Digitally Notarized Documents in Brazil

Remote writes: "As of next year, Brazilians will be able to obtain notary-authenticated digital documents and have them sent over the Internet (English) . You can also obtain a CD or floppy from a notary office, containing your document encrypted with an assymetric key. The key generation, though, demands that one shows up in person at the notary office for ID verification. This was made possible by legislation that recognises public-key encrypted documents and signatures as legally valid. This is one first step, and I don't see why this wouldn't be applied to things like contracts, invoices, wills, etc. Brazilian Notary and Register Association claims that one can even print as many copies of, say, your driver license as desired, though I don't see how this part would work..."

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Why Digital Signatures Aren't Signatures

[fhwang]

Everyone interested in this subject should read Bruce Schneier's piece on the subject: Why Digital Signatures Aren't Signatures. The gist of his article is that although cryptography came verify that a document can from a given computer, it cannot verify that it came from a given person, or even that that person intended to sign that document. "The mathematics of cryptography, no matter how strong," he writes, "cannot bridge the gap between me and my computer."