Resources Contact Us Home
Method and apparatus for digital signature authentication, and computer product

Image Number 15 for United States Patent #8037312.

An apparatus for digital signature authentication includes a dividing unit that divides streaming data into plural pieces of partial data in a predetermined unit; a first creating unit that creates a hash value string including plural hash values corresponding to the pieces of partial data; a second creating unit that creates a first binary tree using the hash value string; and a third creating unit that creates a digital signature of a signer using a root value of the first binary tree.

  Recently Added Patents
Hydroxylated amide skin moisturizer
Process for producing liquid crystal element, and liquid crystal element
Protecting a gaming machine from rogue code
Motion compensated overlay
Storage apparatus and storage apparatus management method performing data I/O processing using a plurality of microprocessors
Method for fabricating a nitrided silicon-oxide gate dielectric
Vehicle display system or projection display for a motor vehicle, and calibration method
  Randomly Featured Patents
Lamp circuit arrangement for controlling current flow through switching element
Oscillating energy capture mechanism
Photonic crystal three-port circulator with multiple second air columns
Casting composition
Surface cleaning machine with squeegee assembly
Antibodies that specifically bind ACT-4-L-h-1 ligand
Method for measuring average velocity pressure and system thereof
Detector arrangement having increased sensitivity
Eyelet-buttonhole sewing machine
Food service vehicle