An Improved Identity-Based Multivariate Signature Scheme Based on Rainbow

Multivariate Public Key Cryptography (MPKC) is one of the main candidates for post-quantum cryptography, especially in the area of signature schemes. In this paper, we instantiate a certificate Identity-Based Signature (IBS) scheme based on Rainbow, one of the most efficient and secure multivariate...

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Bibliographic Details
Published in:Cryptography 2019-03, Vol.3 (1), p.8
Main Author: Luyen, Le Van
Format: Article
Language:English
Subjects:
Algorithms
Cryptography
Digital signatures
identity-based signature
Multivariate analysis
multivariate cryptography
Polynomials
post-quantum cryptography
Quantum cryptography
rainbow
Rainbows
UOV
Vinegar
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Summary:Multivariate Public Key Cryptography (MPKC) is one of the main candidates for post-quantum cryptography, especially in the area of signature schemes. In this paper, we instantiate a certificate Identity-Based Signature (IBS) scheme based on Rainbow, one of the most efficient and secure multivariate signature schemes. In addition, we revise the previous identity-based signature scheme IBUOV based on the Unbalanced Oil and Vinegar (UOV) scheme on the security and choice of parameters and obtain that our scheme is more efficient than IBUOV in terms of key sizes and signature sizes.
ISSN:2410-387X
2410-387X
DOI:10.3390/cryptography3010008