U.S. flag   An unofficial archive of your favorite United States government website
Dot gov

Official websites do not use .rip
We are an unofficial archive, replace .rip by .gov in the URL to access the official website. Access our document index here.

Https

We are building a provable archive!
A lock (Dot gov) or https:// don't prove our archive is authentic, only that you securely accessed it. Note that we are working to fix that :)

Computer Security Resource Center

Computer Security Resource Center

This is an archive
(replace .gov by .rip)
    Glossary
A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

collision

Definition(s):

  An event in which two different messages have the same message digest.
Source(s):
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.
Source(s):
NIST SP 800-38B under Collision

  In a given context, the equality of two values, usually out of a large number of possible values.
Source(s):
NIST SP 800-38F

  An instance of duplicate sample values occurring in a dataset.
Source(s):
NIST SP 800-90B under Collision

  Two or more distinct inputs produce the same output. Also see hash function.
Source(s):
NIST SP 800-57 Part 1 Rev. 5 under Collision
NIST SP 800-57 Part 1 Rev. 3 [Superseded] under Collision
NIST SP 800-57 Part 1 Rev. 4 [Superseded] under Collision