Alice wants to sign a long message M to Bob. Which one of the following is sent by Alice to Bob. Let Apk: Alice's public key Apr: Alice's private key Bpk: Bob's pu nonrepudiation. You selected this answer. Bpr: Bob's private key ECM, K) : Encryption the message M with the key K DCM, K) : Decryption the message M with the key K HCM) : Hash value of M Z (M) : Compressed value (maximum 10 percent of the original message) (Select all that apply.) a. A->B:H (E (M, Apk)), M b. A->B: E (E (M, Apr), Bpk) c. A->B: Z (E (M, Apr), Bpk) d. A->B: E (H (M), Apr), M. e. A->B: H (E (M, Apr)), M f. A->B: E (H (M), Apk), M e. A->B: E (Z (M), Apk), M
