What is the unicity distance of the caesar cipher

Assignment Help Chemical Engineering

Reference no: EM131173235

Assume that the English language has an information rate of 1.5 bits per letter. What is the unicity distance of the Caesar cipher, when applied to an English text? Answer the same question for the Vigenère cryptosystem with key length r.

Reference no: EM131173235

Questions Cloud

How many plaintext blocks will be affected : Consider a block cipher that is used in cipher block chaining mode. Suppose that during transmission, the Ci i-th ciphertext block, is corrupted. How many plaintext blocks will be affected? Answer the same question for the case of cipher feedback ..

Consider two period endowment economy with government : Consider a two period endowment economy with government. Suppose the government can impose lumpsum taxes and issue public debt. De?ne a sequential competitive equilibrium for this economy. De?ne a Arrow Debreu competitive equilibrium for this economy..

What is the next sensible block length of idea : What is the next sensible block length of IDEA, if the same scheme and the same primitives are being used, but only the length of the registers is increased? (This length is 16 in IDEA.) What is wrong with the intermediate values?

Explain tay-sachs disease : Explain Tay-Sachs disease. Imagine you are a genetic counselor working with a couple who have just had a child who is suffering from Tay-Sachs disease. Neither parent has been tested for Tay-Sachs disease nor have there been any previous cases of ..

What is the unicity distance of the caesar cipher : Assume that the English language has an information rate of 1.5 bits per letter. What is the unicity distance of the Caesar cipher, when applied to an English text? Answer the same question for the Vigenère cryptosystem with key length r.

Investor required rate of return : Dividends and earnings have been growing at a compound annual rate of 8 percent and are expected to continue growing at that rate. What is an investor's required rate of return on the firm's common equity if the current price of its stock is $12 p..

What bodily fluids were used for the study by finlay : What bodily fluids/products were used for the study by Finlay and colleagues? Which 4 bacterial species seems to play a role in the development of asthma in babies?

Which specific foods provide the most fiber in your meals : Is macronutrient intake within the recommended range important? What are the effects of too much or too little of a macronutrient? What happens if you consistently eat too little protein? What happens if you eat too few carbohydrates? What happens..

Compute the mutual information i between x and y : After transmission over a channel the symbol Y, that is received, will be equal to X with probability 1 - p, 0 ≤ p ≤ 1and it will be equal to any of the other two letters in the alphabet with probability Compute the mutual information I ( X , Y) b..

User Account

All Pages