Titlebook: Information Security and Cryptology; 8th International Co Miros?aw Kuty?owski,Moti Yung Conference proceedings 2013 Springer-Verlag Berlin

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An Efficient Rational Secret Sharing Protocol Resisting against Malicious Adversaries over Synchronur protocol is based on the use of publicly verifiable secret sharing. Under the assumptions related to discrete logarithm and ElGamal cryptosystem, computational bounded players have an incentive not to deviate no matter how adversaries behave.

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Visual Cryptography for Natural Images and Visual Voting,ixel expansion, and thus establishes the visual cryptography scheme suitable for natural images. The second part of this paper presents a visual voting scheme that need no counting process and guarantees anonymity.

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Verifiable Structured Encryption,ability similar to verifiable SSE, but with difference on how a tag for verifiability is defined. This is mainly due to the notions of semi-private data that does not exist in a verifiable SSE scheme. We then present constructions secure under this model and prove security of the constructions.

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A General Model for MAC Generation Using Direct Injection,uld prevent the type of forgery discussed here. In particular, suitable initialisation of the register and active use of a secure nonlinear filter will prevent an attacker from finding a collision in the final register contents which could result in a forged MAC.

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An Improved Time-Memory-Data Trade-Off Attack against Irregularly Clocked and Filtered Keystream Ge of 89-bit words memory and 2. keystream bits. This result is better than those in [15,6], which possess the complexity of 2. parity checks and 2. bit operations respectively. Moreover, our attack can be divided and computed in parallel, and the actual runtime of the attack can be reduced depending on the number of computers we access.

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Collision Attacks on Variant of OCB Mode and Its Series,shows that: 1) OCB-ZXY still cannot resist against collision attacks. 2) OCB2 and OCB3 also suffer from collision attacks, even more severely than OCB1. 3) Even if OCB2 and OCB3 adopt the ODPBT technique, collision attacks still exist.

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Lecture Notes in Computer Sciencehttp://image.papertrans.cn/i/image/465369.jpg

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