9. The process of claim 8 , further comprising: continuing said process until the windows span the sequence of hash values for the document.
9. The process of claim 8 , further comprising: continuing said process until the windows span the sequence of hash values for the document. 10. The process of claim 9 , further comprising: forming a first set of fingerprints which includes said fingerprints that are 0 modulo P; and forming a second set of fingerprints which includes said fingerprints that are forcibly-selected.