public final byte[] a()
    {
        try {
            if (this.q) {
                return 0;
            } else {
                this.q = 1;
                return this.c.doFinal();
            }
        } catch (int v0_3) {
            throw new t.b.c.o0.c(Error finalising cipher, v0_3);
        }
    }