Cryptographic device drivers

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1 total messages Started by Prof. Dr. Klaus Pommerening Mon, 03 Aug 1992 10:38

#122

Author: Prof. Dr. Klaus Pommerening
Date: Mon, 03 Aug 1992 10:38

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In the Int*l/M*-DOS world there are a lot of security systems that encrypt data  
before writing to the disk (resp. to a certain partition of the disk). This  
process is transparent to the application software, except that the user is  
asked for his password (= cryptographic key) -- and perhaps a slight loss in  
access velocity. Let's call such a system a 'cryptographic device driver'. It  
can exist in software or in hardware.

What about the UN*X world? Does anybody know about cryptographic device  
drivers? Is it possible to write one and how to do it (i.e. how to hook an  
encryption algorithm into a standard device driver)? 

--
Prof. Dr. Klaus Pommerening                                                     
Institut fuer Medizinische Statistik und Dokumentation                          
der Johannes-Gutenberg-Universitaet                                             
Obere Zahlbacher Strasse 69, W-6500 Mainz

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