A. Universal forgery
B. Total break
C. Selective forgery
D. Existential forgery

A. Easy to produce
B. Easy to recognize
C. Easy to verify
D. Computationally feasible

A. Source and destination
B. Source and third party
C. Destination and third party
D. Source and destination and third party

A. Signature key is of signing and public key for verification
B. Public key for verification and signature is for authentication
C. Signature key is for verification and public key for signing
D. Both signing and verification is done by public key

A. Time saving
B. Security
C. Time saving and computationally less expensive
D. Secured and less time requires

A. Message authentication
B. Data integrity
C. Non-repudiation
D. Security of the message

A. Ecdsa
B. Dsa
C. Rsa pss
D. Rsa

A. Ecdsa
B. Dsa
C. Rsa €? pss
D. Sha

A. 1993
B. 1992
C. 1991
D. 1990

A. True
B. False
C.
D.