Prediction resistance is provided relative to time T if there is assurance that an adversary who has knowledge of the internal state of the DRBG at some time prior to would be unable to distinguish between observations of ideal random bitstrings and bitstrings output by the DRBG at or subsequent to time T. The complementary assurance is called Backtracking Resistance. (SP 800-90A) (NISTIR)
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Prediction resistance is provided relative to time T if there is assurance that an adversary who has knowledge of the internal state of the DRBG at some time prior to would be unable to distinguish between observations of ideal random bitstrings and bitstrings output by the DRBG at or subsequent to time T. The complementary assurance is called Backtracking Resistance. (SP 800-90A) (NISTIR)
Cite this term
Election Security Glossary. (2026). Prediction Resistance. In Election Security Glossary. Retrieved August 22, 2026, from https://electionsecurityglossary.com/glossary/prediction-resistance
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