1 ECDSA(Elliptic Curve Digital Signature Algorithm)技術無法提供的安全功能為何?
(A)鑑別性(authentication)
(B)機密性(confidentiality)
(C)完整性(integrity)
(D)不可否認性(non-repudiation)
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統計: A(14), B(16), C(4), D(13), E(0) #1426957
統計: A(14), B(16), C(4), D(13), E(0) #1426957