New Research in Invisible Inks

It’s a lot more chemistry than I understand: Invisible inks based on "smart" fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately…. But some of the materials are costly or difficult to prepare, and many of these inks remain somewhat visible when illuminated with ambient or ultraviolet light. Liang Li and coworkers… Continue reading New Research in Invisible Inks

New Research in Invisible Inks

It’s a lot more chemistry than I understand: Invisible inks based on "smart" fluorescent materials have been shining brightly (if only you could see them) in the data-encryption/decryption arena lately…. But some of the materials are costly or difficult to prepare, and many of these inks remain somewhat visible when illuminated with ambient or ultraviolet light. Liang Li and coworkers… Continue reading New Research in Invisible Inks

How to securely print private key and protect against attacks on printer itself? [closed]

As we know, there are various possible attacks on printers, so it is not very secure to print high-security things like private keys for bitcoin/gpg/etc. on a random printer.

What I’m mostly concerned about is hacked firmware and side-cha… Continue reading How to securely print private key and protect against attacks on printer itself? [closed]