When sending messages using symmetric encryption, which of the following must happen FIRST?
A. Exchange encryption key
B. Establish digital signatures
C. Agree on an encryption method
D. Install digital certificates
When sending messages using symmetric encryption, which of the following must happen FIRST?
A. Exchange encryption key
B. Establish digital signatures
C. Agree on an encryption method
D. Install digital certificates
The answer might be A. The encryption method is already agreed – symmetric.