A Caesar Cipher Uses a Shift of Each Character by a Key

question 65

Multiple Choice

A Caesar cipher uses a shift of each character by a key with a value between 1 and 255.An a with a shift of 3 becomes a d.For the encrypt method below, select the correct body.Assume the key shift property is accessible to the method.
public int encrypt(int b)
{
__________
}

• A)return (b + key) % 256);
• B)return (b + key % 26);
• C)return (b + key);
• D)return (b + 26 % key);

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