International cryptography framework

Details International cryptography framework International cryptography framework

1997-03-21

1998-11-10

Cain, David

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 25, 235380, H04L 900

Patent

active

058355960

ABSTRACT:
A cryptographic framework consists of four basic service elements that include a national flag card, a cryptographic unit, a host system, and a network security server. Three of the four service elements have a fundamentally hierarchical relationship. The National Flag Card (NFC) is installed into the Cryptographic Unit (CU) which, in turn, is installed into a Host System (HS). Cryptographic functions on the Host System cannot be executed without a Cryptographic Unit, which itself requires the presence of a valid National Flag Card before it's services are available. The fourth service element, a Network Security Server (NSS), can provide a range of different security services including verification of the other three service elements. The framework addresses national policies governing cryptography, where such policies can be independently developed and maintained using a such a framework. Furthermore, the common service elements provide the necessary focus for establishing interoperability while reconciling these different National policies.

REFERENCES:
patent: 4817140 (1989-03-01), Chandra et al.
patent: 5109413 (1992-04-01), Comerford et al.
patent: 5651068 (1997-07-01), Klemba et al.

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