Two users need to send each other emails over unsecured channels. The system should support the principle of non repudiation. Which of the following should be used to sign the user’s certificates?
A. RA
B. CA
C. CRL
D. CSR
Answer:B
Two users need to send each other emails over unsecured channels. The system should support the principle of non repudiation. Which of the following should be used to sign the user’s certificates?
A. RA B. CA C. CRL D. CSR