What about just generating messages that are grammatically correct? A combination like
"97xj34m725"
probably wouldn't occur in a plaintext message....
Also:
If the key is shorter than the message, the encryption is not secure. Why is that?
What about just generating messages that are grammatically correct? A combination like
"97xj34m725"
probably wouldn't occur in a plaintext message....
Also:
If the key is shorter than the message, the encryption is not secure. Why is that?