1 6 points Two cryptographers encrypt a secret password consisting only of nonnegative integers less than...
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1 6 points Two cryptographers encrypt a secret password consisting only of nonnegative integers less than min (11, 17) using an affine cipher. They agree to use the same positive integer a in the following way: the affine key of the first cryptographer is → ax (mod 11) and the affine key of the second is xax (mod 17) (where their result is the least residue modulo 11, 17, respectively). For example, if their affine keys are → 3x (mod 5) and x3x (mod 7), and the secret password is "1,2,3", then they would produce the ciphertext respectively. Assume that we know that the first digit of the secret password is 1, and suppose that the encrypted message of the first cryptographer is of the form 2***... *** and the encrypted message of the second cryptographer is of the form 3, 1, 1 and 3, 6, 2, (where the asterisks are numbers that we could not intercept). Enter the least positive integer a that could be used in their keys. Type your answer... 10***... *** 1 6 points Two cryptographers encrypt a secret password consisting only of nonnegative integers less than min(11, 17) using an affine cipher. They agree to use the same positive integer a in the following way: the affine key of the first cryptographer is → ax (mod 11) and the affine key of the second is xax (mod 17) (where their result is the least residue modulo 11, 17, respectively). For example, if their affine keys are → 3x (mod 5) and x3x (mod 7), and the secret password is "1,2,3", then they would produce the ciphertext respectively. Assume that we know that the first digit of the secret password is 1, and suppose that the encrypted message of the first cryptographer is of the form 2***... *** and the encrypted message of the second cryptographer is of the form 3, 1, 1 and 3, 6, 2, (where the asterisks are numbers that we could not intercept). Enter the least positive integer a that could be used in their keys. Type your answer... 10***... *** 1 6 points Two cryptographers encrypt a secret password consisting only of nonnegative integers less than min (11, 17) using an affine cipher. They agree to use the same positive integer a in the following way: the affine key of the first cryptographer is → ax (mod 11) and the affine key of the second is xax (mod 17) (where their result is the least residue modulo 11, 17, respectively). For example, if their affine keys are → 3x (mod 5) and x3x (mod 7), and the secret password is "1,2,3", then they would produce the ciphertext respectively. Assume that we know that the first digit of the secret password is 1, and suppose that the encrypted message of the first cryptographer is of the form 2***... *** and the encrypted message of the second cryptographer is of the form 3, 1, 1 and 3, 6, 2, (where the asterisks are numbers that we could not intercept). Enter the least positive integer a that could be used in their keys. Type your answer... 10***... *** 1 6 points Two cryptographers encrypt a secret password consisting only of nonnegative integers less than min(11, 17) using an affine cipher. They agree to use the same positive integer a in the following way: the affine key of the first cryptographer is → ax (mod 11) and the affine key of the second is xax (mod 17) (where their result is the least residue modulo 11, 17, respectively). For example, if their affine keys are → 3x (mod 5) and x3x (mod 7), and the secret password is "1,2,3", then they would produce the ciphertext respectively. Assume that we know that the first digit of the secret password is 1, and suppose that the encrypted message of the first cryptographer is of the form 2***... *** and the encrypted message of the second cryptographer is of the form 3, 1, 1 and 3, 6, 2, (where the asterisks are numbers that we could not intercept). Enter the least positive integer a that could be used in their keys. Type your answer... 10***... ***
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Answer rating: 100% (QA)
From the problem we know that two cryptographers are using an affine cipher where the encryption function is x mapsto ax mod m and that they have agre... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
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