This article could benefit from a definition of "security by obscurity." Every crypto system is based on obscurity of one kind or another. That private key, pa

This article could benefit from a definition of "security by obscurity." Every crypto system is based on obscurity of one kind or another. That private key, password, or token is just an obscure form of information that may yield, eventually, to a brute force attack. Or not. It's really hard to know for sure.