Monday, April 24, 2017

Door access controls

Biometric
devices scan fingerprints, retinas, or even the sound of the user’s voice to provide a fool-
proof replacement for both passwords and smart devices. Biometrics have been around
for quite a while, but were relegated to extremely high-security networks due to their
high cost (thousand of dollars per device). That price has dropped substantially, mak-
ing biometrics worthy of consideration for some networks.


Key stretching - explicação

Você pode fazer uma chave fraca se tornar mais forte ao executar múltiplos processos para a mesma chave. Por exemplo, você pode ter uma se...