Question 1

the most widely used cipher ever is the __________ .

Accepted Answer

The answer of the most widely used cipher ever is...

Question 2

the __________ consist of a set of independently rotating cylinders through which
electrical pulses can flow.Each cylinder has 26 input pins and 26 output pins with internal wiring that connects each input pin to a unique output pin.

Accepted Answer

The answer of the __________ consist of a set of...

Question 3

the simplest transposition cipher is the _________ technique, in which the plaintext is written down as a sequence of diagonals and then read off as a sequence of rows.

Accepted Answer

The answer of the simplest transposition cipher is the _________...

Question 4

the best known multiple letter encryption cipher is the __________ , which treats digrams in the plaintext as single units and translates these units into ciphertext digrams.

Accepted Answer

The answer of the best known multiple letter encryption cipher...

Question 5

the task of making large quantities of random keys on a regular basis and distributing a key of equal length to both sender and receiver for every message sent are difficulties of the __________ scheme.

Accepted Answer

The answer of the task of making large quantities of...

Quiz 3: Classical Encryption Techniques

the most widely used cipher ever is the __________ .

the __________ consist of a set of independently rotating cylinders through which electrical pulses can flow.Each cylinder has 26 input pins and 26 output pins with internal wiring that connects each input pin to a unique output pin.

the simplest transposition cipher is the _________ technique, in which the plaintext is written down as a sequence of diagonals and then read off as a sequence of rows.

the best known multiple letter encryption cipher is the __________ , which treats digrams in the plaintext as single units and translates these units into ciphertext digrams.

the task of making large quantities of random keys on a regular basis and distributing a key of equal length to both sender and receiver for every message sent are difficulties of the __________ scheme.