liboqs/docs/algorithms/sig_dilithium.md

liboqs nist-branch algorithm datasheet: sig_dilithium

Summary

• Name: CRYSTALS-DILITHIUM
• Algorithm type: signature
• Main cryptographic assumption: hardness of lattice problems over module lattices.
• NIST submission URL: https://csrc.nist.gov/CSRC/media/Projects/Post-Quantum-Cryptography/documents/round-2/submissions/CRYSTALS-Dilithium-Round2.zip
• Submitters (to NIST competition): Vadim Lyubashevsky, Leo Ducas, Eike Kiltz, Tancrede Lepoint, Peter Schwabe, Gregor Seiler, Damien Stehle
• Submitters' website: https://pq-crystals.org/dilithium/index.shtml
• Added to liboqs by: Dimitrios Sikeridis, Panos Kampanakis

Parameter sets

Parameter set	Security model	Claimed NIST security level	Public key size (bytes)	Secret key size (bytes)	Signature size (bytes)
DILITHIUM_2	EUF-CMA	1	1184	2800	2044
DILITHIUM_3	EUF-CMA	2	1472	3504	2701
DILITHIUM_4	EUF-CMA	3	1760	3856	3366

Implementation

• Source of implementation: https://github.com/PQClean/PQClean
• Implementation version: e56b2e5556
• License: public domain
• Language: C
• Constant-time: Yes
• Architectures supported in liboqs master branch: x86, x64