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搜索结果: 1-7 共查到军事学 semantically secure相关记录7条 . 查询时间(0.032 秒)
We show how to transform any semantically secure encryption scheme into a non-malleable one, with a black-box construction that achieves a quasi-linear blow-up in the size of the ciphertext. This impr...
The notion of universal re-encryption is an established primitive used in the design of many anonymity protocols. It allows anyone to randomize a ciphertext without changing its size, without decrypti...
Identity-based encryption (IBE) is a special case of public-key encryption where user identities replace public keys. Every user is given a corresponding secret key for decryption, and encryptions f...
Deciding “greater-than relations among data items just given their encryptions is at the heart of search algorithms on encrypted data, most notably, non-interactive binary search on encrypted data. ...
We define a notion of semantic security of multi-linear (a.k.a. graded) encoding schemes: roughly speaking, we require that if an algebraic attacker (obeying the multi-linear restrictions) cannot tell...
We propose an elliptic curve scheme over the ring Zn2 , which is efficient and semantically secure in the standard model, and it has expansion factor 2 (previous schemes with similar features presen...
We propose an elliptic curve scheme over the ring Zn2 , which is efficient and semantically secure in the standard model. There appears to be no previous elliptic curve cryptosystem based on factori...

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