An event in which two different messages have the same message digest.
NIST SP 800-106 under Collision
NIST SP 800-107 Rev. 1 under Collision
For a given function, a pair of distinct input values that yield the same output value.
NIST SP 800-38B under Collision
In a given context, the equality of two values, usually out of a large number of possible values.
NIST SP 800-38F
An instance of duplicate sample values occurring in a dataset.
NIST SP 800-90B under Collision
Two or more distinct inputs produce the same output. Also see hash function.
NIST SP 800-57 Part 1 Rev. 4 under Collision
NIST SP 800-57 Part 1 Rev. 3 under Collision [Superseded]