Kizspy | Question: 37
(Choose 2 answers)
Given any plaintext p, a cipher supporting asymmetric cryptography with an encryption function (Enc) and the corresponding decryption function (Dec), and the public-private key pair (Ki,ki) for any user i, which of the followings are true for a cipher that can be used for both message confidentiality and source integrity/signature, e.g., RSA cipher?
A. Dec(k1,Enc(k1,p))=p
B. Dec(K2,Enc(k2,p))=p
C. Dec(K1,Enc(k2,p))=p
D. Dec(k1,Enc(K1,p))=p