Patents Assigned to Kwan Sofware Engineering, Inc.
  • Patent number: 7480796
    Abstract: A system for authenticating data of interest includes a digest locator engine capable to locate a first and a second digest result in a data file, including a set of data; a first digest creator capable to create, using a first digest function, a first digest of the set of data, the first digest function being identical to a digest function used to create the first digest result; a second digest creator capable to create, using a second digest function that is incompatible with the first digest function, a second digest of the set of data, the second digest function being identical to a second digest function used to create the second digest result; and a digest comparator engine, communicatively coupled to the digest locator, first digest creator and the second digest creator, capable to compare the first and second created digests with the first and second located digest results respectively.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: January 20, 2009
    Assignee: Kwan Sofware Engineering, Inc.
    Inventor: John Man Kwong Kwan