patch-2.3.4 linux/Documentation/isdn/HiSax.cert

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diff -u --recursive --new-file v2.3.3/linux/Documentation/isdn/HiSax.cert linux/Documentation/isdn/HiSax.cert
@@ -0,0 +1,76 @@
+-----BEGIN PGP SIGNED MESSAGE-----
+
+First:
+
+    HiSax is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+However, if you wish to modify the HiSax sources, please note the following:
+
+HiSax has passed the ITU approval test suite with ELSA Quickstep ISDN cards.
+The certification is only valid for the combination of the tested software
+version and the tested hardware. Any changes to the HiSax source code may
+therefore affect the certification.
+
+If you change the main files of the HiSax ISDN stack, the certification will
+become invalid. Because in most countries it is illegal to connect
+unapproved ISDN equipment to the public network, I have to guarantee that
+changes in HiSax do not affect the certification.
+
+In order to make a valid certification apparent to the user, I have built in
+some validation checks that are made during the make process. The HiSax main
+files are protected by md5 checksums and the md5sum file is pgp signed by
+myself:
+
+KeyID 1024/FF992F6D 1997/01/16 Karsten Keil <keil@temic-ech.spacenet.de>
+Key fingerprint = 92 6B F7 58 EE 86 28 C8  C4 1A E6 DC 39 89 F2 AA
+
+Only if the checksums are OK, and the signature of the file
+"drivers/isdn/hisax/md5sums.asc" match, is the certification valid; a
+message confirming this is then displayed during the hisax init process.
+
+The affected files are:
+
+drivers/isdn/hisax/isac.c
+drivers/isdn/hisax/isdnl1.c
+drivers/isdn/hisax/isdnl2.c
+drivers/isdn/hisax/isdnl3.c
+drivers/isdn/hisax/tei.c
+drivers/isdn/hisax/callc.c
+drivers/isdn/hisax/l3dss1.c
+drivers/isdn/hisax/l3_1tr6.c
+drivers/isdn/hisax/cert.c
+drivers/isdn/hisax/elsa.c
+
+Please send any changes, bugfixes and patches to me rather than implementing
+them directly into the HiSax sources.
+
+This does not reduce your rights granted by the GNU General Public License.
+If you wish to change the sources, go ahead; but note that then the
+certification is invalid even if you use ELSA Quickstep cards.
+
+Here are the certification registration numbers for ELSA Quickstep cards:
+German   D133361J CETECOM ICT Services GmbH 0682
+European D133362J CETECOM ICT Services GmbH 0682
+
+
+Karsten Keil
+keil@isdn4linux.de
+
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+=nGJk
+-----END PGP SIGNATURE-----

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