A digital signature is a type of public key cryptography. Which of the following statements are true
about digital signatures? Each correct answer represents a complete solution. Choose all that apply.
A.
In order to digitally sign an electronic record, a person must use his/her public key.
B.
In order to verify a digital signature, the signer’s private key must be used.
C.
In order to digitally sign an electronic record, a person must use his/her private key.
D.
In order to verify a digital signature, the signer’s public key must be used.
Explanation:
A digital signature is a type of public key cryptography. It is used for the following
purposes:
To identify the person signing a document
To authenticate the identity of the sender of a message
To digitally sign an electronic record by using one’s private key
To verify a digital signature by using the signer’s public key