rrc_rotate
ret = rrc_rotate(cipher.data, cipher.length, rrc+padlength, FALSE);
ret = rrc_rotate(cipher.data, cipher.length, rrc, FALSE);
ret = rrc_rotate(p,
*minor_status = rrc_rotate(p, len, rrc+ec, TRUE);
*minor_status = rrc_rotate(p, len, rrc, TRUE);
*minor_status = rrc_rotate(p, len, rrc, TRUE);