Nova Patents
WO03032573A3

Method and apparatus for security in a data processing system

Abstract

Method and apparatus for secure transmissions. Each user is provided a registration key. A long-time updated broadcast key is encrypted using the registration key and provided periodically to a user. A short-time updatedkey is encrypted using the broadcast key. The short-time key is available with each broadcast message,wherein sufficient information to calculate the short-time key is provided in an Internet protocol headerpreceding the broadcast content. Broadcasts are then encrypted using the short-time key, wherein the user decrypts the broadcast message using the short-time key.

Term

No projected expiry on record.

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Every citation, both waysCites: the store holds 0 of 1

Citations
ReferenceRelationCited during
WILLIAN STALLINGS: "Cryptography and network security", 1995, PRENTICE-HALL, INC., NEW JERSEY, XP002248261Non-patentInternational search
MENEZES, VANSTONE, OORSCHOT: "Handbook of Applied Cryptography", 1997, CRC PRESS LLC, USA, XP002248262Non-patentInternational search
BRUCE SCHNEIER: "Applied Cryptography Second Edition", 1996, JOHN WILEY & SONS, INC., XP002248263Non-patentInternational search