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DRDO CSE 2022 Paper 2 | Question: 25
Assume when encrypting $3$-bit plaintext with a block cipher with key $\text{K},$ ... with key $\mathrm{K}$ in counter mode (with initial counter value $=0):$ $\text{C}=100110000$ What was the plaintext?
Assume when encrypting $3$-bit plaintext with a block cipher with key $\text{K},$ the following ciphertext is obtained:$$\begin{array}{|c|c|}\hline \text{Plaintext} & \te...
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DRDO CSE 2022 Paper 1 | Question: 14
Derangements are permutations $\pi$ of the set $\{1,2, \ldots, n\}$ such that $\pi(i) \neq i.$ Compute the number of derangements on the set $1,2, \ldots, n$.
Derangements are permutations $\pi$ of the set $\{1,2, \ldots, n\}$ such that $\pi(i) \neq i.$ Compute the number of derangements on the set $1,2, \ldots, n$.
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DRDO CSE 2022 Paper 1 | Question: 24
Given a truth table of the full adder for three inputs. Draw a full adder circuit with a decoder and two $\text{OR}$ ...
Given a truth table of the full adder for three inputs. Draw a full adder circuit with a decoder and two $\text{OR}$ gates.$$\begin{array}{|c|c|c|c|c|}\hline \mathrm{X} &...
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