Classical cryptography provides security based on unproven
mathematical assumptions and depends on the technology available to
an eavesdropper. But, these things might not be enough in the near future to
cyber security. We need something that
provides unconditional security. We need quantum cryptography.
When it comes to public key cryptography, most systems today are still stuck in
the 1970s. On December 14, 1977, two events occurred that would change the
world: Paramount Pictures released Saturday Night
Fever, and MIT filed the
patent for RSA.