# Preimage Resistance

Preimage Resistance definition in **Computer Security** terms:

Acronym(s): *None*

Definition(s): An expected property of a cryptographic hash function such that, given a randomly chosen message digest, message_digest, it is computationally infeasible to find a preimage of the message_digest,.

**Source(s):** NIST SP 800-106

An expected property of a hash function such that, given a randomly chosen message digest, message_digest, it is computationally infeasible to find a preimage of the message_digest.

**Source(s):** NIST SP 800-107 (Superceded by Rev. 1)

Synonym(s): *None*

reference: CSRC Glossary

Tags: computer security

Categorised in: What is
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