Mono-alphabetic and Playfair cipher
Define: a) Mono-alphabetic cipher b) Playfair cipher c) Transposition cipher
Define:
a) Mono-alphabetic cipher
b) Playfair cipher
c) Transposition cipher
Expert
a) Mono-alphabetic cipher : A mono-alphabetic cipher maps the plain alphabet to the cipher alphabet. In this, the single cipher alphabet is used per message. b) Playfair cipher : The best-known multiple-letter encryption cipher refers to the playfair, that treats the diagrams within the plain text as single units and transforms these units into the cipher text diagrams. c) Transposition cipher : Transposition cipher refers to a cipher that is achieved by carrying out some sort of the permutation over the plaintext letters.
Specify the ways through which the secret keys may be distributed to the two communicating parties.
State the difference between equivalent inverse cipher and AES decryption algorithm?
Specify the common mathematical constants which are used in RC5?
Explain the term Security Requirements and Attacks in network security.
Specify key size for the Blowfish?
Explain the term triple encryption?
Explain the Key Expansion Algorithm.
Explain the term Kerberos.
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