Which of the following security services are provided if a sender encrypts a message digest with her private key? (multiple answers apply)
A.
Integrity
B.
Confidentiality
C.
Authentication
D.
Corruption
Explanation:
This is a digital signature. Integrity is provided by hashing the
algorithm and authentication is provided by encrypting that value with the senders
private key. If the receiver can decrypt the encrypted data with the senders public
key, then she knows that it was encrypted with the senders private key.
ummm, multiple answers do not apply (-;
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@ Admin: If we need to select multiple answers then answer’s would be A & C.
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You’re right. Fixed.
Thanks so much.
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