Thread 'CPID Checksum algorithm.'

Message boards : Web interfaces : CPID Checksum algorithm.
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Author	Message
Steve Waring Send message Joined: 15 Mar 06 Posts: 12	Message 12099 - Posted: 16 Aug 2007, 18:43:27 UTC Do CPIDs contain a checksum? If so, what is the algorithm for validating them? I would like to be able to validate a CPID before using the interface to retrieve the XML data. Of course, just because the CPID is valid does not mean it exists. ID: 12099 ·
Jord Volunteer tester Help desk expert Send message Joined: 29 Aug 05 Posts: 15563	Message 12101 - Posted: 16 Aug 2007, 19:44:41 UTC See CrossProjectID: Each host generates an internal cross-project ID, which is the MD5 of the concatenation of its domain name, IP address, free disk space, and a timestamp. This is reported to the projects to which the host is attached. The projects convert it to an external cross-project ID by hashing it with the owner's email address (this is intended to prevent spoofing). The external ID is exported in statistics files. Ok, that doesn't answer your question about the checksum, but it asks the question how a CPID can't exist. ID: 12101 ·
Jord Volunteer tester Help desk expert Send message Joined: 29 Aug 05 Posts: 15563	Message 12102 - Posted: 16 Aug 2007, 22:18:55 UTC I checked with David Anderson. He says CPIDs have no checksums. ID: 12102 ·
Steve Waring Send message Joined: 15 Mar 06 Posts: 12	Message 12170 - Posted: 20 Aug 2007, 23:44:56 UTC - in response to Message 12102.   I checked with David Anderson. He says CPIDs have no checksums. Many thanks. ID: 12170 ·

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