橢圓曲線迪菲-赫爾曼金鑰交換




橢圓曲線迪菲-赫爾曼金鑰交換英语:Elliptic Curve Diffie–Hellman key Exchange,縮寫為ECDH),一種匿名的密鑰合意協議(Key-agreement protocol)。在這個協定下,雙方通過迪菲-赫尔曼密钥交换演算法,利用由橢圓曲線加密建立的公鑰與私鑰對,在一個不安全的通道中,建立起安全的共有加密資料。這是迪菲-赫尔曼密钥交换的變種,採用橢圓曲線加密來加強安全性。[1][2][3]



密鑰建立協議



註釋





  1. ^ NIST, Special Publication 800-56A, Recommendation for Pair-Wise Key Establishment Schemes Using Discrete Logarithm Cryptography, March, 2006.


  2. ^ Certicom Research, Standards for efficient cryptography, SEC 1: Elliptic Curve Cryptography, Version 2.0, May 21, 2009.


  3. ^ NSA Suite B Cryptography, Suite B Implementers' Guide to NIST SP 800-56A, July 28, 2009.






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