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Questions tagged [davis-meyer]

Davis-Meyer is a method to construct a one-way compression function from a block cipher.

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852 views

SHACAL in SHA-256

I was reading about hash functions, namely SHA, and I read that it is made of the Merkle-Damgård construction. And then the text said that the compression function used is based on the Davis-Meyer ...
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Why are the Davies-Meyer and Miyaguchi-Preneel constructions secure?

The Davies-Meyer compression function $h(H, m) = E_m(H) \oplus H$ is said to be secure. So too is the Miyaguchi-Preneel compression function $h(H, m) = E_m(H) \oplus m \oplus H$. Why are these ...