多项选择题

A.Asymmetric ciphers use pre-shared keysB.Symmetric cip……

Asymmetric and symmetric ciphers differ in which of the following way（s）？（）

A.Asymmetric ciphers use pre-shared keys
B.Symmetric ciphers are faster to compute
C.Asymmetric ciphers are faster to compute
D.Asymmetric ciphers use public and private

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