encryption schemes
On Key Recovery Attacks against Existing Somewhat Homomorphic Encryption Schemes
... homomorphic encryption schemes are not IND-CCA1 ...these schemes suffer from key recovery attacks (stronger than a typical IND-CCA1 attack), which allow an adversary to recover the private keys ...
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Chosen Public Key and Ciphertext Secure Proxy Re-encryption Schemes
... Our Contributions. In this paper, we address the problem of constructing a PRE in the full public key, adaptive corruption model and to allow the adversaries to generate public keys on behalf of corrupted parties. ...
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Improved Functional Proxy Re-encryption Schemes for Secure Cloud Data Sharing
... re- encryption scheme DFA-based FPRE for secure public cloud data sharing, they also conclude their scheme can achieve IND-CCA secure (indistinguishable secure under chosen ciphertext attack), we also show their ...
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Simple Functional Encryption Schemes for Inner Products
... FE schemes for general circuits whose security is based either on indistinguishable ob- fuscation and its variants or polynomial hardness of simple assumptions on multilinear ...Those schemes are far from ...
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Comparative Study of Fully Homomorphic Encryption and Fully Disk Encryption schemes in Cloud Computing
... data encryption schemes [5] like homomorphic encryption, searchable and designed encryption, individuality based encryption, sign based encryption are ...Rijndael ...
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Stronger Public Key Encryption Schemes Withstanding RAM Scraper Like Attacks
... designing schemes against freezing attacks, where it is possible to measure a significant fraction of secret key bits if the secret key is stored in the part of memory which can be accessed even after power is ...
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(One) failure is not an option: Bootstrapping the search for failures in lattice-based encryption schemes
... Abstract. Lattice-based encryption schemes are often subject to the possibility of decryption failures, in which valid encryptions are decrypted incorrectly. Such failures, in large number, leak information ...
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Cyclotomic Polynomials in Ring-LWE Homomorphic Encryption Schemes
... Homomorphic Encryption has been considered the ’Holy Grail of Cryp- tography’ since the discovery of secure public key cryptography in the ...momorphic encryption is theoretically plausible was ...
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Title: Analysis of Various Encryption Schemes of Cloud Computing
... homomorphic encryption technique has drawbacks of large key size and low calculation efficiency, and it is not practical for the secure cloud computing ...homomorphic encryption scheme based on the GM ...
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Notes on Two Fully Homomorphic Encryption Schemes Without Bootstrapping
... homomorphic encryption schemes without ...two schemes posted to IACR ePrint archive re- cently are trivially insecure: the scheme by Masahiro Yagisawa [7] on 2015-05-19 and the scheme by Dongxi Liu ...
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Security Analysis and Enhancement for Prefix-Preserving Encryption Schemes
... These security proofs are incomplete because the security of the ideal PPE object is unknown. If the security of the ideal object is unacceptable, then the proof of indistinguishability between the real scheme and the ...
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A Literature Survey on Attribute-based Encryption Schemes of Access Policy in Shared Environment
... attribute-based encryption schemes like ABE, KP-ABE, CP-ABE, ABE with non- monotonic access structure, and HABE, we can say that these schemes can be classified according to their access ...
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Attribute-based encryption schemes with constant-size ciphertexts
... Attribute-based encryption (ABE), as introduced by Sahai and Waters, allows for fine- grained access control on encrypted ...attribute-based encryption (ABE) schemes allowing for truly expressive ...
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Adaptive key recovery attacks on NTRU-based somewhat homomorphic encryption schemes
... morphic encryption schemes. Among such schemes, we study the proposal by Bos et al [BLLN13] in ...phic encryption in ...homomorphic schemes is not ...
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General Classification of the Authenticated Encryption Schemes for the CAESAR Competition
... Authenticated encryption scheme is a scheme which provides privacy and integrity by using a secret ...Authenticated Encryption: Security, Applicability, and Robustness”) was co-founded by NIST and Dan ...
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On Generic Constructions of Circularly-Secure, Leakage-Resilient Public-Key Encryption Schemes
... of encryption security against bounded memory leakage, wherein an adversary (after seeing the public key) may obtain arbitrary information about the secret key, of the form f (sk) for adaptively chosen f , as long ...
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On the Optimality of Non-Linear Computations of Length-Preserving Encryption Schemes
... (LR) encryption for two blocks messages are pseudorandom permutation (PRP) and strong pseudorandom permuta- tion (SPRP) ...Square) encryption defined over two block inputs with three blockcipher calls was ...
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A Survey on Searchable Encryption Schemes
... encoding schemes enable users to firmly search over encrypted knowledge through keywords mistreatment Boolean ...words: Encryption, Searchable Encryption Schemes ...
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On the Joint Security of Signature and Encryption Schemes under Randomness Reuse: Efficiency and Security Amplification
... – We find that through the additional binding that is established via the reuse of randomness, it is possible to achieve full insider security. Our results hold in the dynamic multi-user setting, although in some cases ...
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Research on Attribute Based Encryption Schemes and Its Advanced Functions
... is encryption. An encryption scheme usually consists of two algorithms: encrypt and ...traditional encryption schemes, the key used in encrypt algorithm is the same as in decrypt ...
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