Meltem Sonmez Turan

Publications

Bridging the Gap between Standards on Random Number Generation: Comparison of SP 800-90 Series and AIS 20/31

January 29, 2026

Author(s)

Elaine Barker, John Kelsey, Kerry McKay, Johannes Mittmann, Matthias Peter, Werner Schindler, Meltem Sonmez Turan

This report studies the cryptographic random number generation standards and guidelines written by BSI and NIST, namely AIS 20/31 and SP 800-90 Series. The aim

Recommendation for Random Bit Generator (RBG) Constructions

September 25, 2025

Author(s)

Elaine Barker, John Kelsey, Kerry McKay, Allen Roginsky, Meltem Sonmez Turan

The NIST Special Publication (SP) 800-90 series of documents supports the generation of high-quality random bits for cryptographic and non-cryptographic use. SP

Requirements for Cryptographic Accordions

April 11, 2025

Author(s)

Yu Long Chen, Michael Davidson, Morris Dworkin, John Kelsey, Yu Sasaki, Meltem Sonmez Turan, Alyssa Thompson, Nicky Mouha, Donghoon Chang

This report introduces the cryptographic accordion as a tweakable, variable-input-length strong pseudorandom permutation (VIL-SPRP) that is constructed from an

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Meltem Sonmez Turan (Fed)

Mathematician

Publications

Bridging the Gap between Standards on Random Number Generation: Comparison of SP 800-90 Series and AIS 20/31

Recommendation for Random Bit Generator (RBG) Constructions

Requirements for Cryptographic Accordions