> Having said that, the way I understand it, a hash is 32-bit, > so there are finite number of possible hash values.
Hashes need not be 32-bit. Hashes created using MD5, the default algorithm used by CFMX, are 128-bit, 32 character strings. CFMX 7 supports SHA-1, SHA-256, SHA-384 and SHA-512 out of the box, plus you can use hash functions provided by any Java security provider you install. SHA-1 creates a 160-bit message digest, and the newer versions create hashes using the number of bits specified in their names. FIPS 180-1 describes the SHA/SHS standard: http://www.itl.nist.gov/fipspubs/fip180-1.htm "The SHA-1 is designed to have the following properties: it is computationally infeasible to find a message which corresponds to a given message digest, or to find two different messages which produce the same message digest." Of course, what's computationally infeasible now may not be in the future, in some cases. Dave Watts, CTO, Fig Leaf Software http://www.figleaf.com/ Fig Leaf Software provides the highest caliber vendor-authorized instruction at our training centers in Washington DC, Atlanta, Chicago, Baltimore, Northern Virginia, or on-site at your location. Visit http://training.figleaf.com/ for more information! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:206019 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
