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Encryption

NIST Removes Dual_EC_DRBG From Random Number Generator Recommendations 86

Posted by Soulskill
from the cryptic-announcement dept.
hypnosec writes: "National Institute of Standards and Technology (NIST) has removed the much-criticized Dual_EC_DRBG (Dual Elliptic Curve Deterministic Random Bit Generator) from its draft guidance on random number generators following a period of public comment and review. The revised document retains three of the four previously available options for generating pseudorandom bits required to create secure cryptographic keys for encrypting data. NIST recommends that people using Dual_EC_DRBG should transition to one of the other three recommended algorithms as quickly as possible."
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NIST Removes Dual_EC_DRBG From Random Number Generator Recommendations

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  • by cold fjord (826450) on Tuesday April 22, 2014 @05:10PM (#46818359)

    Presumably GP worries that if one out of four options selected by this body is not just flawed but apparently deliberately subverted, what does that say about how well the other three were vetted?

    That isn't quite the issue. All of the options in the standard were vetted. The Dual_EC_DRBG option is controversial for performance, the correction to it, and one other reason. Some people claim that it has a backdoor, but that isn't what has been proven. What has been proven is that a backdoor is possible with the technology and you wouldn't know either way. You can generate values for the curve without creating a backdoor, and that would be less work. If there was a backdoor created, only the person or group that created the values used in curve would know it and how to exploit it. If a backdoor exists for a particular set of curve values identifying it isn't easier than the original problem. It looks the same either way with or without a backdoor. People have been making exaggerated claims based on this ambiguity.

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