Function indy_sys::crypto::indy_crypto_verify

#[no_mangle]
pub unsafe extern "C" fn indy_crypto_verify(
    command_handle: CommandHandle, 
    signer_vk: CString, 
    message_raw: BString, 
    message_len: u32, 
    signature_raw: BString, 
    signature_len: u32, 
    cb: Option<ResponseBoolCB>
) -> Error