HMAC

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  • The keyed-HMAC is a security tool primarily used to ensure authentication and data integrity in information systems and computer networks.[1]
  • Many message authentication codes like HMAC depend on its underlying cryptographic algorithm.[2]
  • In this paper, it presents a method of solving the issue by applying BCrypt Expensive Key Setup function to derive the secret key of HMAC.[2]
  • Another method used to provide integrity is with a Hash-based Message Authentication Code (HMAC).[3]
  • An HMAC is a fixed-length string of bits similar to other hashing algorithms such as MD5 and SHA-1 (known as HMAC-MD5 and HMAC-SHA1).[3]
  • The HMAC provides both integrity and authenticity of messages.[3]
  • HMAC verifies both the integrity and authenticity of a message with the use of a shared secret.[3]
  • Once the server receives the request and regenerates its own unique HMAC, it compares the two HMACs.[4]
  • HTTPS, SFTP, FTPS, and other transfer protocols use HMAC.[5]
  • The client makes a unique hash (HMAC) for every request.[5]
  • When the server receives request, it makes its own HMAC.[5]
  • In HMAC we have to apply the hash function along with a key on the plain text.[5]
  • To go for hMAC, we need to understand the rudimentary one, the MAC algorithm.[6]
  • HMAC can provide digital signatures using a shared secret instead of public key encryption.[7]
  • HMAC uses two passes of hash computation.[7]
  • The second pass produces the final HMAC code derived from the inner hash result and the outer key.[7]
  • HMAC does not encrypt the message.[7]
  • By default, this overload uses the SHA-1 implementation of HMAC.[8]
  • HMAC objects take a key and a HashAlgorithm instance.[9]
  • A new instance of HMAC that can be updated and finalized independently of the original instance.[9]
  • The algorithm takes a key and data of any length as input, and produces HMAC code with length defined by the underlying hash function.[10]
  • The most flexible way of using the HMAC module is using the nrf_crypto_init, nrf_crypto_hmac_update, and nrf_crypto_hmac_finalize functions.[10]
  • Enable nrf_crypto backed for HMAC in SDK configuration header file.[10]
  • This will populate the digest buffer with the calculated HMAC.[10]
  • Abstract This document describes HMAC, a mechanism for message authentication using cryptographic hash functions.[11]
  • HMAC can be used with any iterative cryptographic hash function, e.g., MD5, SHA-1, in combination with a secret shared key.[11]
  • The cryptographic strength of HMAC depends on the properties of the underlying hash function.[11]
  • We refer to that work for the details on the rationale and security analysis of HMAC, and its comparison to other keyed-hash methods.[11]
  • Hash-based Message Authentication Code (HMAC) is used to verify the data integrity and authenticity of a message transmitted.[12]
  • Definition - What does Hashed Message Authentication Code (HMAC) mean?[13]
  • HMAC is a computed "signature" often sent along with some data.[14]
  • The HMAC is used to verify (authenticate) that the data has not been altered or replaced.[14]
  • In the example above, the small locked box represents an HMAC.[14]
  • The above metaphors describe why HMACs are needed but not so much how they work.[14]
  • The HMAC is attached to the request in the Kindly-HMAC header.[15]

소스

  1. ↑ Enhanced key generation algorithm of hashing message authentication code
  2. ↑ 2.0 2.1 An Enhanced Hash-based Message Authentication Code using BCrypt
  3. ↑ 3.0 3.1 3.2 3.3 Hash-based Message Authentication Code
  4. ↑ What is Hash-based Message Authentication Code (HMAC)?
  5. ↑ 5.0 5.1 5.2 5.3 What is HMAC(Hash based Message Authentication Code)?
  6. ↑ What Is Hash-Based Message Authentication?
  7. ↑ 7.0 7.1 7.2 7.3 Wikipedia
  8. ↑ HMAC.Create Method (System.Security.Cryptography)
  9. ↑ 9.0 9.1 Hash-based message authentication codes (HMAC) — Cryptography 3.4.dev1 documentation
  10. ↑ 10.0 10.1 10.2 10.3 Hash-based message authentication code
  11. ↑ 11.0 11.1 11.2 11.3 HMAC: Keyed-Hashing for Message Authentication
  12. ↑ HMac
  13. ↑ What is a Hashed Message Authentication Code (HMAC)?
  14. ↑ 14.0 14.1 14.2 14.3 How and when do I use HMAC?
  15. ↑ Checking webhook signatures (HMACs)

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Spacy 패턴 목록

  • [{'LOWER': 'hash'}, {'OP': '*'}, {'LOWER': 'based'}, {'LOWER': 'message'}, {'LOWER': 'authentication'}, {'LEMMA': 'code'}]
  • [{'LOWER': 'keyed'}, {'OP': '*'}, {'LOWER': 'hash'}, {'LOWER': 'message'}, {'LOWER': 'authentication'}, {'LEMMA': 'code'}]
  • [{'LEMMA': 'HMAC'}]
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