298 lines
9.9 KiB
Groff
298 lines
9.9 KiB
Groff
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.rm #[ #] #H #V #F C
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.\" ========================================================================
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.\"
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.IX Title "CA.PL 1"
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.TH CA.PL 1 "2014-08-06" "1.0.1i" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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CA.pl \- friendlier interface for OpenSSL certificate programs
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fB\s-1CA\s0.pl\fR
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[\fB\-?\fR]
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[\fB\-h\fR]
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[\fB\-help\fR]
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[\fB\-newcert\fR]
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[\fB\-newreq\fR]
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[\fB\-newreq\-nodes\fR]
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[\fB\-newca\fR]
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[\fB\-xsign\fR]
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[\fB\-sign\fR]
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[\fB\-signreq\fR]
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[\fB\-signcert\fR]
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[\fB\-verify\fR]
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[\fBfiles\fR]
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The \fB\s-1CA\s0.pl\fR script is a perl script that supplies the relevant command line
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arguments to the \fBopenssl\fR 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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.SH "COMMAND OPTIONS"
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.IX Header "COMMAND OPTIONS"
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.IP "\fB?\fR, \fB\-h\fR, \fB\-help\fR" 4
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.IX Item "?, -h, -help"
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prints a usage message.
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.IP "\fB\-newcert\fR" 4
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.IX Item "-newcert"
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creates a new self signed certificate. The private key is written to the file
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\&\*(L"newkey.pem\*(R" and the request written to the file \*(L"newreq.pem\*(R".
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.IP "\fB\-newreq\fR" 4
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.IX Item "-newreq"
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creates a new certificate request. The private key is written to the file
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\&\*(L"newkey.pem\*(R" and the request written to the file \*(L"newreq.pem\*(R".
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.IP "\fB\-newreq\-nodes\fR" 4
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.IX Item "-newreq-nodes"
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is like \fB\-newreq\fR except that the private key will not be encrypted.
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.IP "\fB\-newca\fR" 4
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.IX Item "-newca"
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creates a new \s-1CA\s0 hierarchy for use with the \fBca\fR program (or the \fB\-signcert\fR
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and \fB\-xsign\fR options). The user is prompted to enter the filename of the \s-1CA\s0
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certificates (which should also contain the private key) or by hitting \s-1ENTER\s0
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details of the \s-1CA\s0 will be prompted for. The relevant files and directories
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are created in a directory called \*(L"demoCA\*(R" in the current directory.
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.IP "\fB\-pkcs12\fR" 4
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.IX Item "-pkcs12"
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create a PKCS#12 file containing the user certificate, private key and \s-1CA\s0
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certificate. It expects the user certificate and private key to be in the
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file \*(L"newcert.pem\*(R" and the \s-1CA\s0 certificate to be in the file demoCA/cacert.pem,
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it creates a file \*(L"newcert.p12\*(R". This command can thus be called after the
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\&\fB\-sign\fR 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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\&\*(L"friendly name\*(R" for the certificate (which is typically displayed in the browser
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list box), otherwise the name \*(L"My Certificate\*(R" is used.
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.IP "\fB\-sign\fR, \fB\-signreq\fR, \fB\-xsign\fR" 4
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.IX Item "-sign, -signreq, -xsign"
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calls the \fBca\fR program to sign a certificate request. It expects the request
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to be in the file \*(L"newreq.pem\*(R". The new certificate is written to the file
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\&\*(L"newcert.pem\*(R" except in the case of the \fB\-xsign\fR option when it is written
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to standard output.
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.IP "\fB\-signCA\fR" 4
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.IX Item "-signCA"
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this option is the same as the \fB\-signreq\fR option except it uses the configuration
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file section \fBv3_ca\fR and so makes the signed request a valid \s-1CA\s0 certificate. This
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is useful when creating intermediate \s-1CA\s0 from a root \s-1CA\s0.
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.IP "\fB\-signcert\fR" 4
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.IX Item "-signcert"
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this option is the same as \fB\-sign\fR except it expects a self signed certificate
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to be present in the file \*(L"newreq.pem\*(R".
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.IP "\fB\-verify\fR" 4
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.IX Item "-verify"
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verifies certificates against the \s-1CA\s0 certificate for \*(L"demoCA\*(R". If no certificates
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are specified on the command line it tries to verify the file \*(L"newcert.pem\*(R".
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.IP "\fBfiles\fR" 4
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.IX Item "files"
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one or more optional certificate file names for use with the \fB\-verify\fR command.
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.SH "EXAMPLES"
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.IX Header "EXAMPLES"
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Create a \s-1CA\s0 hierarchy:
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.PP
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.Vb 1
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\& CA.pl \-newca
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.Ve
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.PP
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Complete certificate creation example: create a \s-1CA\s0, create a request, sign
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the request and finally create a PKCS#12 file containing it.
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.PP
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.Vb 4
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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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.Ve
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.SH "DSA CERTIFICATES"
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.IX Header "DSA CERTIFICATES"
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Although the \fB\s-1CA\s0.pl\fR creates \s-1RSA\s0 CAs and requests it is still possible to
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use it with \s-1DSA\s0 certificates and requests using the \fIreq\fR\|(1) command
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directly. The following example shows the steps that would typically be taken.
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.PP
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Create some \s-1DSA\s0 parameters:
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.PP
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.Vb 1
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\& openssl dsaparam \-out dsap.pem 1024
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.Ve
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.PP
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Create a \s-1DSA\s0 \s-1CA\s0 certificate and private key:
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.PP
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.Vb 1
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\& openssl req \-x509 \-newkey dsa:dsap.pem \-keyout cacert.pem \-out cacert.pem
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.Ve
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.PP
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Create the \s-1CA\s0 directories and files:
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.PP
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.Vb 1
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\& CA.pl \-newca
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.Ve
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.PP
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enter cacert.pem when prompted for the \s-1CA\s0 file name.
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.PP
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Create a \s-1DSA\s0 certificate request and private key (a different set of parameters
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can optionally be created first):
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.PP
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.Vb 1
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\& openssl req \-out newreq.pem \-newkey dsa:dsap.pem
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.Ve
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.PP
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Sign the request:
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.PP
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.Vb 1
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\& CA.pl \-signreq
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.Ve
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.SH "NOTES"
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.IX Header "NOTES"
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Most of the filenames mentioned can be modified by editing the \fB\s-1CA\s0.pl\fR script.
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.PP
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If the demoCA directory already exists then the \fB\-newca\fR 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 \fB\-newca\fR option terminated abnormally. To get the correct behaviour
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delete the demoCA directory if it already exists.
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.PP
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Under some environments it may not be possible to run the \fB\s-1CA\s0.pl\fR 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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.PP
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.Vb 1
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\& perl \-S CA.pl
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.Ve
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.PP
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can be used and the \fB\s-1OPENSSL_CONF\s0\fR environment variable changed to point to
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the correct path of the configuration file \*(L"openssl.cnf\*(R".
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.PP
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The script is intended as a simple front end for the \fBopenssl\fR 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 \fBopenssl\fR command directly.
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.SH "ENVIRONMENT VARIABLES"
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.IX Header "ENVIRONMENT VARIABLES"
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The variable \fB\s-1OPENSSL_CONF\s0\fR if defined allows an alternative configuration
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file location to be specified, it should contain the full path to the
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configuration file, not just its directory.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIx509\fR\|(1), \fIca\fR\|(1), \fIreq\fR\|(1), \fIpkcs12\fR\|(1),
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\&\fIconfig\fR\|(5)
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