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Mathematics, 19.04.2021 15:50, enicole10
In the lecture, we discussed codebook ciphers and that they are subject to statistical attacks. To avoid such attacks, people use additives to make identical plaintext words mapped to different codewords. The full procedure of encryption is as follows: 1. Find the codewords for plaintext words, 2. Generate a random number sequence that has the same length as the number of codewords. This random number sequence is known as the additives. 3. Align the codewords and additives. 4. Add the additives to the corresponding codewords to yield the final ciphertext.
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Mathematics, 21.06.2019 16:30, mildredelizam
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
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Mathematics, 21.06.2019 19:40, kms275
The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.
Answers: 1
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In the lecture, we discussed codebook ciphers and that they are subject to statistical attacks. To a...
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