Author signatures for legal purposes

Details Author signatures for legal purposes Author signatures for legal purposes

2008-01-01

2008-01-01

Vu, Kim (Department: 2135)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S164000, C713S165000, C713S167000, C713S178000, C713S179000, C713S180000, C713S181000, C726S004000, C726S010000, C726S021000, C726S026000, C715S252000, C715S252000

Reexamination Certificate

active

07315947

ABSTRACT:
Methods and apparatus, including computer program products, implementing and using techniques for establishing trust in an electronic document. An electronic document is received. State dependent content in the electronic document is identified. The state dependent content is content that is renderable to have a several appearances. The electronic document is presented to a user, which includes disclosing the presence of any identified state dependent content in the electronic document.

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