Dynamic Provable Data Possession C. Chris Erway Alptekin K¨upc¸u¨ Charalampos Papamanthou

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Fully Homomorphic Encryption without Modulus Switching from Classical GapSVP Zvika Brakerski∗ Abstract We present a new tensoring technique for LWE-based fully homomorphic encryption. While

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Sandy2x: New Curve25519 Speed Records Tung Chou Department of Mathematics and Computer Science Technische Universiteit Eindhoven, P.O. Box 513, 5600 MB Eindhoven, the Netherlands

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CLOC: Authenticated Encryption for Short Input⋆ Tetsu Iwata1 , Kazuhiko Minematsu2 , Jian Guo3 , and Sumio Morioka4 1 Nagoya University, Japan, NEC Corporation, Japan,

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A preliminary version of this paper appears in Advances in Cryptology - EUROCRYPT ’12 Proceedings. Lecture Notes in Computer Science, Vol. 7237, pp. 682–699, Pointcheval, D.; Johansson T. eds., Springer, 2012. This i

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• Cryptography
• Ciphertext indistinguishability
• Chosen-ciphertext attack
• Ciphertext
• RSA
• Encryption
• Cipher
• Semantic security
• Authenticated encryption

Tampering with the Delivery of Blocks and Transactions in Bitcoin † ˇ Arthur Gervais† , Hubert Ritzdorf† , Ghassan O. Karame‡ and Srdjan Capkun †

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Unaligned Rebound Attack: Application to Keccak Alexandre Duc1,∗ , Jian Guo2,† , Thomas Peyrin3,‡ , and Lei Wei3,§ 1 Ecole Polytechnique F´ed´erale de Lausanne, Switzerland

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Resettable Statistical Zero Knowledge Sanjam Garg1 , Rafail Ostrovsky1 , Ivan Visconti?2 , and Akshay Wadia1 1 2

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Using Tweaks To Design Fault Resistant Ciphers Sikhar Patranabis, Debapriya Basu Roy and Debdeep Mukhopadhyay Department of Computer Science and Engg. IIT Kharagpur, India {sikhar.patranabis, deb.basu.roy, debdeep}@cse.i

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1 A Provably Secure Short Signature Scheme from Coding Theory Maryam Rajabzadeh Asaar∗ , Mahmoud Salmasizadeh∗ , Mohammad Reza Aref † Research Institute (Center), Sharif University of Technology, Tehran, Iran

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