Hash-based message authentication code (HMAC)

wikipedia:HMAC is used to verify data integrity and authenticity of a message using a cryptographic hash function and a secret cryptographic key.

HMAC is used within the IPsec, SSH and TLS protocols and for JSON Web Tokens.

TLS Error: cannot locate HMAC in incoming packet from [AF_INET6]::ffff:10.156.0.97:45318

Related

• Webhook
• HMAC API from AWS Key Management Service
• Terraform provider: dns: hmac-md5
• OATH
• HTTP Message Signatures
• HMAC-SHA256
• JWT

See also

• Cypher: Hash, MD5, SHA, Bcrypt, Blowfish, HMAC, Equihash, Argon2
• Authentication, AAA, MFA, OpenID, OAuth, OATH, PAM, Personal access token, CWE: Broken Access Control, PAT, Mutual authentication, Federated authentication, IdP, Amazon Cognito, Phone to sign in, Firebase Authentication, Auth0, WebAuthn, Web3auth, Challenge-response, Passwordless authentication, HMAC, HOTP, TOTP, OATH