![]() ![]() ![]() This leaves out many hashing or MD5 algorithms I believe. We also require the ability to verify that the CD-KEY is valid using a quick check algorithm, so that we can inform the user if the code he enters is invalid. The algorithm must generate unique CD-KEYs. Unless a valid sequence is entered, your chances of randomly hitting a valid number is 1 in a million.Īlso, we are selling over 50,000 kits annually to various providers (who will generate their own CD-KEYS using our algorithm) so we cannot maintain a list of all previously issued CD-KEYS to check for duplicate. The reason is that if someone receives the kit 00002, but registers it as 000003 by accident, then his results will be matched to someone else. That could cost us thousands of dollars in liability.įor example, it cannot be a incremental sequence of numbers such as One of the requirements would be that the list of CD-KEYs must be sufficiently "spread" apart so that there is no possibility of someone entering an incorrect CD-KEY and still having it approved for someone else kit, thereby mixing up two kits. It is therefore important that it does not fail :) This is the only way that we will have to link the results to the patients. The results from the test will be linked to the CD-KEY. Users will receive a saliva collection kit by mail with the CD-KEY on it and they will use that CD-KEY to create an account on our website and get their results. ![]() However we are not selling software, we are selling DNA collection kit for criminal and medical purposes. I am trying to create a unique CD-KEY to put in our product's box, just like a normal CD-KEY found in standard software boxes that users use to register the product. ![]()
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