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搜索结果: 1-15 共查到军事学 Proxy Re-Encryption相关记录42条 . 查询时间(0.083 秒)
Proxy Re-Encryption (PRE), introduced by Bellare et. al, allows a ciphertext encrypted using a key pki to be re-encrypted by a third party so that it is an encryption of the same message under a new k...
Cloud storage enables its users to store confidential information as encrypted files in the cloud. A cloud user (say Alice) can share her encrypted files with another user (say Bob) by availing proxy ...
Proxy re-encryption (PRE) enables delegation of decryption rights by entrusting a proxy server with special information, that allows it to transform a ciphertext under one public key into a ciphertext...
We put forward the notion of universal proxy re-encryption (UPRE). A UPRE scheme enables us to convert a ciphertext under a (delegator) public key of any existing public-key encryption (PKE) scheme in...
All existing security proofs for PRE only show selective security, where the adversary must first declare the users it wants to corrupt. This can be lifted to more meaningful adaptive security by gues...
We revisit the notion of proxy re-encryption (PRE), an enhanced public-key encryption primitive envisioned by Blaze et al. (Eurocrypt'98) and formalized by Ateniese et al. (NDSS'05) for delegating dec...
Proxy re-encryption (PRE) is a cryptographic primitive introduced by Blaze, Bleumer and Strauss to provide delegation of decryption rights. A semi-trusted proxy agent re-encrypts ciphertexts under the...
Proxy Re-Encryption (PRE) allows a ciphertext encrypted under Alice's public key to be transformed to an encryption under Bob's public key without revealing either the plaintext or the decryption keys...
We consider the problems of i) using public-key encryption to enforce dynamic access control on clouds; and ii) key rotation of data stored on clouds. Historically, proxy re-encryption, ciphertext del...
Proxy re-encryption (PRE) is a cryptographic primitive introduced by Blaze, Bleumer and Strauss to provide delegation of decryption rights. PRE allows re-encryption of a ciphertext intended for Alice ...
Proxy re-encryption (PRE) and Proxy re-signature (PRS) were introduced by Blaze, Bleumer and Strauss [Eurocrypt '98]. Basically, PRE allows a semi-trusted proxy to transform a ciphertext encrypted und...
We develop two IND-CPA-secure multi-hop unidirectional Proxy Re-Encryption (PRE) schemes by applying the Ring-LWE (RLWE) relinearization approach from the homomorphic encryption literature. Unidirecti...
Proxy re-encryption (PRE) is a cryptographic primitive in which a proxy can transform Alice’s ciphertexts into ones decryptable by Bob. Key-private PRE specifies an additional level of security, requ...
Proxy Re-Encryption (PRE) is a type of Public-Key Encryption (PKE) that provides an additional re-encryption functionality. Although PRE is inherently more complex than PKE, attack models for PRE have...
Proxy re-encryption (PRE) was introduced by Blaze, Bleumer and Strauss [Eurocrypt '98]. Basically, PRE allows a semi-trusted proxy to transform a ciphertext encrypted under one key into an encryption ...

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