What three things must the receiver of a digital certificate check to ensure that a digital certificate is valid?
A. Digital certificate is authentic
True's party public key
Certificate serial number
B. Digital certificate is authentic
True's party public key
If certificate is revoked
C. Digital certificate is authentic
Valid period
If certificate is revoked
D. Digital certificate is authentic
True's party public key
True's party name
C. Digital certificate is authentic
Valid period
If certificate is revoked
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