File README.SUSE of Package libica-2_3_0

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File README.SUSE of Package libica-2_3_0

The following information was provided to us courtesy of the IBM
testing team, who tested the functionality of apache with mod_ssl
on SUSE LINUX Enterprise Server 9 for S/390 and zSeries.

It thus refers to testing only from a certain point, and the
z90crypt part if of course specific to S/390 and zSeries.

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Installation and Configuration of S/390 HW Crypto
on SUSE Linux Enterprise Server 9 for S/390 and zSeries:

1) Installation of the driver packages openCryptoki and libica

The driver packages are installed during base install in the
   default selection.  If you installed only minimal system or
   deinstalled the packages, install them now. If the installation
   source is accessible, you can do it with a single command:

31bit:
	yast sw_single openCryptoki openCryptoki-32bit

64bit:            
        yast sw_single openCryptoki openCryptoki-32bit openCryptoki-64bit
      
   This will automatically install the necessary libica packages as
   well if they are not installed yet.

2) Loading the z90crypt driver:

rcz90crypt start        to load z90crypt

rcz90crypt stop         to unload z90crypt

this command will be available only after installation of the
   crypto driver packages.

To load the driver automatically at every system boot, integrate it
   with the other boot scripts issuing

insserv z90crypt

3) Checking if the z90crypt hardware driver can be accessed

Run this command:

openssl speed rsa1024 -engine ibmca -elapsed

If you get 'can't use that engine', as the first line
         of output of the command look for the successive line
         and check:
	 - if running "rcz90crypt restart" gives no error message
         - the output of command "dmesg" for error messages from the driver
         - the hardware is indeed available to this instance

4) Installation and Setup of mod_ssl and apache

a) ensure that mod_ssl and apache are installed during base
	 install.  If the installation source is accessible,
	 the command

yast sw_single mod_ssl

will install apache and mod_ssl if they are not installed yet.

b) to activate the apache ssl support do the following:

if you did not use yast to install the packages, you have
            to run manually:  SuSEconfig --module apache

edit /etc/sysconfig/apache:
		 change HTTPD_START_TIMEOUT=2 to 20

change HTTPD_SEC_MOD_SSL=no   to yes

edit httpd.conf in /etc/httpd:

in section 2: check that the ServerName and ServerMail in
	    the ServerAdmin section is ok.

in section 3: set inside <VirtualHost_default_: 443> the
	    ServerName to host name

add on section <IfModule mod_ssl.c>: SSLCryptoDevice ibmca

run:  SuSEconfig --module apache

5) Crypto configuration of apache/mod_ssl:

a) create a certificate (Snake Oil) for the TEST --- THIS
	 CERTIFICATE IS NOT SECURE FOR PRODUCTION USE!  IT IS FOR
	 TESTING PURPOSES ONLY!  GET A PROPER CERTIFICATE FROM A
	 CERTIFICATION AUTHORITY FOR PRODUCTION USE.

go to:      cd /usr/share/doc/packages/mod_ssl

run:  ./certificate.sh

see following questions will come up. Give shown answers
	    and use the pass phrase:

der3gbe:/usr/share/doc/packages/mod_ssl # ./certificate.sh
            SSL Certificate Generation Utility (mkcert.sh)
            Copyright (c) 1998 Ralf S. Engelschall, All Rights Reserved.

Generating test certificate signed by Snake Oil CA [TEST]
            WARNING: Do not use this for real-life/production systems

STEP 0: Decide the signature algorithm used for certificate
            The generated X.509 CA certificate can contain either
            RSA or DSA based ingredients. Select the one you want to use.
            Signature Algorithm ((R)SA or (D)SA) [R]:R

STEP 1: Generating RSA private key (1024 bit) [server.key]
            123006 semi-random bytes loaded
            Generating RSA private key, 1024 bit long modulus
            ..++++++
            .................++++++
            e is 65537 (0x10001)

STEP 2: Generating X.509 certificate signing request
            [server.csr]
            Using configuration from .mkcert.cfg
            You are about to be asked to enter information that will be
            incorporated
            into your certificate request.
            What you are about to enter is what is called a Distinguished
            Name or a DN.
            There are quite a few fields but you can leave some blank
            For some fields there will be a default value,
            If you enter '.', the field will be left blank.
            -----
            1. Country Name             (2 letter code) [XY]:DE
            2. State or Province Name   (full name)     [Snake Desert]:
            <enter>
            3. Locality Name            (eg, city)      [Snake Town]:
            <enter>
            4. Organization Name        (eg, company)   [Snake Oil, Ltd]:
            <enter>
            5. Organizational Unit Name (eg, section)   [Webserver Team]:
            <enter>
            6. Common Name              (eg, FQDN)      [www.snakeoil.dom]:
            <enter>
            7. Email Address            (eg, name@FQDN) [www@snakeoil.dom]:
            <enter>

STEP 3: Generating X.509 certificate signed by Snake Oil CA
            [server.crt]
            Certificate Version (1 or 3) [3]:3
            Signature ok
            subject=/C=DE/ST=Snake Desert/L=Snake Town/O=Snake Oil,
            Ltd/OU=Webserver
            Team/CN=www.snakeoil.dom/Email=www@snakeoil.dom
            Getting CA Private Key
            Verify: matching certificate & key modulus
            read RSA key
            Verify: matching certificate signature
            /etc/httpd/ssl.crt/server.crt: /C=XY/ST=Snake Desert/L=Snake
            Town/O=Snake Oil, Ltd/OU=Certificate Authority/CN=Snake Oil
            CA/Email=ca@snakeoil.dom
            error 10 at 1 depth lookup:certificate has expired
            OK

STEP 4: Enrypting RSA private key with a pass phrase for
            security [server.key]
            The contents of the server.key file (the generated private key)
            has to be
            kept secret. So we strongly recommend you to encrypt the
            server.key file
            with a Triple-DES cipher and a Pass Phrase.
            Encrypt the private key now? [Y/n]: Y
            read RSA key
            writing RSA key
            Enter PEM pass phrase:                          <=== crypto
            Verifying password - Enter PEM pass phrase:     <=== crypto
            Fine, you're using an encrypted RSA private key.

RESULT: Server Certification Files

o  conf/ssl.key/server.key

The PEM-encoded RSA private key file which you
               configure with the 'SSLCertificateKeyFile' directive
               (automatically done when you install via APACI). KEEP
               THIS FILE PRIVATE!

o  conf/ssl.crt/server.crt

The PEM-encoded X.509 certificate file which you configure
               with the 'SSLCertificateFile' directive (automatically done
               when you install via APACI).

o  conf/ssl.csr/server.csr

The PEM-encoded X.509 certificate signing request file
               which you can send to an official Certificate Authority
               (CA) in order to request a real server certificate
               (signed by this CA instead of our demonstration-only
               Snake Oil CA) which later can replace the
               conf/ssl.crt/server.crt file.

WARNING: Do not use this for real-life/production systems

der3gbe:/usr/share/doc/packages/mod_ssl #

6) Start Apache with SSL

a) start with pass phrase (Changes done to apache modul
       described in item c)).

run:  rcapache start

dev3fe01:~ # rcapache start

Starting httpd [ PERL PHP4 Python SSL ]Apache/1.3.26
	mod_ssl/2.8.10 (Pass Phrase Dialog)
	Some of your private key files are encrypted for security
	reasons.
	In order to read them you have to provide us with the pass
	phrases.

Server dev3fe01.boeblingen.de.ibm.com:443 (RSA)
	Enter pass phrase:   crypto

Ok: Pass Phrase Dialog successful.
	done

b) start without pass phrase when using apache without
       ssl-support

remark: You need to change the apache modul (see
	  item c)). Set the HTTPD_SEC_MOD_SSL=no.

run:  rcapache start

7) Check that ibmca is used and apache is working with http and https:

a) On a browser enter http://<server-host>  or
       https://<server-host>
    b) with netstat or netstat -a on the apache server machine you
       can see if https is used.
    c) in the log /var/log/httpd/ssl_engine_log you can see if the
       ibmca engine is started or not.
    d) during siege test you can see with cat /proc/driver/z90crypt
       if and what crypto HW is used
    e) you can check a http connection with telnet <server-host>
       http. Then enter
	 get / http/1.0
       and you should get back some stuff after pressing enter
       twice.

f) You can check if openssl works with the ibmca engine

a) Therefore you must create certificates:
                  cd /usr/share/ssl/misc
                  run:  ./CA.sh -newcert

dev3fe01:/usr/share/ssl/misc # ./CA.sh -newcert
               Using configuration from /etc/ssl/openssl.cnf
               Generating a 1024 bit RSA private key
               ......................++++++
               .++++++
               writing new private key to 'newreq.pem'
               Enter PEM pass phrase:                       <== geheim
               Verifying password - Enter PEM pass phrase:  <== geheim
               Verify failure
               Enter PEM pass phrase:
               Verifying password - Enter PEM pass phrase:
               phrase is too short, needs to be at least 4 chars
               Enter PEM pass phrase:
               Verifying password - Enter PEM pass phrase:
               -----
               You are about to be asked to enter information that will be
               incorporated
               into your certificate request.
               What you are about to enter is what is called a
               Distinguished Name or a DN.
               There are quite a few fields but you can leave some blank
               For some fields there will be a default value,
               If you enter '.', the field will be left blank.
               -----
               Country Name (2 letter code) [AU]:
               <== press enter
               State or Province Name (full name) [Some-State]:
               <== press enter
               Locality Name (eg, city) []:
               <== press enter
               Organization Name (eg, company) [Internet Widgits Pty Ltd]:
               <== press enter
               Organizational Unit Name (eg, section) []:
               <== press enter
               Common Name (eg, YOUR name) []:              <== press enter
               Email Address []:                                  <== press
               enter
               Certificate (and private key) is in newreq.pem

run:  ./CA.sh -newca

dev3fe02:/usr/share/ssl/misc # ./CA.sh -newca
               CA certificate filename (or enter to create)
               newreq.pem
               dev3fe02:

b) Use openssl as a Web-browser and use https connection:
                  openssl s_client \
		    -connect <ip-addr of webserver>:443 -state -debug

The machine were you start the client is working as
		  your 'browser' connecting to the webserver. You can
		  start commands from the client like get / http/1.0 .

c) Use openssl as a Web-server and use https connection:
		 openssl s_server \
		   -accept 443 -www -engine ibmca -cert newreq.pem

The machine is working like a small webserver with full
	       openssl functionality.  You can start your browser to
	       this machine and a lot of info will be sent.

dev3fe01:/usr/share/ssl/misc # openssl s_server -accept 443
               -www -cert newreq.pem -engine ibmca
                    engine "ibmca" set.
                    Using default temp DH parameters
                    Enter PEM pass phrase:      <== geheim
                    ACCEPT

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