The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2005
Filed:
Mar. 03, 2000
Robert Huijie Deng, Singapore, SG;
Feng Bao, Singapore, SG;
Yongdong Wu, Singapore, SG;
Kent Ridge Digital Labs, Singapore, SG;
Abstract
A method, an apparatus, and a computer program product for remote authentication are disclosed. The methods are based on exchanging of signals representing remote party's biometrics information (such as acoustic waveforms) and have application in secure telephony or video-conferencing communications over open networks. The apparatus includes a speech encoding/decoding module (), a control module (), an encryption/decryption module (), a key generator (), a Diffie Hellman key exchange system (), a timer module () for measuring time between a challenged statement and a corresponding response statement, an input/output (I/O) module () for transmitting and receiving data via a communications channel