Electronic document management apparatus, electronic...

Details Electronic document management apparatus, electronic... Electronic document management apparatus, electronic...

2011-07-19

2011-07-19

Pich, Ponnoreay (Department: 2435)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C726S026000, C726S030000

Reexamination Certificate

active

07984302

ABSTRACT:
An apparatus includes a digital signature verification data embedding unit and a signing unit. The digital signature verification data embedding unit is configured to embed digital signature verification data for use in verification of a digital signature for an electronic document into the electronic document. The signing unit is configured to sign the electronic document with a digital signature whose validity can be verified using digital signature verification data embedded in the electronic document.

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