Match the following cryptographic algorithms with their design issues :
Match the following cryptographic algorithms with their design issues :
List-I
(a) DES
(b) AES
(c) RSA
(d) SHA-1
List-II
(i) Message Digest
(ii) Public Key
(iii) 56-bit key
(iv) 128-bit key
Codes : a b c d
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Correct answer: (C) iii iv ii i
Explanation
(a) DES : DES is an implementation of a fiestel cipher. It uses 16 round fiestel structure. DES has an effective key length of 56 bits. (b) AES : The more popular and widely adopted symmetric encryption algorithm is AES. The features of AES is symmetric key symmetric block cipher and it has 128 bit key. (c) RSA : RSA algorithm works on two different keys i.e public key & private key. As the name public key given to everyone & private key is kept private. (d) SHA-1 : It is message digest.