Unverified50% confidenceFactExact time
HMAC is an algorithm that computes a message authentication code using a cryptographic hash function together with a key, and it is defined in RFC 2104.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAn HMAC audit chain is a tamper-proof logging technique based on Hash-based Message Authentication Code (HMAC), used to ensure the integrity and authenticity of audit records.80% similarUnverifiedHMAC-SHA256 is a message authentication code based on the SHA-256 hash function and a key, used to verify message integrity and authenticity; its tamper-evidence depends on key management, and if the key leaks the tamper-evidence property fails.78% similarUnverifiedThe algorithm confusion attack between RS256 and HS256 can allow an attacker to use the public key as an HMAC secret to forge tokens that the server will accept as valid.65% similarUnverifiedAegisKernel cryptographically signs every blocked attack with a SHA-256 HMAC, providing a verifiable audit record.64% similarUnverified企业级接口通常涉及多层安全机制：JWT用于无状态身份认证，OAuth 2.0处理第三方授权，HMAC-SHA256负责请求签名防篡改，AES/RSA用于敏感参数加密63% similar
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