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| Hệ mật mã RSA× | HMAC× | |
|---|---|---|
| Lĩnh vực | Mật mã học | Mật mã học |
| Họ | Machine learning | Machine learning |
| Năm ra đời≠ | 1978 | 1997 |
| Người khởi xướng≠ | Ronald Rivest | Hugo Krawczyk |
| Loại≠ | asymmetric encryption algorithm | cryptographic authentication mechanism |
| Công trình gốc≠ | Rivest, R. L., Shamir, A., & Adleman, L. (1978). A method for obtaining digital signatures and public-key cryptosystems. Communications of the ACM, 21(2), 120-126. DOI ↗ | Krawczyk, H., Bellare, M., & Crechanko, R. (1997). HMAC: Keyed-Hashing for Message Authentication. RFC 2104. link ↗ |
| Tên gọi khác | RSA encryption, RSA public-key cryptography | HMAC, keyed hash function |
| Liên quan≠ | 4 | 3 |
| Tóm tắt≠ | RSA is a foundational public-key cryptosystem developed by Rivest, Shamir, and Adleman in 1978. It enables secure encryption and digital signatures by using a pair of mathematically linked keys: a public key for encryption and a private key for decryption. RSA's security relies on the computational difficulty of factoring large composite numbers into their prime factors. | 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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