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• A specific construction for calculating a message authentication code (MAC) involving a cryptographic hash function in combination with a secret key. You can use it to verify both the data integrity and the authenticity of a message at the same time. AWS calculates the HMAC using a standard, cryptographic hash algorithm, such as SHA-256.

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  Cite Definition for Hash-based Message Authentication Code (HMAC)

  American Psychological Association (APA)

  Hash-based Message Authentication Code (HMAC). (n.d.). AWS ElastiCache User Guide Glossary. Retrieved March 24, 2023, from website: http://www.expertglossary.com/definition/hash-based-message-authentication-code-hmac.

  Chicago Manual of Style (CMS)

  Hash-based Message Authentication Code (HMAC). docs.aws.amazon.com. AWS ElastiCache User Guide Glossary. Amazon. http://www.expertglossary.com/definition/hash-based-message-authentication-code-hmac (accessed: March 24, 2023).

  Modern Language Association (MLA)

  "Hash-based Message Authentication Code (HMAC)." AWS ElastiCache User Guide Glossary. Amazon. 24 March. 2023 http://www.expertglossary.com/definition/hash-based-message-authentication-code-hmac.

• Browse Related Terms: 100-continue, access identifiers, access key rotation, certificate, credentials, Hash-based Message Authentication Code (HMAC), key pair, mapper, Sandbox, user

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