[PDF] Top 20 Generic Construction of Certificate Based Encryption from Certificateless Encryption Revisited

... Contributions. By confirming the provable security of Al-Riyami- Paterson conversion, the contributions of this paper are two-fold. In practice, it means that many concrete CBE schemes can be constructed in batch ... See full document

... generated from their private ...lattice- based SR-IBE scheme by combining the ideas of Chen et ...non-black-box construction of SR-IBE from computational Diffie-Hellman ... See full document

... attribute- based certificateless encryption scheme, and a generic construction is ...the generic construction is at least the same as the attribute-based ... See full document

... and certificate management[3]. The Identity-based Public Key Cryptography(ID- PKC) [4] came to address these two problems, but could not offer true non- repudiation due to the key escrow problem[3, ... See full document

... Abstract. Certificateless signature was proposed by Al-Riyami and Pa- terson to eliminate the certificate management in the public-key infras- tructures and solve the key escrow problem in the ... See full document

... adversary from using the secret key to access the information of ...the certificate revocation list (CRL) since a sender can check the validity of a receiver’s certificate before he sends a ...user’s ... See full document

... environments, private key exposure seems to be inevitable. Actually, it is much easier for an adversary to obtain the private key from a naive user than to break the computational assumption on which the ... See full document

... constructed based on either the traditional public key cryptography (PKC) [1], [3], [6], [11] or identity-based public key cryptography (IBC) [9] system, they would suffer from some key management ... See full document

... scheme based on the BF- IBE scheme [23] and proved its security in the random oracle model [18,19], there are different variants or improvements proposed in the literature later ...IBE, certificateless ... See full document

... double encryption technique, reduces the number of calls to sampling algorithm, and is proved to be more ...a generic construction of SR-IBE scheme, the security of which inherits those of the ... See full document

... independently from the work of certificate based cryptography, the concept of certificateless encryp- tion (CLE) and certificateless signature (CLS) were introduced by Al-Riyami and ... See full document

... scenario, certificateless proxy re-encryption provides an efficient solution by avoiding the certificate management problem in the PKI based setting and the key escrow problem in the ... See full document

... of encryption duration and meta information is indeed caused by the policy format, we also run the experiment using poli- cies in disjunctive normal ...in encryption duration and performs even faster than ... See full document

... Although cloud computing has brought many benefits to the IT companies, but the most important drawback concerning the cloud is security and privacy of the outsourced data so cloud data security is a major concern for ... See full document

... proposing encryption techniques. In encryption, data is manipulated in such a way that intruders cannot access the original ...image encryption scheme via Intertwining and Nonlinear Chaotic Maps ... See full document

... suffer from what we informally (for now) term “replay” ...of encryption, for example, an attacker can always record an ‘old’ ciphertext, and then manage to decrypt it much ...protocols from ... See full document

... Attribute-based encryption (ABE) is a public-key based one to many encryptions that allows users to encrypt and decrypt data based on user attributes ... See full document

... Designing an encryption system to support a DFA-type functionality provides a new set of challenges. It is useful to compare them to those in building a boolean formula (ABE) type system. In existing ABE systems a ... See full document

... The mobile client transmits a target latitude/longitude coordinate and an LDEA key is obtained for data encryption to information server. The client can only decrypt the ciphertext when the coordinate acquired ... See full document

... weak encryption scheme by showing that cyphertext messages can be decrypted by elementary modular arithmetic, and stating that the procedure is independent of the Laplace ...the encryption scheme ... See full document