Patents by Inventor Wieland Fishcher

Wieland Fishcher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DEVICE AND METHOD FOR CALCULATING A RESULT OF A MODULAR MULTIPLICATION WITH A CALCULATING UNIT SMALLER THAN THE OPERANDS
    Publication number: 20080065714
    Abstract: For calculating a result of a modular multiplication with long operands, at least the multiplicand is divided into at least three shorter portions. Using the three shorter portions of the multiplicand, the multiplier and the modulus, a modular multiplication is performed within a cryptographic calculation, wherein the portions of the multiplicand, the multiplier and the modulus are parameters of the cryptographic calculation. The calculation is performed sequentially using the portions of the multiplicand and using an intermediate result obtained in a previous calculation, until all portions of the multiplicand are processed, to obtain the final result of the modular multiplication.
    Type: Application
    Filed: October 27, 2006
    Publication date: March 13, 2008
    Applicant: INFINEON TECHNOLOGIES AG
    Inventor: Wieland Fishcher