Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2007-05-01
2007-05-01
Sheikh, Ayaz (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S180000, C713S181000, C713S170000, C713S168000
Reexamination Certificate
active
10044008
ABSTRACT:
One embodiment of the present invention provides a system that facilitates secure messaging. The system starts by creating a message at an origin. Next, the system computes a digest of the message. This digest is signed using an origin private encryption key. The message and the signed digest are forwarded to a queue for delivery to a recipient. Upon receiving the message and the signed digest at the queue, the system verifies that the digest was signed at the origin by using an origin public encryption key. If the signature is valid, the origin cannot deny creating the message. Valid messages and digests are placed on the queue and the recipient is notified that the message is available.
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Chatterjee Debashish
Jain Namit
Mishra Shailendra K.
Nainani Bhagat V.
Wang Wei
Chen Shin-Hon
Grundler Edward J.
Oracle International Corp.
Park Vaughan & Fleming LLP
Sheikh Ayaz
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