Security in a thumb drive: the promise and pain of hardware security modules, take one!
Hardware Security Modules (aka Smartcards, chipcards, etc) provide a secure way to store and use cryptographic keys, while actually making the whole process a bit easier. In theory, one USB thumb drive like thing could manage all of the crypto keys you use in a way that makes them much harder to steal. That is the promise. The reality is that the world of Hardware Security Modules (HSMs) is a massive, scary minefield of endless technical gotchas, byzantine standards (PKCS#11!
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