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+=pod
+
+=begin comment
+{- join("\n", @autowarntext) -}
+
+=end comment
+
+=head1 NAME
+
+openssl-pkcs7 - PKCS#7 command
+
+=head1 SYNOPSIS
+
+B<openssl> B<pkcs7>
+[B<-help>]
+[B<-inform> B<DER>|B<PEM>]
+[B<-outform> B<DER>|B<PEM>]
+[B<-in> I<filename>]
+[B<-out> I<filename>]
+[B<-print>]
+[B<-print_certs>]
+[B<-text>]
+[B<-noout>]
+{- $OpenSSL::safe::opt_engine_synopsis -}{- $OpenSSL::safe::opt_provider_synopsis -}
+
+=head1 DESCRIPTION
+
+This command processes PKCS#7 files.  Note that it only understands PKCS#7
+v 1.5 as specified in IETF RFC 2315.  It cannot currently parse CMS as
+described in IETF RFC 2630.
+
+=head1 OPTIONS
+
+=over 4
+
+=item B<-help>
+
+Print out a usage message.
+
+=item B<-inform> B<DER>|B<PEM>, B<-outform> B<DER>|B<PEM>
+
+The input and formats; the default is B<PEM>.
+See L<openssl-format-options(1)> for details.
+
+The data is a PKCS#7 Version 1.5 structure.
+
+=item B<-in> I<filename>
+
+This specifies the input filename to read from or standard input if this
+option is not specified.
+
+=item B<-out> I<filename>
+
+Specifies the output filename to write to or standard output by
+default.
+
+=item B<-print>
+
+Print out the full PKCS7 object.
+
+=item B<-print_certs>
+
+Prints out any certificates or CRLs contained in the file. They are
+preceded by their subject and issuer names in one line format.
+
+=item B<-text>
+
+Prints out certificate details in full rather than just subject and
+issuer names.
+
+=item B<-noout>
+
+Don't output the encoded version of the PKCS#7 structure (or certificates
+if B<-print_certs> is set).
+
+{- $OpenSSL::safe::opt_engine_item -}
+
+{- $OpenSSL::safe::opt_provider_item -}
+
+=back
+
+=head1 EXAMPLES
+
+Convert a PKCS#7 file from PEM to DER:
+
+ openssl pkcs7 -in file.pem -outform DER -out file.der
+
+Output all certificates in a file:
+
+ openssl pkcs7 -in file.pem -print_certs -out certs.pem
+
+=head1 SEE ALSO
+
+L<openssl(1)>,
+L<openssl-crl2pkcs7(1)>
+
+=head1 HISTORY
+
+The B<-engine> option was deprecated in OpenSSL 3.0.
+
+=head1 COPYRIGHT
+
+Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the Apache License 2.0 (the "License").  You may not use
+this file except in compliance with the License.  You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
+
+=cut