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| Κρυπτογραφία Ελλειπτικών Καμπυλών× | HMAC× | |
|---|---|---|
| Πεδίο | Κρυπτογραφία | Κρυπτογραφία |
| Οικογένεια | Machine learning | Machine learning |
| Έτος προέλευσης≠ | 1985 | 1997 |
| Δημιουργός≠ | Neal Koblitz | Hugo Krawczyk |
| Τύπος≠ | asymmetric encryption and key agreement | cryptographic authentication mechanism |
| Θεμελιώδης πηγή≠ | Miller, V. S. (1985). Use of Elliptic Curves in Cryptography. In Proceedings of the Advances in Cryptology - CRYPTO 1985, LNCS 218, pp. 417-426. DOI ↗ | Krawczyk, H., Bellare, M., & Crechanko, R. (1997). HMAC: Keyed-Hashing for Message Authentication. RFC 2104. link ↗ |
| Εναλλακτικές ονομασίες | ECC, elliptic curve cryptosystem | HMAC, keyed hash function |
| Συναφείς | 3 | 3 |
| Σύνοψη≠ | Elliptic Curve Cryptography (ECC) is a public-key cryptosystem based on the algebraic structure of elliptic curves over finite fields. Proposed independently by Neal Koblitz and Victor Miller in 1985, ECC offers equivalent security to RSA with much smaller key sizes. Modern cryptography increasingly favors ECC for its efficiency: a 256-bit ECC key provides security comparable to a 2048-bit RSA key, making it ideal for constrained environments and high-performance systems. | 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. |
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