You have intercepted a message encrytped with an affine cipher. The ciphertext starts with BBDJ

Name: You have intercepted a message encrytped with an affine cipher. The ciphertext starts with BBDJ and you know the plaintext starts with OOPS. The alpine text uses the alpha substitution y = (ax + b)mod 26. Find a and b.
Uploaded: 2022-04-09T11:02:03-08:00
Duration: 4 min 5 s
Channel: Derrick Danso
Description: You have intercepted a message encrytped with an affine cipher. The ciphertext starts with BBDJ and you know the plaintext starts with OOPS. The alpine text uses the alpha substitution y = (ax + b)mod 26. Find a and b.

Question

H M · Accepted Answer

First, we need to convert the letters to numbers. We&#x27;ll use the standard A=0, B=1, C=2, etc. con

Question

You have intercepted a message encrytped with an affine cipher. The ciphertext starts with BBDJ and you know the plaintext starts with OOPS. The alpine text uses the alpha substitution y = (ax + b)mod 26. Find a and b.

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