matlab code The following ciphertext was encrypted by an affine cipher:

$$ edsgickxhuklzveqzvkxwkzukcvuh

The first two letters of the plaintext are if

$.$

$$Decrypt$.$

$($

The ciphertext is stored in the downloadable computer files

$($

bit

$.$

ly

$/$

$2$

JbcS

$6$

p

$)$

$$under the name edsg.

$)$