449040b49a
[skip ci] Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/7828)
214 lines
6.8 KiB
Text
214 lines
6.8 KiB
Text
=pod
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=head1 NAME
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CA.pl - friendlier interface for OpenSSL certificate programs
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=head1 SYNOPSIS
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B<CA.pl>
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B<-?> |
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B<-h> |
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B<-help>
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B<CA.pl>
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B<-newcert> |
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B<-newreq> |
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B<-newreq-nodes> |
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B<-xsign> |
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B<-sign> |
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B<-signCA> |
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B<-signcert> |
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B<-crl> |
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B<-newca>
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[B<-extra-cmd> extra-params]
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B<CA.pl> B<-pkcs12> [B<-extra-pkcs12> extra-params] [B<certname>]
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B<CA.pl> B<-verify> [B<-extra-verify> extra-params] B<certfile>...
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B<CA.pl> B<-revoke> [B<-extra-ca> extra-params] B<certfile> [B<reason>]
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=head1 DESCRIPTION
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The B<CA.pl> script is a perl script that supplies the relevant command line
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arguments to the B<openssl> command for some common certificate operations.
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It is intended to simplify the process of certificate creation and management
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by the use of some simple options.
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=head1 OPTIONS
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=over 4
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=item B<?>, B<-h>, B<-help>
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Prints a usage message.
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=item B<-newcert>
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Creates a new self signed certificate. The private key is written to the file
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"newkey.pem" and the request written to the file "newreq.pem".
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This argument invokes B<openssl req> command.
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=item B<-newreq>
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Creates a new certificate request. The private key is written to the file
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"newkey.pem" and the request written to the file "newreq.pem".
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Executes B<openssl req> command below the hood.
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=item B<-newreq-nodes>
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Is like B<-newreq> except that the private key will not be encrypted.
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Uses B<openssl req> command.
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=item B<-newca>
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Creates a new CA hierarchy for use with the B<ca> program (or the B<-signcert>
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and B<-xsign> options). The user is prompted to enter the filename of the CA
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certificates (which should also contain the private key) or by hitting ENTER
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details of the CA will be prompted for. The relevant files and directories
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are created in a directory called "demoCA" in the current directory.
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B<openssl req> and B<openssl ca> commands are get invoked.
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=item B<-pkcs12>
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Create a PKCS#12 file containing the user certificate, private key and CA
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certificate. It expects the user certificate and private key to be in the
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file "newcert.pem" and the CA certificate to be in the file demoCA/cacert.pem,
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it creates a file "newcert.p12". This command can thus be called after the
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B<-sign> option. The PKCS#12 file can be imported directly into a browser.
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If there is an additional argument on the command line it will be used as the
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"friendly name" for the certificate (which is typically displayed in the browser
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list box), otherwise the name "My Certificate" is used.
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Delegates work to B<openssl pkcs12> command.
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=item B<-sign>, B<-signcert>, B<-xsign>
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Calls the B<ca> program to sign a certificate request. It expects the request
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to be in the file "newreq.pem". The new certificate is written to the file
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"newcert.pem" except in the case of the B<-xsign> option when it is written
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to standard output. Leverages B<openssl ca> command.
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=item B<-signCA>
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This option is the same as the B<-signreq> option except it uses the
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configuration file section B<v3_ca> and so makes the signed request a
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valid CA certificate. This is useful when creating intermediate CA from
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a root CA. Extra params are passed on to B<openssl ca> command.
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=item B<-signcert>
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This option is the same as B<-sign> except it expects a self signed certificate
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to be present in the file "newreq.pem".
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Extra params are passed on to B<openssl x509> and B<openssl ca> commands.
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=item B<-crl>
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Generate a CRL. Executes B<openssl ca> command.
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=item B<-revoke certfile [reason]>
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Revoke the certificate contained in the specified B<certfile>. An optional
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reason may be specified, and must be one of: B<unspecified>,
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B<keyCompromise>, B<CACompromise>, B<affiliationChanged>, B<superseded>,
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B<cessationOfOperation>, B<certificateHold>, or B<removeFromCRL>.
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Leverages B<openssl ca> command.
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=item B<-verify>
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Verifies certificates against the CA certificate for "demoCA". If no
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certificates are specified on the command line it tries to verify the file
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"newcert.pem". Invokes B<openssl verify> command.
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=item B<-extra-req> | B<-extra-ca> | B<-extra-pkcs12> | B<-extra-x509> | B<-extra-verify> <extra-params>
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The purpose of these parameters is to allow optional parameters to be supplied
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to B<openssl> that this command executes. The B<-extra-cmd> are specific to the
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option being used and the B<openssl> command getting invoked. For example
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when this command invokes B<openssl req> extra parameters can be passed on
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with the B<-extra-req> parameter. The
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B<openssl> commands being invoked per option are documented below.
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Users should consult B<openssl> command documentation for more information.
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=back
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=head1 EXAMPLES
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Create a CA hierarchy:
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CA.pl -newca
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Complete certificate creation example: create a CA, create a request, sign
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the request and finally create a PKCS#12 file containing it.
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CA.pl -newca
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CA.pl -newreq
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CA.pl -signreq
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CA.pl -pkcs12 "My Test Certificate"
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=head1 DSA CERTIFICATES
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Although the B<CA.pl> creates RSA CAs and requests it is still possible to
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use it with DSA certificates and requests using the L<req(1)> command
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directly. The following example shows the steps that would typically be taken.
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Create some DSA parameters:
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openssl dsaparam -out dsap.pem 1024
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Create a DSA CA certificate and private key:
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openssl req -x509 -newkey dsa:dsap.pem -keyout cacert.pem -out cacert.pem
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Create the CA directories and files:
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CA.pl -newca
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enter cacert.pem when prompted for the CA file name.
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Create a DSA certificate request and private key (a different set of parameters
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can optionally be created first):
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openssl req -out newreq.pem -newkey dsa:dsap.pem
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Sign the request:
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CA.pl -signreq
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=head1 NOTES
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Most of the filenames mentioned can be modified by editing the B<CA.pl> script.
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If the demoCA directory already exists then the B<-newca> command will not
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overwrite it and will do nothing. This can happen if a previous call using
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the B<-newca> option terminated abnormally. To get the correct behaviour
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delete the demoCA directory if it already exists.
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Under some environments it may not be possible to run the B<CA.pl> script
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directly (for example Win32) and the default configuration file location may
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be wrong. In this case the command:
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perl -S CA.pl
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can be used and the B<OPENSSL_CONF> environment variable changed to point to
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the correct path of the configuration file.
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The script is intended as a simple front end for the B<openssl> program for use
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by a beginner. Its behaviour isn't always what is wanted. For more control over the
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behaviour of the certificate commands call the B<openssl> command directly.
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=head1 SEE ALSO
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L<x509(1)>, L<ca(1)>, L<req(1)>, L<pkcs12(1)>,
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L<config(5)>
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=head1 COPYRIGHT
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Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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