info@avatto.com
+91-9920808017
61. Suppose that (G, +) and (H, .) are abelian groups. A pairing is a ______ mapping e: G x G → that e(ag1, bg2) = ________ for all g1, g2 ∈ G and for all integers a, b.
degenerate, e(g1, g2)a+b
non-degenerate, e(g1, g2)a+b
degenerate, e(g1, g2)ab
non-degenerate, e(g1, g2)ab
Your email address will not be published. Required fields are marked *
Report
Name
Email
Website
Save my name, email, and website in this browser for the next time I comment.
Comment
62. Input block size of SHA-1 is
512
160
128
256
63. Let P, C, K denote plaintext space, ciphertext space and key space respectively. In Shift Cipher P = C = K = Z26. For 0 ≤ k ≤ 25 encryption function ek is defined by ek(x) = ______ mod 26 and decrypt fuction dk is defined by dk(x) = ____ mod 26.
(x + k), (x - k)
(-x + k), (x - k)
(x + k), (-x - k)
(-x - k), (x - k)
64. In Caesar Cipher encryption function ek is defined by ek(x) = ______ mod 26
(x - 3)
(-x + 3)
(x + 3)
(-x - 3)
65. What is the ciphertext for the plaintext "CRYPTOGRAPHY" using Caesar Cipher?
JUDSKBFUBSWR
DSKBFUBSWRJU
KBFUBSWRJUDS
FUBSWRJUDSKB
Login with Facebook
Login with Google
Forgot your password?
Lost your password? Please enter your email address. You will receive mail with link to set new password.
Back to login
