fixed introduced bug with generate command

if algAttrSign[7] == 0x01 will cause general fail during key generation
(possibly unsupported value)
//    private byte[] algAttrSign = { (byte)0xc1, (byte)0x06,
(byte)0x01,(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x20, (byte)0x01};