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| Phân tích Giao thức TLS× | Trao đổi khóa Diffie-Hellman× | |
|---|---|---|
| Lĩnh vực | Mật mã học | Mật mã học |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1994 | 1976 |
| Người khởi xướng≠ | Netscape Communications Corporation, IETF | Whitfield Diffie, Martin Hellman |
| Loại≠ | Cryptographic transport protocol | Asymmetric key exchange algorithm |
| Công trình gốc≠ | Rescorla, E. (2018). The Transport Layer Security (TLS) Protocol Version 1.3. RFC 8446. link ↗ | Diffie, W., & Hellman, M. E. (1976). New directions in cryptography. IEEE Transactions on Information Theory, 22(6), 644–654. DOI ↗ |
| Tên gọi khác≠ | TLS/SSL Protocol, HTTPS Security, Secure Transport Layer | DH Key Exchange, Diffie-Hellman Key Agreement |
| Liên quan | 4 | 4 |
| Tóm tắt≠ | The Transport Layer Security (TLS) protocol is the cryptographic standard that secures web communication and email transmission. Evolved from SSL (Secure Sockets Layer), TLS provides authentication, encryption, and integrity protection for data in transit. The protocol combines public-key cryptography (RSA, ECDH) for key agreement, symmetric encryption (AES) for bulk data, and digital signatures (SHA-256) for authentication. | The Diffie-Hellman key exchange, invented by Whitfield Diffie and Martin Hellman in 1976, is a foundational protocol for establishing a shared secret over an insecure communication channel. Two parties who have never previously communicated can use Diffie-Hellman to agree on a symmetric encryption key that an eavesdropper cannot easily derive, even after observing all public exchanges. |
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