standard output by default. .IP "\fB\-certfile filename\fR" 4 .IX Item "-certfile filename" Specifies a filename containing one or more certificates in \fB\s-1PEM\s0\fR 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 from multiple files. .IP "\fB\-nocrl\fR" 4 .IX Item "-nocrl" Normally a \s-1CRL\s0 is included in the output file. With this option no \s-1CRL\s0 is included in the output file and a \s-1CRL\s0 is not read from the input file. .SH "EXAMPLES" .IX Header "EXAMPLES" Create a PKCS#7 structure from a certificate and \s-1CRL:\s0 .PP .Vb 1 \& openssl crl2pkcs7 \-in crl.pem \-certfile cert.pem \-out p7.pem .Ve .PP Creates a PKCS#7 structure in \s-1DER\s0 format with no \s-1CRL\s0 from several different certificates: .PP .Vb 2 \& openssl crl2pkcs7 \-nocrl \-certfile newcert.pem \& \-certfile demoCA/cacert.pem \-outform DER \-out p7.der .Ve .SH "NOTES" .IX Header "NOTES" The output file is a PKCS#7 signed data structure containing no signers and just certificates and an optional \s-1CRL.\s0 .PP This utility can be used to send certificates and CAs to Netscape as part of the certificate enrollment process. This involves sending the \s-1DER\s0 encoded output as \s-1MIME\s0 type application/x\-x509\-user\-cert. .PP The \fB\s-1PEM\s0\fR encoded form with the header and footer lines removed can be used to install user certificates and CAs in \s-1MSIE\s0 using the Xenroll control. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBpkcs7\fR\|(1) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2021 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.