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Dual_EC_DRBG Backdoor: a Proof of Concept
New submitter Reliable Windmill sends this followup to the report that RSA took money from the NSA to use backdoored tech for random number generation in encryption software. From the article: "Dual_EC_DRBG is an pseudo-random number generator promoted by NIST in NIST SP 800-90A and created by NSA. This algorithm is problematic because it has been made mandatory by the FIPS norm (and should be implemented in every FIPS approved software) and some vendors even promoted this algorithm as first source of randomness in their applications. If you still believe Dual_EC_DRBG was not backdoored on purpose, please keep reading. ... It is quite obvious in light of the recent revelations from Snowden that this weakness was introduced by purpose by the NSA. It is very elegant and leaks its complete internal state in only 32 bytes of output, which is very impressive knowing it takes 32 bytes of input as a seed. It is obviously complete madness to use the reference implementation from NIST"