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| AES (Rijndael)× | HMAC× | |
|---|---|---|
| Lĩnh vực | Mật mã học | Mật mã học |
| Họ | Machine learning | Machine learning |
| Năm ra đời≠ | 2001 | 1997 |
| Người khởi xướng≠ | Joan Daemen | Hugo Krawczyk |
| Loại≠ | symmetric encryption algorithm | cryptographic authentication mechanism |
| Công trình gốc≠ | Daemen, J., & Rijmen, V. (2002). The Design of Rijndael: AES - The Advanced Encryption Standard. Springer-Verlag. ISBN: 978-3540425809 | Krawczyk, H., Bellare, M., & Crechanko, R. (1997). HMAC: Keyed-Hashing for Message Authentication. RFC 2104. link ↗ |
| Tên gọi khác≠ | Rijndael, AES encryption, FIPS 197 | HMAC, keyed hash function |
| Liên quan≠ | 4 | 3 |
| Tóm tắt≠ | The Advanced Encryption Standard (AES), also known as Rijndael, is a symmetric block cipher adopted as the official encryption standard by the U.S. government in 2001. It processes data in 128-bit blocks using 128, 192, or 256-bit keys and performs multiple rounds of substitution, permutation, and mixing operations. AES is the most widely used symmetric encryption algorithm today, securing everything from government communications to everyday internet traffic. | 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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