Items tagged hashing in 2003
Filters: Year: 2003 × hashing × Sorted by date
Signing comments on blogs
Adrian Holovaty has implemented reserved comment names in his blog, a feature that prevents anyone apart from him from using the names “Adrian”, “Adrian H.” or “Adrian Holovaty” when posting a comment. François Nonnenmacher suggests extending the idea to allow people to “confirm” their authorship of comments on any blog using a TrackBack sent to their site that in turn causes them to be sent an alert email, which they can then use to confirm their comment. I like his idea of authentication based on URLs (email addresses are no good; they should not be publically displayed for fear of spam harvesters) but I think I’ve come up with an alternative authentication scheme that removes the need for the user to manually confirm authorship. This is pretty complicated, so bare with me.
[... 762 words]Hashing client-side data
Via Scott, a clever PHP technique for ensuring data sent to the browser as a cookie or hidden form variable isn’t tampered with by the user:
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