Match the type of cipher with its description.

Prompts

Answers

Question $6$

$1$

Substitution cipher

Symmetric$-$key ciphers are plaintext digits combined with a key $($pseudorandom cipher digit$).$

Option $01,$ selected.

Question $6$

$2$

Transposition cipher

Letters in the plaintext are rearranged according to a regular system to produce the ciphertext.

Option $31,$ selected.

Question $6$

$3$

Symmetric$-$key algorithms $($Private$-$key cryptography$)$

Use the same key for encryption and decryption.

Option $11,$ selected.

Question $6$

$4$

Asymmetric$-$key algorithms $($Public$-$key cryptography$)$

Select match

Question $6$

$5$

Block cipher

Select match

Question $6$

$6$

Stream cipher