I have seen all of the following notations used to denote the encryption of a message $m$ with the key $k$ to produce the ciphertext $c$:
$c = E(k,m)$
$c \leftarrow E(k,m)$
$c := E(k,m)$
Is there any difference between them?
I have seen all of the following notations used to denote the encryption of a message $m$ with the key $k$ to produce the ciphertext $c$:
$c = E(k,m)$
$c \leftarrow E(k,m)$
$c := E(k,m)$
Is there any difference between them?