Linganisha mbinu
Pitia mbinu ulizochagua bega kwa bega; safu zinazotofautiana zinaangaziwa.
| HMAC× | Uchanganuzi wa Lini (Linear Cryptanalysis)× | |
|---|---|---|
| Nyanja | Kriptografia | Kriptografia |
| Familia | Machine learning | Machine learning |
| Mwaka wa asili≠ | 1997 | 1993 |
| Mwanzilishi≠ | Hugo Krawczyk | Mitsuru Matsui |
| Aina≠ | cryptographic authentication mechanism | linear approximation attack |
| Chanzo asilia≠ | Krawczyk, H., Bellare, M., & Crechanko, R. (1997). HMAC: Keyed-Hashing for Message Authentication. RFC 2104. link ↗ | Matsui, M. (1993). Linear cryptanalysis method for DES cipher. In Advances in Cryptology - EUROCRYPT 1993, LNCS 765, pp. 386-397. DOI ↗ |
| Majina mbadala≠ | HMAC, keyed hash function | linear attack, linear approximation, piling-up lemma |
| Zinazohusiana | 3 | 3 |
| Muhtasari≠ | HMAC (Hash-Based Message Authentication Code) is a cryptographic algorithm for authenticating messages using a secret key and a hash function. Standardized in RFC 2104 (1997), HMAC can be combined with any cryptographic hash function (SHA-256, SHA-3, etc.) to create a message authentication code (MAC). HMAC provides both data integrity and authentication, detecting both accidental corruption and deliberate tampering, and is widely used in web security (TLS/SSL), API authentication, and network protocols. | Linear cryptanalysis is a known-plaintext attack that exploits linear approximations of a cipher's non-linear transformations to recover secret key bits. Introduced by Mitsuru Matsui in 1993, linear cryptanalysis provides practical attacks on ciphers like DES with computational complexity less than brute force. The technique analyzes statistical biases in how linear combinations of plaintext and ciphertext bits relate to key bits, enabling key recovery with reduced data requirements. |
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