pre-image

(redirected from Preimage attack)
Also found in: Wikipedia.

pre-image

[¦prē′im·ij]
(mathematics)
For a point y in the range of a function ƒ, the set of points x in the domain of ƒ for which ƒ(x) = y.
For a subset A of the range of a function ƒ, the set of points x in the domain of ƒ for which ƒ(x) is a member of A. Also known as inverse image.
Mentioned in ?
References in periodicals archive ?
Then Sasaki proposed a (second) preimage attack on the 5-round Whirlpool hash function in 2011 [8], and the complexity of his attack was improved by Wu et al.
Zou: "(Pseudo) preimage attack on round-reduced Grostl hash function and others," in Proc.
Sasaki: "Meet-in-the-middle preimage attacks on AES hashing modes and an application to Whirlpool," in Proc.