来自Tom's Hardware网站的回答。大意是开启后可以防止选择密文攻击。
懒得翻译原文,懂的自己看:
EDCCA stands for Enhanced Detectable Chosen Ciphertext and Applications.
Its goal is to prevent a Chosen-ciphertext attack
https://en.wikipedia.org/wiki/Chosen-ciphertext_attack.
A chosen-ciphertext attack (CCA) is an attack model for cryptanalysis where the cryptanalyst can gather information by obtaining the decryptions of chosen ciphertexts. From these pieces of information the adversary can attempt to recover the hidden secret key used for decryption.
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