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Anonymous authenticated communications

United States Patent

June 19, 2007
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A method of performing electronic communications between members of a group wherein the communications are authenticated as being from a member of the group and have not been altered, comprising: generating a plurality of random numbers; distributing in a digital medium the plurality of random numbers to the members of the group; publishing a hash value of contents of the digital medium; distributing to the members of the group public-key-encrypted messages each containing a same token comprising a random number; and encrypting a message with a key generated from the token and the plurality of random numbers.
Beaver; Cheryl L. (Albuquerque, NM), Schroeppel; Richard C. (Woodland Hills, UT), Snyder; Lillian A. (Corrales, NM)
Sandia Corporation (Albuquerque, NM)
10/ 072,018
February 5, 2002
GOVERNMENT RIGHTS The Government has rights to this invention pursuant to Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy.