Re: [cart]'s ever get recycled?
This WebDNA talk-list message is from 2000
It keeps the original formatting.
numero = 31754
interpreted = N
texte = Vernon, Ken, SM support,thanks to all of you since I gather all the info I can as I learn and make decisions.Thanks:-)-JohnWebDNA Support wrote:> >My technique of choice is to create a record ID by slapping [cart] and> >[date %Y%m%d%H%M%S] together. Yes, this results in a number that looks like> >the National Debt, but it exponentially increases the number of possible> >unique numbers.>> This is abit redundant, since [cart] is already based on the date and> time, plus an ever-increasing number tacked onto the end of that. I> think [cart] alone is sufficient. It is not based on a statistical> probability of uniqueness; it is truly unique per machine.Kenneth Grome wrote:> >Also, since WebCat treats everything as text anyway, you could even> >use the encrypt context to hash the [cart] value. As long as you provide a> >seed, the hash encrypt generates will be unique even if you crypt the same> >string multiple times.>> This is wrong. Webcat does NOT generate a unique value every time> when you use a seed value to encrypt the same original string. It> does this sometimes, but not all the time, I reported this behavior> personally after discovering it during testing. It was discussed> many months ago as a potential security issue, and it was one of the> items supposedly on the list for improvement in 4.0 ...-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list
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Vernon, Ken, SM support,thanks to all of you since I gather all the info I can as I learn and make decisions.Thanks:-)-JohnWebDNA Support wrote:> >My technique of choice is to create a record ID by slapping [cart] and> >[date %Y%m%d%H%M%S] together. Yes, this results in a number that looks like> >the National Debt, but it exponentially increases the number of possible> >unique numbers.>> This is abit redundant, since [cart] is already based on the date and> time, plus an ever-increasing number tacked onto the end of that. I> think [cart] alone is sufficient. It is not based on a statistical> probability of uniqueness; it is truly unique per machine.Kenneth Grome wrote:> >Also, since WebCat treats everything as text anyway, you could even> >use the encrypt context to hash the [cart] value. As long as you provide a> >seed, the hash encrypt generates will be unique even if you crypt the same> >string multiple times.>> This is wrong. Webcat does NOT generate a unique value every time> when you use a seed value to encrypt the same original string. It> does this sometimes, but not all the time, I reported this behavior> personally after discovering it during testing. It was discussed> many months ago as a potential security issue, and it was one of the> items supposedly on the list for improvement in 4.0 ...-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/
John Butler
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