HMAC
Computer communications authentication algorithm
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Why this is trending
Interest in “HMAC” spiked on Wikipedia on 2026-07-21.
Categorised under Technology, this article fits a familiar pattern. wt.cat.technology.2
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Key Takeaways
- In cryptography, an HMAC is a specific type of message authentication code (MAC) involving a cryptographic hash function and a secret cryptographic key.
- An HMAC is a type of keyed hash function that can also be used in a key derivation scheme or a key stretching scheme.
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Source summary
WikipediaIn cryptography, an HMAC is a specific type of message authentication code (MAC) involving a cryptographic hash function and a secret cryptographic key. As with any MAC, it may be used to simultaneously verify both the data integrity and authenticity of a message. An HMAC is a type of keyed hash function that can also be used in a key derivation scheme or a key stretching scheme.
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