Rainbow

Algorithm type: signature
Main cryptographic assumption: multivariable polynomials, unbalanced oil and vinegatr
Scheme authors: Jintai Ding, Ming-Shing Chen, Albrecht Petzoldt, Dieter Schmidt, Bo-Yin Yang
Version: NIST Round 2 submission

Implementation

Source of implementation: https://github.com/fast-crypto-lab/rainbow-submission-round2
Implementation version: 9023fef558
License: CC0 1.0
Constant-time: Yes
Optimizations: Portable C

Parameter set	Security model	Claimed NIST security level	Public key size (bytes)	Secret key size (bytes)	Signature size (bytes)
Rainbow-Ia-Classic	EUF-CMA	1	148992	92960	64
Rainbow-Ia-Cyclic	EUF-CMA	1	58144	92960	64
Rainbow-Ia-Cyclic-Compressed	EUF-CMA	1	58144	64	64
Rainbow-IIIc-Classic	EUF-CMA	3	710640	511448	156
Rainbow-IIIc-Cyclic	EUF-CMA	3	206744	511448	156
Rainbow-IIIc-Cyclic-Compressed	EUF-CMA	3	206744	64	156
Rainbow-Vc-Classic	EUF-CMA	5	1705536	1227104	204
Rainbow-Vc-Cyclic	EUF-CMA	5	491936	1227104	204
Rainbow-Vc-Cyclic-Compressed	EUF-CMA	5	491936	64	204