Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Handheld electronic device with text disambiguation employing advanced editing feature
Generation of interpolated samples for decision based decoding
Polypeptide microparticles
Pressing mold for optical lenses and method for manufacturing glass optical lenses
Leg stretching device
Method of operating a split gate flash memory cell with coupling gate
Apparatus for providing location information of hand-held device and method thereof
  Randomly Featured Patents
System for monitoring unsupervised workers and generating and delivering a report based on the monitored activities such as utilizing a third party service provider and system subscription
Method and apparatus for well logging and well control
Profile sections for plate-like composite elements
Anti-PRO1309 antibodies
Template used for polishing a semiconductor wafer
Method of forming a self-flanging nut joint
Parts sorter
Wafer edge inspection
Apparatus for refolding continuous from stationery
Bis-monoperoxyacetals and -ketals