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IMPORTANT: the assumption made here is incorrect. I suggested using a hashing function, but one should make a special message authentication code function such as HMAC…

A thing I've been rediscovering as of late is the bookmarklet. Not that I use many, but in contrast to many of the browser extensions, bookmarklets are really minimalistic and hence very simple to use (although installing them on mobile devices is not) pieces of software. Currently I use the Tumblr, Instapaper and Pinterest bookmarklets, but they all share a common problem: they require you to authenticate before you can actually use them.

Not satisfied with the third parties, not satisfied with hot they work…

I'm using the Tumblr blogging service simply because it makes posting, via its bookmarklet, easier than posting s…