File comparison employs a single function F to calculate a digital signature from data in a sliding window. The digital signature is both incrementally computable and position sensitive. In particular, F is computable without reprocessing each byte in the array when the window is advanced and facilitates...http://www.google.es/patents/US6101507?utm_source=gb-gplus-sharePatente US6101507 - File comparison for data backup and file synchronization
File comparison for data backup and file synchronization
