Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2004-09-21
2008-11-25
Chai, Longbit (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S177000, C713S178000, C713S179000, C713S180000, C713S181000, C380S030000, C726S002000, C726S003000, C726S004000, C726S005000, C726S006000
Reexamination Certificate
active
07457958
ABSTRACT:
A system (50, 150) for assisting a user (14) to determine whether an email (18) comes from a purported originator (16). A computerized system having a display unit is provided. Logic (54) in the computerized system determines whether the email (18) includes an authenticity mark (52) including an originator identifier (102) and encrypted data (104). Logic (54) in the computerized system then decrypts the encrypted data (104) into decrypted data (108-14), based on the originator identifier (102). Logic (54) in the computerized system then presents to the user (14), on the display, whether the email (18) includes the authenticity mark (52), whether the encrypted data (104) decrypts successfully, and information based on the authenticity mark (52) and the decrypted data (108-14).
REFERENCES:
patent: 6314409 (2001-11-01), Schneck et al.
patent: 6606709 (2003-08-01), Connery et al.
patent: 6728378 (2004-04-01), Garib
patent: 6766369 (2004-07-01), Haitsuka et al.
patent: 2002/0199119 (2002-12-01), Dunnion et al.
patent: 2004/0078422 (2004-04-01), Toomey
Moreh Jahanshah
Olkin Jeffrey C.
Olkin Terry M.
Chai Longbit
Patent Venture Group
Proofprint, Inc.
Roberts Raymond E.
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