Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2007-05-08
2007-05-08
Song, Hosuk (Department: 2135)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S166000, C713S168000
Reexamination Certificate
active
09639385
ABSTRACT:
A digital signature is embedded in the header of selected content to be transmitted. A recipient of the content identifies the priority of the content according to header line content or signature presence and segregates signed priority content from non-authenticated content. Signature generation and filtering as well as certification are accomplished by running application specific software on a selected computer. Required e-mail access level may vary with the intended recipient and/or with the instrumentality by which e-mail access is allowed.
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Martine & Penilla & Gencarella LLP
Song Hosuk
Sun Microsystems Inc.
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