Function encrypt_hashed 

pub fn encrypt_hashed(
    data: &[u8],
    key: &Key,
    random_bytes: &[u8; 224],
) -> Vec<u8> 

RSA-encrypt data using the MTProto RSA-PAD scheme.

random_bytes must be exactly 224 bytes of secure random data. data must be ≤ 144 bytes.