Importance

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Abstract

A method and apparatus for authenticating a pair of correspondents C, S in an information exchange session to permit exchange of information therebetween. The first correspondent C having log on applets and the correspondent having means for processing applets. The method is characterized in that the first correspondent C transmitting to the second correspondent S a first unique information, the second correspondent S verifying the identity of C and generating a second unique information; transmitting to C the first and second unique information; the C verifying the first unique information to thereby establish currency of the session; the first correspondent C then generating a third unique information and transmitting the third unique information to the S along with an information request; the second correspondent S transmitting to C the requested information along with said second and third unique information; said c verifying said third unique information to thereby establish currency of the request and verifying the second unique information to thereby establish currency of the session; said C repeating steps the above steps for each additional information requested by C.

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First Claim