New Vista Random Numbers to Include NSA Backdoor? ScuttleMonkey (UID: 55) posted more than 6 years ago | from the advice-is-to-never-enable-it.-Ever. dept. 269 Schneier is reporting that Microsoft has added the new Dual_EC-DRBG random-number generator to Vista SP1. This random-number generator is the same one discussed earlier that may have a secret NSA backdoor built into it.