Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2005-06-03
2008-10-14
Barron, Jr., Gilberto (Department: 2132)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C380S270000
Reexamination Certificate
active
07437573
ABSTRACT:
Unsent messages are securely stored in a client by determining whether a connection to a server exists. If the connection exists, the message can be sent using the intended recipient's public key. In response to a determination that a connection from the client to a server does not exist, information from the client can be used to encrypt a modulated data signal that is to be sent from the client to the server. The encrypted modulated data signal is stored on the client. When a determination is made that a connection from the client to the server exists, information from the client is used to decrypt the encrypted modulated data signal.
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patent: 5751813 (1998-05-01), Dorenbos
patent: 7210044 (2007-04-01), Lai et al.
patent: 2006/0052142 (2006-03-01), Herz et al.
Alfred J. Menezes et al., Hand books of Applied Cryptography, CRC Press, 494,544,656,661.
Scott Mueller, Upgrading and Repairing PCs, Que, 570.
Counts Eian D.
Lin Hsuan-Yu Jerry
Vargas Garrett R.
Barron Jr. Gilberto
Merchant & Gould
Microsoft Corporation
Sullivan Timothy P.
Yousefi Shahrouz
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