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NAME

     CA.pl - friendlier interface for OpenSSL certificate
     programs



SYNOPSIS
     CA.pl [-?]  [-h] [-help] [-newcert] [-newreq] [-newca]
     [-xsign] [-sign] [-signreq] [-signcert] [-verify] [files]



DESCRIPTION
     The CA.pl script is a perl script that supplies the relevant
     command line arguments to the openssl command for some
     common certificate operations.  It is intended to simplify
     the process of certificate creation and management by the
     use of some simple options.



COMMAND OPTIONS
     ?, -h, -help
         prints a usage message.

     -newcert
         creates a new self signed certificate. The private key
         and certificate are written to the file "newreq.pem".

     -newreq
         creates a new certificate request. The private key and
         request are written to the file "newreq.pem".

     -newca
         creates a new CA hierarchy for use with the ca program
         (or the -signcert and -xsign options). The user is
         prompted to enter the filename of the CA certificates
         (which should also contain the private key) or by
         hitting ENTER details of the CA will be prompted for.
         The relevant files and directories are created in a
         directory called "demoCA" in the current directory.

     -pkcs12
         create a PKCS#12 file containing the user certificate,
         private key and CA certificate. It expects the user
         certificate and private key to be in the file
         "newcert.pem" and the CA certificate to be in the file
         demoCA/cacert.pem, it creates a file "newcert.p12". This
         command can thus be called after the -sign option. The
         PKCS#12 file can be imported directly into a browser.
         If there is an additional argument on the command line
         it will be used as the "friendly name" for the
         certificate (which is typically displayed in the browser
         list box), otherwise the name "My Certificate" is used.

     -sign, -signreq, -xsign
         calls the ca program to sign a certificate request. It
         expects the request to be in the file "newreq.pem". The
         new certificate is written to the file "newcert.pem"
         except in the case of the -xsign option when it is
         written to standard output.

     -signCA
         this option is the same as the -signreq option except it
         uses the configuration file section v3_ca and so makes
         the signed request a valid CA certificate. This is
         useful when creating intermediate CA from a root CA.

     -signcert
         this option is the same as -sign except it expects a
         self signed certificate to be present in the file
         "newreq.pem".

     -verify
         verifies certificates against the CA certificate for
         "demoCA". If no certificates are specified on the
         command line it tries to verify the file "newcert.pem".

     files
         one or more optional certificate file names for use with
         the -verify command.



EXAMPLES
     Create a CA hierarchy:

      CA.pl -newca

     Complete certificate creation example: create a CA, create a
     request, sign the request and finally create a PKCS#12 file
     containing it.

      CA.pl -newca
      CA.pl -newreq
      CA.pl -signreq
      CA.pl -pkcs12 "My Test Certificate"




DSA CERTIFICATES
     Although the CA.pl creates RSA CAs and requests it is still
     possible to use it with DSA certificates and requests using
     the req(1) command directly. The following example shows the
     steps that would typically be taken.

     Create some DSA parameters:

      openssl dsaparam -out dsap.pem 1024

     Create a DSA CA certificate and private key:


      openssl req -x509 -newkey dsa:dsap.pem -keyout cacert.pem -out cacert.pem

     Create the CA directories and files:

      CA.pl -newca

     enter cacert.pem when prompted for the CA file name.

     Create a DSA certificate request and private key (a
     different set of parameters can optionally be created
     first):

      openssl req -out newreq.pem -newkey dsa:dsap.pem

     Sign the request:

      CA.pl -signreq




NOTES
     Most of the filenames mentioned can be modified by editing
     the CA.pl script.

     If the demoCA directory already exists then the -newca
     command will not overwrite it and will do nothing. This can
     happen if a previous call using the -newca option terminated
     abnormally. To get the correct behaviour delete the demoCA
     directory if it already exists.

     Under some environments it may not be possible to run the
     CA.pl script directly (for example Win32) and the default
     configuration file location may be wrong. In this case the
     command:

      perl -S CA.pl

     can be used and the OPENSSL_CONF environment variable
     changed to point to the correct path of the configuration
     file "openssl.cnf".

     The script is intended as a simple front end for the openssl
     program for use by a beginner. Its behaviour isn't always
     what is wanted. For more control over the behaviour of the
     certificate commands call the openssl command directly.



ENVIRONMENT VARIABLES
     The variable OPENSSL_CONF if defined allows an alternative
     configuration file location to be specified, it should
     contain the full path to the configuration file, not just
     its directory.




SEE ALSO
     x509(1), ca(1), req(1), pkcs12(1), config(5)









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Created 1996-2024 by Maxim Chirkov

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