Security printing method and system for enhancing security...

Details Security printing method and system for enhancing security... Security printing method and system for enhancing security...

2011-03-29

2011-03-29

Song, Hosuk (Department: 2435)

Cryptography

Having production of printed copy

C713S168000, C713S179000, C713S181000

Reexamination Certificate

active

07916863

ABSTRACT:
A security printing method includes generating a security file having a plurality of metadata fields and an information field concatenated together in an initial sequence. A security file identification is generated from the plurality of metadata fields and the information field. The security file identification corresponds to the initial sequence and is a one-way function of the plurality of metadata fields and the information field. The method further includes selecting a custom scrambling technique based on the security file identification, and scrambling the initial sequence using the selected custom scrambling technique, thereby creating a scrambled sequence of the plurality of metadata field and the information field.

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