The decisional Diffie–Hellman (DDH) assumption is a computational hardness assumption about a certain problem involving discrete logarithms in cyclic...

computational Diffie–Hellman (CDH) assumption is a computational hardness assumption about the Diffie–Hellman problem. The CDH assumption involves the...

The Diffie–Hellman problem (DHP) is a mathematical problem first proposed by Whitfield Diffie and Martin Hellman in the context of cryptography and serves...

difficulty of the Decisional Diffie Hellman Problem in G {\displaystyle G} . The algorithm can be described as first performing a Diffie–Hellman key exchange...

The external Diffie–Hellman (XDH) assumption is a computational hardness assumption used in elliptic curve cryptography. The XDH assumption holds if there...

where the decisional Diffie–Hellman assumption does not hold (as is often the case in pairing-based cryptography). The Decision Linear assumption was introduced...

assumptions. Its security is based on the computational intractability (widely assumed, but not proved) of the Decisional Diffie–Hellman assumption....

this assumption include the original Diffie–Hellman key exchange, as well as the ElGamal encryption (which relies on the yet stronger Decisional Diffie–Hellman...

proof for Dual EC DRBG, based on the assumed hardness of the Decisional Diffie–Hellman assumption, the x-logarithm problem, and the truncated point problem...

function f a ( x ) {\displaystyle f_{a}(x)} . Suppose the decisional Diffie–Hellman assumption holds for F p {\displaystyle \mathbb {F} _{p}} , Naor and...

symmetric system using that key. Examples of asymmetric systems include Diffie–Hellman key exchange, RSA (Rivest–Shamir–Adleman), ECC (Elliptic Curve Cryptography)...

computational Diffie-Hellman assumption alone. See decisional Diffie-Hellman assumption for a discussion of groups where the assumption is believed to...

agreement. The protocol consists of little more than a Diffie–Hellman key exchange where the Diffie-Hellman generator g is created from a hash of the password...

is secure. The proof relied on the assumption that three problems were hard: the decisional Diffie–Hellman assumption (which is generally accepted to be...

a publicly known base point is infeasible (the computational Diffie–Hellman assumption): this is the "elliptic curve discrete logarithm problem" (ECDLP)...

Davies attack • Davies–Meyer hash • DEAL • Decipherment • Decisional Diffie–Hellman assumption • Decorrelation theory • Decrypt • DeCSS • Defence Signals...

secrecy typically uses an ephemeral Diffie–Hellman key exchange to prevent reading past traffic. The ephemeral Diffie–Hellman key exchange is often signed by...

Agreement. R. Canetti, (Ed.) Vol. 18, No. 3, 2005 Chapter on the Decisional Diffie-Hellman Assumption. Encyclopedia of Cryptography and Security, H. van Tilborg...

De Danske Husmoderforeninger, Danish women's organization Decisional Diffie–Hellman assumption Department of Digital Humanities, at King's College London...

Logjam is a security vulnerability in systems that use Diffie–Hellman key exchange with the same prime number. It was discovered by a team of computer...

be secure: the decisional Diffie-Hellman problem, the x-logarithm problem, and the truncated point problem. The decisional Diffie-Hellman problem is widely...

Proof systems under the sub-group hiding, decisional linear assumption, and external Diffie–Hellman assumption that allow directly proving the pairing product...

Unlike more widely used and known public-key schemes such as the RSA, Diffie-Hellman or elliptic-curve cryptosystems — which could, theoretically, be defeated...

relies on the Strong Diffie Hellman assumption (SDH) and a new assumption in bilinear groups called the Decision linear assumption (DLin). A more formal...

criticism received from public-key cryptography pioneers Martin Hellman and Whitfield Diffie, citing a shortened key length and the mysterious "S-boxes" as...

generalizations of the computational Diffie–Hellman problem are believed to be infeasible while the simpler decisional Diffie–Hellman problem can be easily solved...

can be reduced to solving some hard mathematical problem (e.g., Decisional Diffie-Hellman or the Quadratic Residuosity Problem). Other, semantically insecure...

for currently used public key algorithms like RSA and Elliptic Curve Diffie-Hellman which require public key sizes of 3072 bits and 256 bits, respectively...

"Quantum Resistant Public Key Exchange: The Supersingular Isogenous Diffie-Hellman Protocol – CoinFabrik Blog". blog.coinfabrik.com. 13 October 2016. Archived...

(q(x)(x-i))} . That would violate the computational Diffie–Hellman assumption, a foundational assumption in elliptic-curve cryptography. We instead use a...