Re: [Semi-OT] encrypted variable in URL
This WebDNA talk-list message is from 2005
It keeps the original formatting.
numero = 62700
interpreted = N
texte = MarkTry doing something like hiding the variable in the variable.You could have it sent to you in a format that when you broke it down you could extract the required data.EG:You require the variable 2468 to be sent to you. Have them send it to you asxxxxxx2468xxxxxxwhere x=random digit, then use [GetChars start=7&end=10] xxxxxx2468xxxxxx[/GetChars]If the value is as low a 2 digits, you will have to have it sent to you with leading zeros egYou require 34, have them send xxxxxx0034xxxxxxthen strip the zeros off [Math][GetChars start=7&end=10] xxxxxx0034xxxxxx[/GetChars]+0[/Math] = 34Now if you are using letters or a mix I will leave it to you :)Stuart Tremainidfk web developments, sydney, australiaOn 29 Jul 2005, at 7:40 AM, Mark Derrick wrote:> Simple problem - got a third-party that wants to click-through to > us whilst also sending a variable on the incoming link.> Now the easy bit is to use SSL and get them to use POST, and to > check the [referrer] - BUT as an extra level of protection (to stop > the value of the variable being adjusted), we'd also like to > somehow either encrypt the value or include some kind of checksum.> The problem is that the value may be as low as 2 digits.> I'm also that not happy about trusting security on [referrer], so > encrypting the value would solve a lot of problems>> Anyone doing anything similar, feedback about what works and what > doesn't would be useful.>> Thanks.>> -------------------------------------------------------------> This message is sent to you because you are subscribed to> the mailing list
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Associated Messages, from the most recent to the oldest:
MarkTry doing something like hiding the variable in the variable.You could have it sent to you in a format that when you broke it down you could extract the required data.EG:You require the variable 2468 to be sent to you. Have them send it to you asxxxxxx2468xxxxxxwhere x=random digit, then use [GetChars start=7&end=10] xxxxxx2468xxxxxx[/GetChars]If the value is as low a 2 digits, you will have to have it sent to you with leading zeros egYou require 34, have them send xxxxxx0034xxxxxxthen strip the zeros off [math][GetChars start=7&end=10] xxxxxx0034xxxxxx[/GetChars]+0[/Math] = 34Now if you are using letters or a mix I will leave it to you :)Stuart Tremainidfk web developments, sydney, australiaOn 29 Jul 2005, at 7:40 AM, Mark Derrick wrote:> Simple problem - got a third-party that wants to click-through to > us whilst also sending a variable on the incoming link.> Now the easy bit is to use SSL and get them to use POST, and to > check the [referrer] - BUT as an extra level of protection (to stop > the value of the variable being adjusted), we'd also like to > somehow either encrypt the value or include some kind of checksum.> The problem is that the value may be as low as 2 digits.> I'm also that not happy about trusting security on [referrer], so > encrypting the value would solve a lot of problems>> Anyone doing anything similar, feedback about what works and what > doesn't would be useful.>> Thanks.>> -------------------------------------------------------------> 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 digest@talk.smithmicro.com>> Web Archive of this list is at: http://webdna.smithmicro.com/>-------------------------------------------------------------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://webdna.smithmicro.com/
Stuart Tremain
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