How to prove yourself: practical solutions to identification and signature problems
Proceedings on Advances in cryptology---CRYPTO '86
A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
Universal one-way hash functions and their cryptographic applications
STOC '89 Proceedings of the twenty-first annual ACM symposium on Theory of computing
One-way functions are necessary and sufficient for secure signatures
STOC '90 Proceedings of the twenty-second annual ACM symposium on Theory of computing
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
Simultaneous Hardcore Bits and Cryptography against Memory Attacks
TCC '09 Proceedings of the 6th Theory of Cryptography Conference on Theory of Cryptography
On cryptography with auxiliary input
Proceedings of the forty-first annual ACM symposium on Theory of computing
Public-Key Cryptosystems Resilient to Key Leakage
CRYPTO '09 Proceedings of the 29th Annual International Cryptology Conference on Advances in Cryptology
Leakage-Resilient Public-Key Cryptography in the Bounded-Retrieval Model
CRYPTO '09 Proceedings of the 29th Annual International Cryptology Conference on Advances in Cryptology
Short and Stateless Signatures from the RSA Assumption
CRYPTO '09 Proceedings of the 29th Annual International Cryptology Conference on Advances in Cryptology
Signature Schemes with Bounded Leakage Resilience
ASIACRYPT '09 Proceedings of the 15th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Efficient non-interactive proof systems for bilinear groups
EUROCRYPT'08 Proceedings of the theory and applications of cryptographic techniques 27th annual international conference on Advances in cryptology
Circular and leakage resilient public-key encryption under subgroup indistinguishability
CRYPTO'10 Proceedings of the 30th annual conference on Advances in cryptology
Overcoming the Hole in the Bucket: Public-Key Cryptography Resilient to Continual Memory Leakage
FOCS '10 Proceedings of the 2010 IEEE 51st Annual Symposium on Foundations of Computer Science
Cryptography against Continuous Memory Attacks
FOCS '10 Proceedings of the 2010 IEEE 51st Annual Symposium on Foundations of Computer Science
Public-key encryption schemes with auxiliary inputs
TCC'10 Proceedings of the 7th international conference on Theory of Cryptography
Public-key cryptographic primitives provably as secure as subset sum
TCC'10 Proceedings of the 7th international conference on Theory of Cryptography
Evaluating 2-DNF formulas on ciphertexts
TCC'05 Proceedings of the Second international conference on Theory of Cryptography
Efficient identity-based encryption without random oracles
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Public-Key encryption in the bounded-retrieval model
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
Protecting circuits from leakage: the computationally-bounded and noisy cases
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
Bonsai trees, or how to delegate a lattice basis
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
Perfect non-interactive zero knowledge for NP
EUROCRYPT'06 Proceedings of the 24th annual international conference on The Theory and Applications of Cryptographic Techniques
Proceedings of the forty-third annual ACM symposium on Theory of computing
Leakage-resilient zero knowledge
CRYPTO'11 Proceedings of the 31st annual conference on Advances in cryptology
Leakage-Resilient cryptography from the inner-product extractor
ASIACRYPT'11 Proceedings of the 17th international conference on The Theory and Application of Cryptology and Information Security
BiTR: built-in tamper resilience
ASIACRYPT'11 Proceedings of the 17th international conference on The Theory and Application of Cryptology and Information Security
Multiparty computation secure against continual memory leakage
STOC '12 Proceedings of the forty-fourth annual ACM symposium on Theory of computing
A parallel repetition theorem for leakage resilience
TCC'12 Proceedings of the 9th international conference on Theory of Cryptography
Leakage-Tolerant interactive protocols
TCC'12 Proceedings of the 9th international conference on Theory of Cryptography
Multi-location leakage resilient cryptography
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
Fully leakage-resilient signatures with auxiliary inputs
ACISP'12 Proceedings of the 17th Australasian conference on Information Security and Privacy
Leakage-Resilient spatial encryption
LATINCRYPT'12 Proceedings of the 2nd international conference on Cryptology and Information Security in Latin America
Barriers in cryptography with weak, correlated and leaky sources
Proceedings of the 4th conference on Innovations in Theoretical Computer Science
Signature schemes secure against hard-to-invert leakage
ASIACRYPT'12 Proceedings of the 18th international conference on The Theory and Application of Cryptology and Information Security
The k-BDH assumption family: bilinear map cryptography from progressively weaker assumptions
CT-RSA'13 Proceedings of the 13th international conference on Topics in Cryptology
Multi-key leakage-resilient threshold cryptography
Proceedings of the 8th ACM SIGSAC symposium on Information, computer and communications security
Hi-index | 0.00 |
A signature scheme is fully leakage resilient (Katz and Vaikuntanathan, ASIACRYPT '09) if it is existentially unforgeable under an adaptive chosen-message attack even in a setting where an adversary may obtain bounded (yet arbitrary) leakage information on all intermediate values that are used throughout the lifetime of the system. This is a strong and meaningful notion of security that captures a wide range of side-channel attacks. One of the main challenges in constructing fully leakage-resilient signature schemes is dealing with leakage that may depend on the random bits used by the signing algorithm, and constructions of such schemes are known only in the random-oracle model. Moreover, even in the random-oracle model, known schemes are only resilient to leakage of less than half the length of their signing key. In this paper we construct fully leakage-resilient signature schemes without random oracles. We present a scheme that is resilient to any leakage of length (1 - o(1))L bits, where L is the length of the signing key. Our approach relies on generic cryptographic primitives, and at the same time admits rather efficient instantiations based on specific number-theoretic assumptions. In addition, we show that our approach extends to the continual-leakage model, recently introduced by Dodis, Haralambiev, Lopez-Alt andWichs (FOCS '10), and by Brakerski, Tauman Kalai, Katz and Vaikuntanathan (FOCS '10). In this model the signing key is allowed to be refreshed, while its corresponding verification key remains fixed, and the amount of leakage is assumed to be bounded only in between any two successive key refreshes.