System and method of data verification

Details System and method of data verification System and method of data verification

2007-12-31

2011-10-11

Kizou, Hassan (Department: 2472)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

C380S247000, C380S251000, C380S252000, C380S255000, C380S275000, C704S200000, C704S270000, C704S273000, C704S275000, C713S150000

Reexamination Certificate

active

08036249

ABSTRACT:
A data verification method and system is provided. The data verification method includes the steps of transmitting data from a sender to a receiver over a signaling channel, transmitting a first set of bits to the receiver over a voice channel, wherein the first set of bits is generated using the data in the sender, and verifying the data through comparison between the first set of bits and a second set of bits that is generated based on the data in the receiver. The first and the second sets of bits may be a group of bits that are selected from a hash value using a selection mask in the sender and the receiver respectively, wherein the section mask has the same length as the hash value and the hash value is calculated based on the data, and the selection mask may be pre-defined between the sender and the receiver.

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patent: 2008/0229110 (2008-09-01), Balfanz et al.
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