Voice signature with strong binding

Details Voice signature with strong binding Voice signature with strong binding

2003-01-17

2009-10-20

Augustin, Evens J. (Department: 3621)

Data processing: financial, business practice, management, or co

Business processing using cryptography

Usage protection of distributed data files

C713S186000

Reexamination Certificate

active

07606768

ABSTRACT:
Voice signature method. The signer obtains a public key from an intended recipient of a document to be electronically signed. The signer speaks a personal identification number (PIN) to generate a voice PIN and the signer also speaks at least the signer's name. The voice PIN and voice signature are appended to the document and the voice PIN is encrypted using the public key to create an encrypted voice PIN. A polynomial hash is generated based on the document, the voice signature and the encrypted voice PIN and this hash is itself encrypted based on the PIN to generate an encrypted hash. Finally, the document, the voice signature, the encrypted voice PIN and the encrypted hash are sent to the intended recipient.

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Communication Intelligence Corporation: “Understanding Electronic Signatures”, URL:http://web.archive.org/web/20020817162, 2002.

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