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A Public-key Encryption Scheme Based on Non-linear Indeterminate Equations (Giophantus)
Public-key Cryptosystem Post-Quantum Cryptosystem Indeterminate Equation
2017/12/25
In this paper, we propose a post-quantum public-key encryption scheme whose security depends on a problem arising from a multivariate non-linear indeterminate equation. The security of lattice cryptos...
Multivariate Public Key Cryptography is a leading option for security in a post quantum society. In this paper we propose a new encryption scheme, EFLASH, and analyze its efficiency and security.
On the security of a Certificateless Proxy Re-Encryption Scheme without Pairing
Proxy Re-Encryption Pairing-free Public Key
2017/9/14
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...
An Efficient Certificateless Proxy Re-Encryption Scheme without Pairing
Proxy Re-Encryption Pairing-less Public Key
2017/8/16
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 ...
Decoding Generalized Reed-Solomon Codes and Its Application to RLCE Encryption Scheme
Reed-Solomon Codes RLCE Encryption Scheme
2017/8/2
This paper compares the efficiency of various algorithms for implementing public key encryption scheme RLCE on 64-bit CPUs. By optimizing various algorithms for polynomial and matrix operations over f...
Total Break of the Fully Homomorphic Multivariate Encryption Scheme of 2017/458: Decryption can not be of low degree
Multivariate Cryptography Fully Homomorphic Encryption Eprint 2017/458
2017/5/31
Total Break of the Fully Homomorphic Multivariate Encryption Scheme of 2017/458: Decryption can not be of low degree.
Combinatorial Subset Difference Public Key Broadcast Encryption Scheme for Secure Multicast
broadcast encryption secure multicast wildcard
2017/5/15
Public key broadcast encryption is a cryptographic method to securely transmit a message from anyone to a group of receivers such that only privileged users can decrypt it. A secure multicast system a...
Secure Searching of Biomarkers Using Hybrid Homomorphic Encryption Scheme
Homomorphic encryption Biomarkers
2017/4/5
As genome sequencing technology develops rapidly, there has lately been an increasing need to keep genomic data secure even when stored in the cloud and still used for research. In this paper, we are ...
A new rank metric codes based encryption scheme
McEliece encryption scheme code based cryptography
2017/3/13
We design a new McEliece-like rank metric based encryption scheme from Gabidulin codes. We explain why it is not affected by the invariant subspace attacks also known as Overbeck's attacks. The idea o...
Improved Attacks for Characteristic-2 Parameters of the Cubic ABC Simple Matrix Encryption Scheme
multivariate public key cryptography differential invariant MinRank
2017/3/6
In the last few years multivariate public key cryptography has experienced an infusion of new ideas for encryption. Among these new strategies is the ABC Simple Matrix family of encryption schemes whi...
Revised Quantum Resistant Public Key Encryption Scheme RLCE and IND-CCA2 Security for McEliece Schemes
public-key cryptography code based public key encryption
2017/3/2
Recently, Wang (2016) introduced a random linear code based quantum resistant public encryption scheme RLCE which is a variant of McEliece encryption scheme. In this paper, we introduce a revised vers...
Software Implementation of 2-Depth Pairing-based Homomorphic Encryption Scheme
homomorphic encryption pairing-based cryptography
2017/2/20
We propose a software implementation of a variant of Boneh-Goh-Nissim scheme \cite{BGN05} with multiplicative depth 22, {whereas the original one only tackled multiplicative depth 11}. We employ toget...
Preventing Adaptive Key Recovery Attacks on the Gentry-Sahai-Waters Leveled Homomorphic Encryption Scheme
Levelled homomorphic encryption adaptive attacks
2016/12/26
A major open problem is to protect leveled homomorphic encryption from adaptive attacks that allow an adversary to learn the private key. The only positive results in this area are by Loftus, May, Sma...
Homomorphic encryption allows to make specific operations on private data which stays encrypted. While applications such as cloud computing require to have a practical solution, the encryption scheme ...
An Attribute-Based Anonymous Broadcast Encryption Scheme with Adaptive Security in the Standard Model
Broadcast Encryption Ciphertext-Policy Attribute-Based Encryption (CP-ABE) Access Structure
2016/12/7
In broadcast encryption schemes, a distribution center broadcasts an encrypted message to a subset SS chosen from a universe of receivers and only the intended users are able to decrypt the message. M...