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    IACR
    2016
    42views Biometrics» more  IACR 2016»
    Open Sesame: The Password Hashing Competition and Argon2
    8 years 17 days ago
    Open Sesame: The Password Hashing Competition and Argon2
    Download  eprint.iacr.org
    In this document we present an overview of the background to and goals of the Password Hashing Competition (PHC) as well as the design of its winner, Argon2, and its security requi...
    Jos Wetzels
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    IACR
    2016
    57views Biometrics» more  IACR 2016»
    Characterizations of the Degraded Boolean Function and Cryptanalysis of the SAFER Family
    8 years 17 days ago
    Characterizations of the Degraded Boolean Function and Cryptanalysis of the SAFER Family
    Download  eprint.iacr.org
    —This paper investigates the degradation properties of Boolean functions from the aspects of the distributions of differences and linear masks, and shows two characterizations of...
    Wentan Yi, Shaozhen Chen
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    IACR
    2016
    36views Biometrics» more  IACR 2016»
    Quantum Collision-Resistance of Non-Uniformly Distributed Functions
    8 years 17 days ago
    Quantum Collision-Resistance of Non-Uniformly Distributed Functions
    Download  eprint.iacr.org
    Abstract. We study the quantum query complexity of finding a collision for a function f whose outputs are chosen according to a distribution with min-entropy k. We prove that Ω(...
    Ehsan Ebrahimi Targhi, Gelo Noel Tabia, Dominique ...
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    IACR
    2016
    42views Biometrics» more  IACR 2016»
    Lightweight Multiplication in GF(2^n) with Applications to MDS Matrices
    8 years 17 days ago
    Lightweight Multiplication in GF(2^n) with Applications to MDS Matrices
    Download  eprint.iacr.org
    Abstract. In this paper we consider the fundamental question of optimizing finite field multiplications with one fixed element. Surprisingly, this question did not receive much ...
    Christof Beierle, Thorsten Kranz, Gregor Leander
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    IACR
    2016
    45views Biometrics» more  IACR 2016»
    Provably Robust Sponge-Based PRNGs and KDFs
    8 years 17 days ago
    Provably Robust Sponge-Based PRNGs and KDFs
    Download  eprint.iacr.org
    We study the problem of devising provably secure PRNGs with input based on the sponge paradigm. Such constructions are very appealing, as efficient software/hardware implementation...
    Peter Gazi, Stefano Tessaro
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    IACR
    2016
    44views Biometrics» more  IACR 2016»
    Cryptanalysis of PRINCE with Minimal Data
    8 years 17 days ago
    Cryptanalysis of PRINCE with Minimal Data
    Download  eprint.iacr.org
    We investigate two attacks on the PRINCE block cipher in the most realistic scenario, when the attacker only has a minimal amount of known plaintext available. The first attack is...
    Shahram Rasoolzadeh, Håvard Raddum
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    IACR
    2016
    43views Biometrics» more  IACR 2016»
    A trustless privacy-preserving reputation system
    8 years 17 days ago
    A trustless privacy-preserving reputation system
    Download  eprint.iacr.org
    Reputation systems are crucial for distributed applications in which users have to be made accountable for their actions, such as ecommerce websites. However, existing systems ofte...
    Alexander Schaub, Rémi Bazin, Omar Hasan, L...
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    IACR
    2016
    40views Biometrics» more  IACR 2016»
    Refund attacks on Bitcoin's Payment Protocol
    8 years 17 days ago
    Refund attacks on Bitcoin's Payment Protocol
    Download  eprint.iacr.org
    BIP70 is a community-accepted Payment Protocol standard that governs how merchants and customers perform payments in Bitcoin. This standard is supported by most major wallets and t...
    Patrick McCorry, Siamak Fayyaz Shahandashti, Feng ...
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    IACR
    2016
    35views Biometrics» more  IACR 2016»
    Cryptanalysis of ring-LWE based key exchange with key share reuse
    8 years 17 days ago
    Cryptanalysis of ring-LWE based key exchange with key share reuse
    Download  eprint.iacr.org
    ct This paper shows how several ring-LWE based key exchange protocols can be broken, under the assumption that the same key share is used for multiple exchanges. This indicates tha...
    Scott R. Fluhrer
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    IACR
    2016
    39views Biometrics» more  IACR 2016»
    Designing Proof of Human-work Puzzles for Cryptocurrency and Beyond
    8 years 17 days ago
    Designing Proof of Human-work Puzzles for Cryptocurrency and Beyond
    Download  eprint.iacr.org
    We introduce the novel notion of a Proof of Human-work (PoH) and present the first distributed consensus protocol from hard Artificial Intelligence problems. As the name suggest...
    Jeremiah Blocki, Hong-Sheng Zhou
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