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Glossary of Security Terms: Hash

by Mozilla ContributorsSeptember 2nd, 2020

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Mozilla (stylized as moz://a) is a free software community founded in 1998 by members of Netscape. The hash function takes a variable length message input and produces a fixed-length hash output. It is commonly in the form of a 128-bit "fingerprint" or "message digest" Hashes are very useful for cryptography — they insure the integrity of transmitted data. This provides the basis for HMAC's, which provide message authentication. The function is commonly used in cryptography.

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The hash function takes a variable length message input and produces a fixed-length hash output. It is commonly in the form of a 128-bit "fingerprint" or "message digest". Hashes are very useful for cryptography — they insure the integrity of transmitted data. This provides the basis for HMAC's, which provide message authentication.