[PDF] Top 20 Deterministic Public-Key Encryption under Continual Leakage

... unbounded leakage on the system’s secret ...above, leakage-resilient schemes for several tasks in a variety of leakage models are now known, ...identity-based encryption [BKKV10, CDRW10, ... See full document

... the leakage setting. To prove the security of the R-Dual-Regev encryption scheme under leakage, we extend the regularity theorem to settings in which x is chosen from a distribution D, which ... See full document

... A deterministic identity-based encryption (D-IBE) scheme is an identity-based encryption [22] scheme with deterministic encryption ...definition under high min-entropy into the ... See full document

... pre-challenge leakage and tampering ...(bounded) leakage from the secret key and access to a restricted (tampered) decryption oracle (even if both leakage and tampering happens after observing ... See full document

... We give a definitional framework for point-function obfuscation in which security is parame- terized by a class of algorithms we call target generators. Existing and new notions are captured and explained as ... See full document

... 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 ... See full document

... Technical hurdles. For illustrative discussions, let us consider the Kurosawa- Desmedt scheme which is IND-CCA secure under the DDH assumption [8]. It serves as a warm up for our generic construction although the ... See full document

... of Public-Key Encryption (PKE) in the presence of bounded key-leakage, from any universal hash proof system (due to Cramer and Shoup) and any one-time lossy filter (a simplified version ... See full document

... Certificate-based encryption (CBE) is an important class of public key encryption but the existing schemes are secure only under the premise that the decryption key (or private ... See full document

... same key for both invocations of ...H key is not only an optimization in key size but also avoids using multi-key variants of UCE [8] and is important to prove security under UCE[S sup ... See full document

... these public key settings mentioned above (including conventional, ID-based and certificateless) were modeled under the assump- tion that both the system’s and users’ private (or se- cret) keys are ... See full document

... total leakage is somewhat unreasonable since usually it is not known how many times the system will be ...for leakage attacks, therefore, seems to be the continual memory leakage ...its ... See full document

... master-key leakage sID-CPA ...master- key leakage sID-CPA secure with leakage rate 1 − o(1), but without any rigorous ...only key leakage queries, but also identities’ ... See full document

... The goals of security can be threatened by security attacks. Snooping and traffic analysis of attacks threaten the confidentiality of information. The integrity of data can be threatened by modification, masquerading, ... See full document

... Once the implementation of RSA completed it was then possible to create a digital signature algorithm based upon it. Digital signatures offer two main benefits. First, they provide an authentication mechanism. If a ... See full document

... overall leakage given to the attacker is a-priori upper bounded by L bits, where L is somewhat less than the secret key length n log ...to leakage-resilient cryptography, so far we could only get ... See full document

... Decryption operation for both “off-line” and “on-line” encryption will require one regular exponentiation as in the case with “on-line” encryption and one multiplication or one XOR operation. Signature ... See full document

...  message authentication & hash functions message authentication & hash functions  public-key encryption public-key encryption.  digital signatures and key management digital s[r] ... See full document

... *) A data encryption protocol, where the data is encrypted using symmetric encryption and the symmetric encryption key is encrypted using public key encryption is called as ”hybrid encry[r] ... See full document

... image encryption results in higher efficiency. The key properties of the chaotic systems are sensitive dependence on the system parameters, pseudorandom property, ...image encryption is depicted in ... See full document