(19)
(11) EP 0 809 904 A1

(12)

(43) Date of publication:
03.12.1997 Bulletin 1997/49

(21) Application number: 95936188.0

(22) Date of filing: 30.05.1995
(51) International Patent Classification (IPC): 
H04L 9/ 08( . )
(86) International application number:
PCT/US1995/006802
(87) International publication number:
WO 1996/038948 (05.12.1996 Gazette 1997/01)
(84) Designated Contracting States:
DE GB

(71) Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
Armonk, NY 10504 (US)

(72) Inventors:
  • HOLLOWAY, Christopher, James
    Surrey GU12 3HA (GB)
  • MATYAS, Stephen, Michael
    Poughkeepsie, NY 12601 (US)

(74) Representative: Ling, Christopher John 
IBM United Kingdom Limited, intellectual Property Department, Hursley Park
Winchester, Hampshire SO21 2JN
Winchester, Hampshire SO21 2JN (GB)

   


(54) APPARATUS FOR KEY MANAGEMENT IN A SECURE CRYPTOGRAPHIC FACILITY