One way hash: Difference between revisions
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A [[One way hash]] is a mathematical way to create a (usually smaller) unique representation of a given set of data. It's sometimes referred to as a "fingerprint". It's called "One Way" because while it's easy to create the hash value from the input data, it is, for all intents and purposes, impossible to reconstruct the original data from the hash value. [[MD5]] is perhaps the most well-known [[One way hash]]. [[SHA]] | A [[One way hash]] is a mathematical way to create a (usually smaller) unique representation of a given set of data. It's sometimes referred to as a "fingerprint". It's called "One Way" because while it's easy to create the hash value from the input data, it is, for all intents and purposes, impossible to reconstruct the original data from the hash value. [[MD5]] is perhaps the most well-known [[One way hash]]. [[SHA]] and [[MD5]] are popular examples of a one way hash. | ||
Revision as of 22:02, 26 October 2005
A One way hash is a mathematical way to create a (usually smaller) unique representation of a given set of data. It's sometimes referred to as a "fingerprint". It's called "One Way" because while it's easy to create the hash value from the input data, it is, for all intents and purposes, impossible to reconstruct the original data from the hash value. MD5 is perhaps the most well-known One way hash. SHA and MD5 are popular examples of a one way hash.
