Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1996-09-09
1998-12-15
Cain, David
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 30, 380 49, H04K 900, H04K 100
Patent
active
058504443
ABSTRACT:
A generic communications network provides an encrypted communications interface between service networks and their subscribers. When communications are initiated between a subscribing communications terminal and the generic network, the terminal compares a stored network identifier associated with a stored public key, with a unique identifier broadcast by the generic network. If a match is found, the terminal generates a random secret key, encrypts the secret key with the stored public key, and transmits the encrypted secret key. The generic communications network decrypts the secret key using a private key associated with the public key. The secret key is used thereafter by the terminal and the generic network to encrypt and decrypt the ensuing radio traffic. Consequently, the network can maintain secure communications with the terminal without ever knowing the terminal's identity.
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Distributed Communication Services in the Masix System by Franck Mevel, Laboratoire MASI, Universite Paris VI 4 place Jussieu, 75252 Paris Cedex 05, France.
Julien Simon Laboratoire Sysmic, Institut Superieur d'Electronique de Paris 21 rue d'Assas, 75006 Paris, France Published Mar. 27, 1996 XP000594787 IEEE.
The First Ten Years of Public-Key Cryptography, Whitfield Diffie Proceedings of the IEEE, vol. 76, No. 5, May 1988.
Cain David
Telefonaktienbolaget L/M Ericsson (publ)
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