* CSS tables
*****************************************************************************/
-unsigned int pi_css_tab0[11]={5,0,1,2,3,4,0,1,2,3,4};
+unsigned int pi_css_tab0[11]={ 5, 0, 1, 2, 3, 4, 0, 1, 2, 3, 4 };
unsigned char pi_css_tab1[256]=
{ 0x33, 0x73, 0x3b, 0x26, 0x63, 0x23, 0x6b, 0x76,
0xd8, 0x98, 0xd0, 0x01, 0x48, 0x08, 0x40, 0x91,
0x3d, 0x7d, 0x35, 0x24, 0x6d, 0x2d, 0x65, 0x74,
0x3c, 0x7c, 0x34, 0x25, 0x6c, 0x2c, 0x64, 0x75,
- 0xdd, 0x9d, 0xd5, 0x04, 0x4d, 0x0d, 0x45, 0x94,
+ 0xdd, 0x9d, 0xd5, 0x04, 0x4d, 0x0d, 0x45, 0x94,
0xdc, 0x9c, 0xd4, 0x05, 0x4c, 0x0c, 0x44, 0x95,
0x59, 0x19, 0x51, 0x80, 0xc9, 0x89, 0xc1, 0x10,
0x58, 0x18, 0x50, 0x81, 0xc8, 0x88, 0xc0, 0x11,
};
unsigned char pi_css_tab3[512]=
-{
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
- 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff, 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff
-};
+{ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff,
+ 0x00, 0x24, 0x49, 0x6d, 0x92, 0xb6, 0xdb, 0xff };
unsigned char pi_css_tab4[256]=
-{
- 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
- 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
- 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
- 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
- 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
- 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
- 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
- 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
- 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
- 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
- 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
- 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
- 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
- 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
- 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
- 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
-};
+{ 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
+ 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
+ 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
+ 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
+ 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
+ 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
+ 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
+ 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
+ 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
+ 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
+ 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
+ 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
+ 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
+ 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
+ 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
+ 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
+ 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
+ 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
+ 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
+ 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
+ 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
+ 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
+ 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
+ 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
+ 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
+ 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
+ 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
+ 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
+ 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
+ 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
+ 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
+ 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff };
unsigned char pi_css_tab5[256]=
-{
- 0xff, 0x7f, 0xbf, 0x3f, 0xdf, 0x5f, 0x9f, 0x1f, 0xef, 0x6f, 0xaf, 0x2f, 0xcf, 0x4f, 0x8f, 0x0f,
- 0xf7, 0x77, 0xb7, 0x37, 0xd7, 0x57, 0x97, 0x17, 0xe7, 0x67, 0xa7, 0x27, 0xc7, 0x47, 0x87, 0x07,
- 0xfb, 0x7b, 0xbb, 0x3b, 0xdb, 0x5b, 0x9b, 0x1b, 0xeb, 0x6b, 0xab, 0x2b, 0xcb, 0x4b, 0x8b, 0x0b,
- 0xf3, 0x73, 0xb3, 0x33, 0xd3, 0x53, 0x93, 0x13, 0xe3, 0x63, 0xa3, 0x23, 0xc3, 0x43, 0x83, 0x03,
- 0xfd, 0x7d, 0xbd, 0x3d, 0xdd, 0x5d, 0x9d, 0x1d, 0xed, 0x6d, 0xad, 0x2d, 0xcd, 0x4d, 0x8d, 0x0d,
- 0xf5, 0x75, 0xb5, 0x35, 0xd5, 0x55, 0x95, 0x15, 0xe5, 0x65, 0xa5, 0x25, 0xc5, 0x45, 0x85, 0x05,
- 0xf9, 0x79, 0xb9, 0x39, 0xd9, 0x59, 0x99, 0x19, 0xe9, 0x69, 0xa9, 0x29, 0xc9, 0x49, 0x89, 0x09,
- 0xf1, 0x71, 0xb1, 0x31, 0xd1, 0x51, 0x91, 0x11, 0xe1, 0x61, 0xa1, 0x21, 0xc1, 0x41, 0x81, 0x01,
- 0xfe, 0x7e, 0xbe, 0x3e, 0xde, 0x5e, 0x9e, 0x1e, 0xee, 0x6e, 0xae, 0x2e, 0xce, 0x4e, 0x8e, 0x0e,
- 0xf6, 0x76, 0xb6, 0x36, 0xd6, 0x56, 0x96, 0x16, 0xe6, 0x66, 0xa6, 0x26, 0xc6, 0x46, 0x86, 0x06,
- 0xfa, 0x7a, 0xba, 0x3a, 0xda, 0x5a, 0x9a, 0x1a, 0xea, 0x6a, 0xaa, 0x2a, 0xca, 0x4a, 0x8a, 0x0a,
- 0xf2, 0x72, 0xb2, 0x32, 0xd2, 0x52, 0x92, 0x12, 0xe2, 0x62, 0xa2, 0x22, 0xc2, 0x42, 0x82, 0x02,
- 0xfc, 0x7c, 0xbc, 0x3c, 0xdc, 0x5c, 0x9c, 0x1c, 0xec, 0x6c, 0xac, 0x2c, 0xcc, 0x4c, 0x8c, 0x0c,
- 0xf4, 0x74, 0xb4, 0x34, 0xd4, 0x54, 0x94, 0x14, 0xe4, 0x64, 0xa4, 0x24, 0xc4, 0x44, 0x84, 0x04,
- 0xf8, 0x78, 0xb8, 0x38, 0xd8, 0x58, 0x98, 0x18, 0xe8, 0x68, 0xa8, 0x28, 0xc8, 0x48, 0x88, 0x08,
- 0xf0, 0x70, 0xb0, 0x30, 0xd0, 0x50, 0x90, 0x10, 0xe0, 0x60, 0xa0, 0x20, 0xc0, 0x40, 0x80, 0x00
-};
-
+{ 0xff, 0x7f, 0xbf, 0x3f, 0xdf, 0x5f, 0x9f, 0x1f,
+ 0xef, 0x6f, 0xaf, 0x2f, 0xcf, 0x4f, 0x8f, 0x0f,
+ 0xf7, 0x77, 0xb7, 0x37, 0xd7, 0x57, 0x97, 0x17,
+ 0xe7, 0x67, 0xa7, 0x27, 0xc7, 0x47, 0x87, 0x07,
+ 0xfb, 0x7b, 0xbb, 0x3b, 0xdb, 0x5b, 0x9b, 0x1b,
+ 0xeb, 0x6b, 0xab, 0x2b, 0xcb, 0x4b, 0x8b, 0x0b,
+ 0xf3, 0x73, 0xb3, 0x33, 0xd3, 0x53, 0x93, 0x13,
+ 0xe3, 0x63, 0xa3, 0x23, 0xc3, 0x43, 0x83, 0x03,
+ 0xfd, 0x7d, 0xbd, 0x3d, 0xdd, 0x5d, 0x9d, 0x1d,
+ 0xed, 0x6d, 0xad, 0x2d, 0xcd, 0x4d, 0x8d, 0x0d,
+ 0xf5, 0x75, 0xb5, 0x35, 0xd5, 0x55, 0x95, 0x15,
+ 0xe5, 0x65, 0xa5, 0x25, 0xc5, 0x45, 0x85, 0x05,
+ 0xf9, 0x79, 0xb9, 0x39, 0xd9, 0x59, 0x99, 0x19,
+ 0xe9, 0x69, 0xa9, 0x29, 0xc9, 0x49, 0x89, 0x09,
+ 0xf1, 0x71, 0xb1, 0x31, 0xd1, 0x51, 0x91, 0x11,
+ 0xe1, 0x61, 0xa1, 0x21, 0xc1, 0x41, 0x81, 0x01,
+ 0xfe, 0x7e, 0xbe, 0x3e, 0xde, 0x5e, 0x9e, 0x1e,
+ 0xee, 0x6e, 0xae, 0x2e, 0xce, 0x4e, 0x8e, 0x0e,
+ 0xf6, 0x76, 0xb6, 0x36, 0xd6, 0x56, 0x96, 0x16,
+ 0xe6, 0x66, 0xa6, 0x26, 0xc6, 0x46, 0x86, 0x06,
+ 0xfa, 0x7a, 0xba, 0x3a, 0xda, 0x5a, 0x9a, 0x1a,
+ 0xea, 0x6a, 0xaa, 0x2a, 0xca, 0x4a, 0x8a, 0x0a,
+ 0xf2, 0x72, 0xb2, 0x32, 0xd2, 0x52, 0x92, 0x12,
+ 0xe2, 0x62, 0xa2, 0x22, 0xc2, 0x42, 0x82, 0x02,
+ 0xfc, 0x7c, 0xbc, 0x3c, 0xdc, 0x5c, 0x9c, 0x1c,
+ 0xec, 0x6c, 0xac, 0x2c, 0xcc, 0x4c, 0x8c, 0x0c,
+ 0xf4, 0x74, 0xb4, 0x34, 0xd4, 0x54, 0x94, 0x14,
+ 0xe4, 0x64, 0xa4, 0x24, 0xc4, 0x44, 0x84, 0x04,
+ 0xf8, 0x78, 0xb8, 0x38, 0xd8, 0x58, 0x98, 0x18,
+ 0xe8, 0x68, 0xa8, 0x28, 0xc8, 0x48, 0x88, 0x08,
+ 0xf0, 0x70, 0xb0, 0x30, 0xd0, 0x50, 0x90, 0x10,
+ 0xe0, 0x60, 0xa0, 0x20, 0xc0, 0x40, 0x80, 0x00 };
/*
* Local functions
*****************************************************************************/
int CSSGetASF( int i_fd )
{
-#if 0
- dvd_authinfo auth;
+ dvd_authinfo ai;
- auth.type = DVD_LU_SEND_ASF;
- auth.lsasf.asf = 0;
+ ai.type = DVD_LU_SEND_ASF;
+ ai.lsasf.asf = 0;
- for( auth.lsasf.agid = 0 ; auth.lsasf.agid < 4 ; auth.lsasf.agid++ )
+ for( ai.lsasf.agid = 0 ; ai.lsasf.agid < 4 ; ai.lsasf.agid++ )
{
- if( ioctl( i_fd, DVD_AUTH, &auth ) )
+ if( !( ioctl( i_fd, DVD_AUTH, &ai ) ) )
{
- intf_ErrMsg( "DVD ioctl error in CSSGetASF" );
- return -1;
- }
- }
-
-// ("%sAuthenticated\n", (ai.lsasf.asf) ? "" : "not");
- return 0;
-#else
-
- dvd_authinfo ai;
-
- ai.type = DVD_LU_SEND_ASF;
- ai.lsasf.asf = 0;
-
- for (ai.lsasf.agid = 0; ai.lsasf.agid < 4; ai.lsasf.agid++) {
- if (!(ioctl(i_fd, DVD_AUTH, &ai))) {
- fprintf( stderr, "%sAuthenticated\n", (ai.lsasf.asf) ? "" : "not");
- return 0;
- }
- }
- intf_ErrMsg( "CSS Error : GetASF" );
- return -1;
-
-#endif
+ fprintf( stderr, "%sAuthenticated\n", (ai.lsasf.asf) ? "" : "not");
+ return 0;
+ }
+ }
+ intf_ErrMsg( "CSS Error : GetASF" );
+ return -1;
}
/*****************************************************************************
* i_key_type : 0->key1, 1->key2, 2->buskey.
* i_varient : between 0 and 31.
*****************************************************************************/
-#if 0
static void CSSCryptKey( int i_key_type, int i_varient,
- u8* pi_challenge, u8* pi_key )
+ u8 const * pi_challenge, u8* pi_key )
{
/* Permutation table for challenge */
u8 ppi_perm_challenge[3][10] =
0x10, 0x18, 0x14, 0x1c, 0x00, 0x08, 0x04, 0x0c,
0x13, 0x1b, 0x17, 0x1f, 0x03, 0x0b, 0x07, 0x0f,
0x11, 0x19, 0x15, 0x1d, 0x01, 0x09, 0x05, 0x0d } };
- u8 pi_css_secret[5] = { 0xE2,0xA3,0x45,0x10,0xF4 };
+ u8 pi_css_secret[5] = { 0xE2, 0xA3, 0x45, 0x10, 0xF4 };
u8 pi_css_varients[32] =
{ 0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15,
0x20, 0x21, 0x24, 0x25, 0x30, 0x31, 0x34, 0x35,
0xA0, 0xA1, 0xA4, 0xA5, 0xB0, 0xB1, 0xB4, 0xB5 };
u8 pi_bits[30];
u8 pi_scratch[10];
- u8 pi_tmp1[5], pi_tmp2[2];
- u8 i_lfsr0_o, i_lfsr1_o;
- u32 i_lfsr0, i_lfsr1;
- u8 i_css_varient;
+ u8 pi_tmp1[5];
+ u8 pi_tmp2[5];
+ u8 i_lfsr0_o;
+ u8 i_lfsr1_o;
+ u32 i_lfsr0;
+ u32 i_lfsr1;
+ u8 i_css_varient;
int i_val = 0;
int i_term = 0;
int i, i_index;
}
i_css_varient = i_key_type == 0 ? i_varient
: ppi_perm_varient[i_key_type-1][i_varient];
- i_css_varient = pi_css_varients[i_css_varient];
for( i=0 ; i<5 ; i++ )
{
}
/* In order to ensure that the LFSR works we need to ensure that the
- * initial values are non-zero. Thus when we initialise them from
- * the seed, we ensure that a bit is set.
- */
- i_lfsr0 = ( pi_key[0] << 17 ) | ( pi_key[1] << 9 ) |
- ( ( pi_key[2] & ~7 ) << 1 ) | 8 | (pi_key[2] & 7);
-
- /*
- * reverse lfsr0/1 to simplify calculation in loop
- */
- i_lfsr0 = ( pi_reverse[i_lfsr0 & 0xff] << 17 ) |
+ * initial values are non-zero. Thus when we initialise them from
+ * the seed, we ensure that a bit is set.
+ */
+ i_lfsr0 = ( pi_tmp1[0] << 17 ) | ( pi_tmp1[1] << 9 ) |
+ ( ( pi_tmp1[2] & ~7 ) << 1 ) | 8 | (pi_tmp1[2] & 7);
+
+ /*
+ * reverse lfsr0/1 to simplify calculation in loop
+ */
+ i_lfsr0 = ( pi_reverse[i_lfsr0 & 0xff] << 17 ) |
( pi_reverse[( i_lfsr0 >> 8 ) & 0xff] << 9 ) |
( pi_reverse[( i_lfsr0 >> 16 ) & 0xff] << 1) |
( i_lfsr0 >> 24 );
- i_lfsr1 = ( pi_reverse[pi_key[4]] << 9 ) | 0x100 |
- ( pi_reverse[pi_key[3]] );
+ i_lfsr1 = ( pi_reverse[pi_tmp1[4]] << 9 ) | 0x100 |
+ ( pi_reverse[pi_tmp1[3]] );
- for( i=0 ; i<30 ; i++ )
+ i_index = sizeof( pi_bits );
+ do
{
- i_lfsr0_o = ( i_lfsr0 >> 12) ^ ( i_lfsr0 >> 4) ^
+ i_lfsr0_o = ( i_lfsr0 >> 12) ^ ( i_lfsr0 >> 4) ^
( i_lfsr0 >> 3) ^ i_lfsr0;
- i_lfsr1_o = ( ( i_lfsr1 >> 14 ) & 7) ^ i_lfsr1;
- i_lfsr1_o ^= ( i_lfsr1_o << 3 ) ^ ( i_lfsr1_o << 6 );
+ i_lfsr1_o = ( ( i_lfsr1 >> 14 ) & 7) ^ i_lfsr1;
+ i_lfsr1_o ^= ( i_lfsr1_o << 3 ) ^ ( i_lfsr1_o << 6 );
+
+ i_lfsr1 = ( i_lfsr1 >> 8) ^ ( i_lfsr1_o << 9);
+ i_lfsr0 = ( i_lfsr0 >> 8 ) ^ ( i_lfsr0_o << 17);
+
+ i_lfsr0_o = ~i_lfsr0_o;
+ i_lfsr1_o = ~i_lfsr1_o;
+
+ i_val += i_lfsr0_o + i_lfsr1_o;
+
+ pi_bits[--i_index] = i_val & 0xFF;
+ i_val >>= 8;
- i_lfsr1 = ( i_lfsr1 >> 8) ^ ( i_lfsr1_o << 9);
- i_lfsr0 = ( i_lfsr0 >> 8 ) ^ ( i_lfsr0_o << 17);
+ fprintf(stderr, "lfsr0=%08x lfsr1=%08x\n", i_lfsr0, i_lfsr1);
+ } while( i_index > 0 );
- i_lfsr0_o = ~i_lfsr0_o;
- i_lfsr1_o = ~i_lfsr1_o;
+ i_css_varient = pi_css_varients[i_css_varient];
- i_val += i_lfsr0_o + i_lfsr1_o;
-
- pi_bits[i] = i_val & 0xFF;
- i_val >>= 8;
- }
+fprintf( stderr, "CSE : %d\n", i_css_varient );
/*
* Mangling
*/
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_scratch[i] )
{
- i_index = pi_bits[25+i] ^ pi_scratch[i];
- i_index = pi_css_mangle1[i_index] ^ i_css_varient;
- pi_tmp1[i] = pi_css_mangle2[i_index] ^ i_term;
+ i_index = pi_bits[25+i] ^ pi_scratch[i];
+ i_index = pi_css_mangle1[i_index] ^ i_css_varient;
+ pi_tmp1[i] = pi_css_mangle2[i_index] ^ i_term;
}
pi_tmp1[4] ^= pi_tmp1[0];
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp1[i] )
{
- i_index = pi_bits[20+i] ^ pi_tmp1[i];
- i_index = pi_css_mangle1[i_index] ^ i_css_varient;
- pi_tmp2[i] = pi_css_mangle2[i_index] ^ i_term;
+ i_index = pi_bits[20+i] ^ pi_tmp1[i];
+ i_index = pi_css_mangle1[i_index] ^ i_css_varient;
+ pi_tmp2[i] = pi_css_mangle2[i_index] ^ i_term;
}
pi_tmp2[4] ^= pi_tmp2[0];
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp2[i] )
{
- i_index = pi_bits[15+i] ^ pi_tmp2[i];
- i_index = pi_css_mangle1[i_index] ^ i_css_varient;
- i_index = pi_css_mangle2[i_index] ^ i_term;
+ i_index = pi_bits[15+i] ^ pi_tmp2[i];
+ i_index = pi_css_mangle1[i_index] ^ i_css_varient;
+ i_index = pi_css_mangle2[i_index] ^ i_term;
pi_tmp1[i] = pi_css_mangle0[i_index];
}
pi_tmp1[4] ^= pi_tmp1[0];
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp1[i] )
{
- i_index = pi_bits[10+i] ^ pi_tmp1[i];
- i_index = pi_css_mangle1[i_index] ^ i_css_varient;
- i_index = pi_css_mangle2[i_index] ^ i_term;
+ i_index = pi_bits[10+i] ^ pi_tmp1[i];
+ i_index = pi_css_mangle1[i_index] ^ i_css_varient;
+ i_index = pi_css_mangle2[i_index] ^ i_term;
pi_tmp2[i] = pi_css_mangle0[i_index];
}
pi_tmp2[4] ^= pi_tmp2[0];
for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp2[i] )
{
- i_index = pi_bits[5+i] ^ pi_tmp2[i];
- i_index = pi_css_mangle1[i_index] ^ i_css_varient;
- pi_tmp1[i] = pi_css_mangle2[i_index] ^ i_term;
+ i_index = pi_bits[5+i] ^ pi_tmp2[i];
+ i_index = pi_css_mangle1[i_index] ^ i_css_varient;
+ pi_tmp1[i] = pi_css_mangle2[i_index] ^ i_term;
}
pi_tmp1[4] ^= pi_tmp1[0];
- for( i = 5, i_term = 0 ; --i >= 0 ; i_term = pi_tmp1[i] )
+
+ for( i=5, i_term=0 ; --i>=0 ; i_term=pi_tmp1[i] )
{
- i_index = pi_bits[i] ^ pi_tmp1[i];
- i_index = pi_css_mangle1[i_index] ^ i_css_varient;
- pi_key[i] = pi_css_mangle2[i_index] ^ i_term;
+ i_index = pi_bits[i] ^ pi_tmp1[i];
+ i_index = pi_css_mangle1[i_index] ^ i_css_varient;
+ pi_key[i] = pi_css_mangle2[i_index] ^ i_term;
}
return;
}
-#else
-typedef struct {
- uint8_t Challenge[10];
- uint8_t Key1[KEY_SIZE];
- uint8_t Key2[KEY_SIZE];
- uint8_t KeyCheck[KEY_SIZE];
- uint8_t varient;
-} DiscKeys;
-
-DiscKeys discKeys;
-
-
-
-static void _generate_bits (u8 *output, int len, const u8 *s)
-{
- u32 lfsr0, lfsr1;
- int val;
- u8 o_lfsr0, o_lfsr1;
-
- /* In order to ensure that the LFSR works we need to ensure that the
- * initial values are non-zero. Thus when we initialise them from
- * the seed, we ensure that a bit is set.
- */
-
- lfsr0 = (s[0] << 17) | (s[1] << 9) | ((s[2] & ~7) << 1) | 8 | (s[2] & 7);
-
- /*
- reverse lfsr0/1 to simplify calculation in loop
- */
- lfsr0 = (pi_reverse[lfsr0&0xff]<<17) | (pi_reverse[(lfsr0>>8)&0xff] << 9)
- | (pi_reverse[(lfsr0>>16)&0xff]<<1) |(lfsr0>>24);
-
- lfsr1 = (pi_reverse[s[4]] << 9) | 0x100 | ( pi_reverse[ s[3]] );
-
- output++;
- val = 0;
-
- do {
- o_lfsr0 = (lfsr0 >> 12) ^ (lfsr0 >> 4) ^ (lfsr0 >> 3) ^ lfsr0;
-
- o_lfsr1 = ((lfsr1 >> 14) & 7) ^ lfsr1;
- o_lfsr1 ^= (o_lfsr1 << 3) ^ (o_lfsr1 << 6);
-
- lfsr1 = (lfsr1 >> 8) ^ (o_lfsr1 << 9);
- lfsr0 = (lfsr0 >> 8) ^ (o_lfsr0 << 17);
-
- o_lfsr0 = ~o_lfsr0;
- o_lfsr1 = ~o_lfsr1;
-
- val += o_lfsr0 + o_lfsr1;
-
- *--output = val & 0xFF;
- val >>= 8;
- fprintf(stderr, "lfsr0=%08x lfsr1=%08x\n", lfsr0, lfsr1);
-
- } while (--len > 0);
-}
-
-
-/**
- * This encryption engine implements one of 32 variations
- * one the same theme depending upon the choice in the
- * varient parameter (0 - 31).
- *
- * The algorithm itself manipulates a 40 bit input into
- * a 40 bit output.
- * The parameter 'input' is 80 bits. It consists of
- * the 40 bit input value that is to be encrypted followed
- * by a 40 bit seed value for the pseudo random number
- * generators.
- **/
-
-static inline void mangle1( u8 *bs, u8 cse, const u8 *ip, u8 *op)
-{
- int i, term, index;
- for (i = 5, term = 0; --i >= 0; term = ip[i]) {
- index = bs[i] ^ ip[i];
- index = pi_css_mangle1[index] ^ cse;
- op[i] = pi_css_mangle2[index] ^ term;
- }
-}
-
-
-/**
- *
- **/
-
-static inline void mangle2( u8 *bs, u8 cse, const u8 *ip, u8 *op)
-{
- int i, term, index;
- for (i = 5, term = 0; --i >= 0; term = ip[i]) {
- index = bs[i] ^ ip[i];
- index = pi_css_mangle1[index] ^ cse;
- index = pi_css_mangle2[index] ^ term;
- op[i] = pi_css_mangle0[index];
- }
-}
-
-
-/**
- *
- **/
-
-static inline void engine (int varient, u8 const *input, u8 *output)
-{
- u8 cse;
- u8 tmp1[5];
- u8 tmp2[5];
- u8 bits[30];
- u8 pi_css_varients[32] =
- { 0x00, 0x01, 0x04, 0x05, 0x10, 0x11, 0x14, 0x15,
- 0x20, 0x21, 0x24, 0x25, 0x30, 0x31, 0x34, 0x35,
- 0x80, 0x81, 0x84, 0x85, 0x90, 0x91, 0x94, 0x95,
- 0xA0, 0xA1, 0xA4, 0xA5, 0xB0, 0xB1, 0xB4, 0xB5 };
- u8 pi_css_secret[5] = { 0xE2,0xA3,0x45,0x10,0xF4 };
-
-
- int i;
-
- /* Feed the secret into the input values such that
- * we alter the seed to the LFSR's used above, then
- * generate the bits to play with.
- */
- for (i=5; --i>=0; )
- tmp1[i] = input[5+i] ^ pi_css_secret[i];
-
- _generate_bits (&bits[29], sizeof bits, &tmp1[0]);
-
- /* This term is used throughout the following to
- * select one of 32 different variations on the
- * algorithm.
- */
- cse = pi_css_varients[varient];
-
- /* Now the actual blocks doing the encryption. Each
- * of these works on 40 bits at a time and are quite
- * similar.
- */
- mangle1( &bits[25], cse, input, tmp1);
- tmp1[4] ^= tmp1[0];
-
- mangle1( &bits[20], cse, tmp1, tmp2);
- tmp2[4] ^= tmp2[0];
-
- mangle2( &bits[15], cse, tmp2, tmp1);
- tmp1[4] ^= tmp1[0];
-
- mangle2( &bits[10], cse, tmp1, tmp2);
- tmp2[4] ^= tmp2[0];
-
- mangle1( &bits[5], cse, tmp2, tmp1);
- tmp1[4] ^= tmp1[0];
- mangle1( &bits[0], cse, tmp1, output);
-}
-
-
-/**
- *
- **/
-
-void CryptKey1 (int varient, u8 const *challenge, u8 *key)
-{
- u8 perm_challenge[] = {1,3,0,7,5, 2,9,6,4,8};
-
- u8 scratch[10];
- int i;
-
- for (i=9; i>=0; --i)
- scratch[i] = challenge[perm_challenge[i]];
-
- engine (varient, scratch, key);
-}
-
-
-/**
- * This shuffles the bits in varient to make perm_varient such that
- * 4 -> !3
- * 3 -> 4
- * varient bits: 2 -> 0 perm_varient bits
- * 1 -> 2
- * 0 -> !1
- **/
-
-void CryptKey2 (int varient, u8 const *challenge, u8 *key)
-{
- static u8 perm_challenge[] = {
- 0x06,0x01,0x09,0x03,0x08,0x05,0x07,0x04,
- 0x00,0x02
- };
- static u8 perm_varient[] = {
- 0x0a,0x08,0x0e,0x0c,0x0b,0x09,0x0f,0x0d,
- 0x1a,0x18,0x1e,0x1c,0x1b,0x19,0x1f,0x1d,
- 0x02,0x00,0x06,0x04,0x03,0x01,0x07,0x05,
- 0x12,0x10,0x16,0x14,0x13,0x11,0x17,0x15
- };
- u8 scratch[10];
- int i;
-
- for (i=9; i>=0; --i)
- scratch[i] = challenge[perm_challenge[i]];
-
- engine (perm_varient[varient], scratch, key);
-}
-
-
-/**
- * This shuffles the bits in varient to make perm_varient such that
- * 4 -> 0
- * 3 -> !1
- * varient bits: 2 -> !4 perm_varient bits
- * 1 -> 2
- * 0 -> 3
- **/
-
-void CryptBusKey (int varient, u8 const *challenge, u8 *key)
-{
- static u8 perm_challenge[] = {
- 0x04,0x00,0x03,0x05,0x07,0x02,0x08,0x06,
- 0x01,0x09
- };
- static u8 perm_varient[] = {
- 0x12,0x1a,0x16,0x1e,0x02,0x0a,0x06,0x0e,
- 0x10,0x18,0x14,0x1c,0x00,0x08,0x04,0x0c,
- 0x13,0x1b,0x17,0x1f,0x03,0x0b,0x07,0x0f,
- 0x11,0x19,0x15,0x1d,0x01,0x09,0x05,0x0d
- };
- u8 scratch[10];
- int i;
-
- for (i=9; i>=0; --i)
- scratch[i] = challenge[perm_challenge[i]];
-
- engine (perm_varient[varient], scratch, key);
-}
-static int _CSSAuthDrive (const u8 *key, DiscKeys *disc)
+static int CSSAuthHost( dvd_authinfo *ai, disc_t *disc )
{
- int i;
-
- for (i=0; i<KEY_SIZE; i++)
- disc->Key1[i] = key[4-i];
-
- for (i=0; i<32; ++i) {
- CryptKey1( i, disc->Challenge, disc->KeyCheck);
-
- if (memcmp (disc->KeyCheck, disc->Key1, KEY_SIZE ) == 0) {
- intf_ErrMsg( "Drive Authentic - using varient %d", i);
- disc->varient = i;
- return i;
- }
- }
-
- intf_ErrMsg( "Drive would not Authenticate" );
-
- return -1;
-}
-
-
-static int _CSSAuthHost (dvd_authinfo *ai, DiscKeys *disc)
-{
- int i;
-
- switch (ai->type) {
- /* Host data receive (host changes state) */
- case DVD_LU_SEND_AGID:
-// _CSSPrintDebug ("AGID %d\n", ai->lsa.agid);
-
- ai->type = DVD_HOST_SEND_CHALLENGE;
- break;
-
- case DVD_LU_SEND_KEY1:
-// _CSSPrintDebugBytes ("LU sent key1", ai->lsk.key, LEN_KEY);
-
- if (_CSSAuthDrive (ai->lsk.key, disc)<0) {
- ai->type = DVD_AUTH_FAILURE;
- return -22;
- }
- ai->type = DVD_LU_SEND_CHALLENGE;
- break;
-
- case DVD_LU_SEND_CHALLENGE:
- for (i = 0; i < 10; ++i)
- disc->Challenge[i] = ai->hsc.chal[9-i];
-
-// _CSSPrintDebugBytes ("LU sent challenge", ai->hsc.chal, 10);
-
- CryptKey2 (disc->varient, disc->Challenge, disc->Key2);
- ai->type = DVD_HOST_SEND_KEY2;
- break;
+ int i;
- /* Host data send */
- case DVD_HOST_SEND_CHALLENGE:
- for (i = 0; i < 10; ++i)
- ai->hsc.chal[9-i] = disc->Challenge[i];
+ switch( ai->type )
+ {
+ /* Host data receive (host changes state) */
+ case DVD_LU_SEND_AGID:
+// _CSSPrintDebug ("AGID %d\n", ai->lsa.agid);
-// _CSSPrintDebugBytes ("Host sending challenge", ai->hsc.chal, 10);
+ ai->type = DVD_HOST_SEND_CHALLENGE;
+ break;
- /* Returning data, let LU change state */
- break;
+ case DVD_LU_SEND_KEY1:
+// _CSSPrintDebugBytes ("LU sent key1", ai->lsk.key, LEN_KEY);
- case DVD_HOST_SEND_KEY2:
- for (i = 0; i < KEY_SIZE; ++i)
- ai->hsk.key[4-i] = disc->Key2[i];
+ for( i=0; i<KEY_SIZE; i++ )
+ {
+ disc->pi_key1[i] = ai->lsk.key[4-i];
+ }
-// _CSSPrintDebugBytes ("Host sending key 2", &disc->Key2[0], LEN_KEY);
+ for( i=0; i<32; ++i )
+ {
+ CSSCryptKey( 0, i, disc->pi_challenge,
+ disc->pi_key_check );
- /* Returning data, let LU change state */
- break;
+ if( memcmp( disc->pi_key_check,
+ disc->pi_key1, KEY_SIZE ) == 0 )
+ {
+ fprintf( stderr, "Drive Authentic - using varient %d\n", i);
+ disc->i_varient = i;
+ ai->type = DVD_LU_SEND_CHALLENGE;
+ break;
+ }
+ }
+// intf_ErrMsg( "Drive would not Authenticate" );
+// ai->type = DVD_AUTH_FAILURE;
+// return -22;
+ break;
+
+ case DVD_LU_SEND_CHALLENGE:
+ for( i=0; i<10; ++i )
+ {
+ disc->pi_challenge[i] = ai->hsc.chal[9-i];
+ }
+// _CSSPrintDebugBytes ("LU sent challenge", ai->hsc.chal, 10);
+ CSSCryptKey( 1, disc->i_varient, disc->pi_challenge,
+ disc->pi_key2 );
+ ai->type = DVD_HOST_SEND_KEY2;
+ break;
+
+ /* Host data send */
+ case DVD_HOST_SEND_CHALLENGE:
+ for( i=0; i<10; ++i )
+ {
+ ai->hsc.chal[9-i] = disc->pi_challenge[i];
+ }
+// _CSSPrintDebugBytes ("Host sending challenge", ai->hsc.chal, 10);
+ /* Returning data, let LU change state */
+ break;
- default:
- intf_ErrMsg( "Got invalid state %d", ai->type );
+ case DVD_HOST_SEND_KEY2:
+ for( i=0; i<KEY_SIZE; ++i )
+ {
+ ai->hsk.key[4-i] = disc->pi_key2[i];
+ }
+// _CSSPrintDebugBytes ("Host sending key 2", &disc->Key2[0], LEN_KEY);
+ /* Returning data, let LU change state */
+ break;
- return -22;
- }
+ default:
+ intf_ErrMsg( "Got invalid state %d", ai->type );
+ return -22;
+ }
- return 0;
+ return 0;
}
-
-
-#endif
-
/*****************************************************************************
* CSSCracker : title key decryption by cracking
*****************************************************************************/
static unsigned char invtab4[256];
-static int CSScracker(int StartVal,unsigned char* pCrypted,unsigned char* pDecrypted,DVD40bitKey *StreamKey,DVD40bitKey *pkey)
+static int CSScracker( int StartVal,
+ unsigned char* pCrypted,
+ unsigned char* pDecrypted,
+ DVD_key_t *StreamKey,
+ DVD_key_t *pkey )
{
unsigned char MyBuf[10];
unsigned int t1,t2,t3,t4,t5,t6;
printf( "Permutation error\n" );
exit( -1 );
}
- }
+ }
/* initialize the inverse of table4 */
for( i = 0 ; i < 256 ; i++ )
css_t CSSInit( int i_fd )
{
-#if 0
+ dvd_authinfo ai;
+ dvd_struct dvd;
css_t css;
- dvd_authinfo auth;
+ int rv = -1;
int i;
- css.i_fd = i_fd;
- css.b_error = 0;
- memset( &auth, 0, sizeof(auth) );
-fprintf( stderr, "0\n" );
-#if 0
- if( CSSGetASF( i_fd ) )
+ memset( &ai, 0, sizeof(ai) );
+
+// if (CSSGetASF (i_fd))
+// return css;
+
+
+ /* Init sequence, request AGID */
+ for( i=1; (i<4)&&(rv== -1) ; ++i )
{
- css.b_error = 1;
- return css;
+ fprintf( stderr, "Request AGID [%d]...", i );
+ ai.type = DVD_LU_SEND_AGID;
+ ai.lsa.agid = 0;
+ rv = ioctl (i_fd, DVD_AUTH, &ai);
+ fprintf( stderr, "%d %d\n" , rv, ai.lsa.agid );
+ if (rv == -1)
+ {
+ fprintf( stderr, "N/A, invalidating" );
+ ai.type = DVD_INVALIDATE_AGID;
+ ai.lsa.agid = 0;
+ ioctl( i_fd, DVD_AUTH, &ai );
+ }
}
-#endif
-fprintf( stderr, "1\n" );
- /* Get AGID From drive */
- auth.type = DVD_LU_SEND_AGID;
- auth.lsa.agid = 0;
-
- if( ioctl( i_fd, DVD_AUTH, &auth ) < 0 )
+ if( rv==-1 )
{
- intf_ErrMsg( "DVD ioctl error in CSSInit (AGID)" );
- auth.type = DVD_INVALIDATE_AGID;
- auth.lsa.agid = 0;
- ioctl( i_fd, DVD_AUTH, &auth );
- css.b_error = 1;
- return css;
+ fprintf( stderr, "Cannot get AGID\n" );
}
- css.i_agid = auth.lsa.agid;
-fprintf( stderr, "2\n" );
- /* Get drive keys */
- for( i = 0 ; i < 10 ; ++i )
+ for( i=0 ; i<10; ++i )
{
- css.keys.pi_challenge[i] = i;
+// disc->Challenge[i] = i;
+ css.disc.pi_challenge[i] = i;
}
-fprintf( stderr, "3\n" );
- if( ioctl( i_fd, DVD_AUTH, &auth ) < 0 )
+ /* Send AGID to host */
+ if( CSSAuthHost(&ai, &(css.disc) )<0 )
{
- intf_ErrMsg( "DVD ioctl error in CSSInit (Drive keys)" );
- css.b_error = 1;
+ intf_ErrMsg( "CSS Error :Send AGID to host failed" );
return css;
}
-fprintf( stderr, "4\n" );
- if( ioctl( i_fd, DVD_AUTH, &auth ) < 0 )
+ /* Get challenge from host */
+ if( CSSAuthHost( &ai, &(css.disc) )<0)
{
- intf_ErrMsg( "DVD ioctl error in CSSInit (Drive keys)" );
- css.b_error = 1;
+ intf_ErrMsg( "CSS Error :Get challenge from host failed" );
return css;
}
-fprintf( stderr, "5\n" );
+ css.i_agid = ai.lsa.agid;
- for( i=0 ; i<KEY_SIZE ; i++ )
+ /* Send challenge to LU */
+ if( ioctl( i_fd, DVD_AUTH, &ai )<0 )
{
- css.keys.pi_key1[i] = auth.lsk.key[KEY_SIZE -1 -i];
+ intf_ErrMsg( "CSS Error :Send challenge to LU failed ");
+ return css;
}
-fprintf( stderr, "6\n" );
-
- i=0;
- do {
- CSSCryptKey( 0, i, css.keys.pi_challenge, css.keys.pi_key_check );
- i++;
-
- intf_Msg( "Drive Authentic - using varient %d", i-1 );
-
- } while( (i<32) &&
- ( memcmp( css.keys.pi_key_check, css.keys.pi_key1, KEY_SIZE ) != 0 ) );
-fprintf( stderr, "1\n" );
-
- css.keys.i_version = i-1;
- auth.type = DVD_LU_SEND_CHALLENGE;
- if( ioctl( i_fd, DVD_AUTH, &auth ) < 0 )
+ /* Get key1 from LU */
+ if( ioctl( i_fd, DVD_AUTH, &ai )<0)
{
- intf_ErrMsg( "DVD ioctl error in CSSInit (drive Keys)" );
- css.b_error = 1;
- return css;
+ intf_ErrMsg( "CSS Error :Get key1 from LU failed ");
+ return css;
}
-fprintf( stderr, "7\n" );
- for( i = 0; i < 2*KEY_SIZE; ++i )
+ /* Send key1 to host */
+// if (_CSSAuthHost(&ai, disc) < 0) {
+ if( CSSAuthHost( &ai, &(css.disc) )<0)
{
- css.keys.pi_challenge[i] = auth.hsc.chal[2*KEY_SIZE -1 -i];
+ intf_ErrMsg( "CSS Error :Send key1 to host failed" );
+ return css;
}
- CSSCryptKey( 1, css.keys.i_version,
- css.keys.pi_challenge, css.keys.pi_key2 );
-
- auth.type = DVD_HOST_SEND_KEY2;
- for( i = 0 ; i < KEY_SIZE ; ++i )
+
+ /* Get challenge from LU */
+ if( ioctl( i_fd, DVD_AUTH, &ai)<0 )
{
- auth.hsk.key[4-i] = css.keys.pi_key2[i];
+ intf_ErrMsg( "CSS Error :Get challenge from LU failed ");
+ return css;
}
-fprintf( stderr, "8\n" );
- if( ioctl( i_fd, DVD_AUTH, &auth ) < 0)
+ /* Send challenge to host */
+ if( CSSAuthHost( &ai, &(css.disc) )<0 )
{
- intf_ErrMsg( "Send key2 to LU failed (expected)" );
- css.b_error = 1;
+ intf_ErrMsg( "CSS Error :Send challenge to host failed");
return css;
}
-fprintf( stderr, "9\n" );
-
- memcpy( css.keys.pi_challenge, css.keys.pi_key1, KEY_SIZE );
- memcpy( css.keys.pi_challenge+KEY_SIZE, css.keys.pi_key2, KEY_SIZE );
-fprintf( stderr, "10\n" );
- CSSCryptKey( 2, css.keys.i_version,
- css.keys.pi_challenge, css.keys.pi_key_check );
-
- intf_WarnMsg( 3, "DVD agid : %d", css.i_agid );
-fprintf( stderr, "11\n" );
-#else
-
- DiscKeys *disc = &discKeys;
-
- dvd_authinfo ai;
- int i, agid;
- dvd_struct s;
- int fd=i_fd;
- int tries;
- int rv=-1;
- css_t css;
-
-
-
- memset (&ai, 0, sizeof (ai));
- if (CSSGetASF (fd))
- return css;
+ /* Get key2 from host */
+ if( CSSAuthHost( &ai, &(css.disc) )<0 )
+ {
+ intf_ErrMsg( "CSS Error :Get key2 from host failed" );
+ return css;
+ }
+ /* Send key2 to LU */
+ if( ioctl( i_fd, DVD_AUTH, &ai )<0 )
+ {
+ intf_ErrMsg( "CSS Error :Send key2 to LU failed (expected)" );
+ return css;
+ }
- /* Init sequence, request AGID */
- for (tries = 1; (tries < 4)&&(rv== -1) ; ++tries) {
- intf_ErrMsg( "Request AGID [%d]...", tries );
- ai.type = DVD_LU_SEND_AGID;
- ai.lsa.agid = 0;
- rv = ioctl (fd, DVD_AUTH, &ai);
- if (rv == -1) {
- intf_ErrMsg( "N/A, invalidating" );
- ai.type = DVD_INVALIDATE_AGID;
- ai.lsa.agid = 0;
- ioctl (fd, DVD_AUTH, &ai);
- }
- }
- if (rv != -1) {
- intf_ErrMsg("Cannot get AGID\n");
+ if( ai.type == DVD_AUTH_ESTABLISHED )
+ {
+ intf_ErrMsg("CSS Error :DVD is authenticated");
+ }
+ else if( ai.type == DVD_AUTH_FAILURE )
+ {
+ intf_ErrMsg("CSS Error :DVD authentication failed");
}
- for (i = 0; i < 10; ++i)
- disc->Challenge[i] = i;
-
- /* Send AGID to host */
- if (_CSSAuthHost(&ai, disc) < 0) {
- intf_ErrMsg("CSS Error :Send AGID to host failed\n");
- return css;
- }
- /* Get challenge from host */
- if (_CSSAuthHost(&ai, disc) < 0) {
- intf_ErrMsg("CSS Error :Get challenge from host failed\n");
- return css;
- }
- agid = ai.lsa.agid;
- /* Send challenge to LU */
- if (ioctl(fd, DVD_AUTH, &ai) < 0) {
- intf_ErrMsg("CSS Error :Send challenge to LU failed\n");
- return css;
- }
- /* Get key1 from LU */
- if (ioctl(fd, DVD_AUTH, &ai) < 0) {
- intf_ErrMsg("CSS Error :Get key1 from LU failed\n");
- return css;
- }
- /* Send key1 to host */
- if (_CSSAuthHost(&ai, disc) < 0) {
- intf_ErrMsg("CSS Error :Send key1 to host failed\n");
- return css;
- }
- /* Get challenge from LU */
- if (ioctl(fd, DVD_AUTH, &ai) < 0) {
- intf_ErrMsg("CSS Error :Get challenge from LU failed\n");
- return css;
- }
- /* Send challenge to host */
- if (_CSSAuthHost (&ai, disc) < 0) {
- intf_ErrMsg("CSS Error :Send challenge to host failed\n");
- return css;
- }
- /* Get key2 from host */
- if (_CSSAuthHost (&ai, disc) < 0) {
- intf_ErrMsg("CSS Error :Get key2 from host failed\n");
- return css;
- }
- /* Send key2 to LU */
- if (ioctl(fd, DVD_AUTH, &ai) < 0) {
- intf_ErrMsg("CSS Error :Send key2 to LU failed (expected)\n");
- return css;
- }
-
- if (ai.type == DVD_AUTH_ESTABLISHED)
- intf_ErrMsg("CSS Error :DVD is authenticated\n");
- else if (ai.type == DVD_AUTH_FAILURE)
- intf_ErrMsg("CSS Error :DVD authentication failed\n");
-
- memcpy (disc->Challenge, disc->Key1, KEY_SIZE);
- memcpy (disc->Challenge+KEY_SIZE, disc->Key2, KEY_SIZE);
- CryptBusKey (disc->varient, disc->Challenge, disc->KeyCheck);
+ memcpy( css.disc.pi_challenge, css.disc.pi_key1, KEY_SIZE );
+ memcpy( css.disc.pi_challenge+KEY_SIZE, css.disc.pi_key2, KEY_SIZE );
+ CSSCryptKey( 2, css.disc.i_varient,
+ css.disc.pi_challenge,
+ css.disc.pi_key_check );
intf_Msg( "Received Session Key\n" );
for( i=0 ; i<KEY_SIZE ; i++ )
{
- intf_Msg( "%02x", &disc->KeyCheck[i] );
+ intf_Msg( "%02x", &(css.disc.pi_key_check[i]) );
}
intf_Msg( "\n" );
- if (agid < 0)
- return css;
-
- if (CSSGetASF (fd) < 0)
- return css;
-
- s.type = DVD_STRUCT_DISCKEY;
- s.disckey.agid = agid;
- memset (s.disckey.value, 0, 2048);
-
- if (ioctl(fd, DVD_READ_STRUCT, &s)<0) {
- intf_ErrMsg( "Error : Could not read Disc Key" );
- css.b_error = 1;
- return css;
- }
-
- for (i=0; i<sizeof s.disckey.value; i++)
- s.disckey.value[i] ^= disc->KeyCheck[4 - (i % KEY_SIZE)];
-
-// _CSSPrintDebugBytes ("Received Disc Key", s.disckey.value, 10);
+ if( css.i_agid < 0 )
+ {
+ return css;
+ }
- memcpy (disc->KeyCheck, s.disckey.value, 2048);
+// if (CSSGetASF (i_fd) < 0)
+// return css;
+ dvd.type = DVD_STRUCT_DISCKEY;
+ dvd.disckey.agid = css.i_agid;
+ memset( dvd.disckey.value, 0, 2048 );
- if (CSSGetASF (fd) < 0)
+ if( ioctl( i_fd, DVD_READ_STRUCT, &dvd )<0 )
{
+ fprintf( stderr, "Error : Could not read Disc Key" );
css.b_error = 1;
- return css;
+ return css;
}
-
-
-#endif
+ for (i=0; i<sizeof dvd.disckey.value; i++)
+ {
+ dvd.disckey.value[i] ^= css.disc.pi_key_check[4 - (i % KEY_SIZE)];
+ }
+// _CSSPrintDebugBytes ("Received Disc Key", s.disckey.value, 10);
+ memcpy( css.disc.pi_key_check, dvd.disckey.value, 2048 );
+//
+// if (CSSGetASF (i_fd) < 0)
+// {
+// css.b_error = 1;
+// return css;
+// }
return css;
}
* the title keys.
* The DVD should have been opened before.
*****************************************************************************/
-
#define MaxKeys 1000
-
+#define REPEAT 20
struct
{
int verbosity ; /* 0-9 */
typedef struct
{
int occ;
- DVD40bitKey key;
+ DVD_key_t key;
} KeyOcc;
return 1;
}
-#else
+#endif
+#if 1
/*
* Cracking method from Ethan Hawke.
* Does not use key tables and ioctls.
*/
- FILE* in;
- unsigned char buf[0x800] ;
- DVD40bitKey MyKey ;
- int pos ;
- int BytesRead ;
- int BestPLen ;
- int BestP ;
- int i,j,k ;
- int encrypted=0 ;
- int filsize ;
- KeyOcc PosKey[MaxKeys] ;
- int RegisteredKeys = 0 ;
- int TotalKeysFound = 0 ;
- int StopScanning = 0 ;
- int highest=0 ;
-
-
-if( (in = fopen( "/dvd/video_ts/vts_01_1.vob", "rb") ) )
-{
-fprintf( stderr, "CSS:File opened\n" );
-pos = 0;
-fseek(in,0,SEEK_END);
-filsize = ftell(in);
-fseek(in,0,SEEK_SET);
-do
-{
-if (params.verbosity >= 1 && filsize > 1024*1024)
-{
-fprintf(stderr, "%.2f of file read, %i keys found...\r",
-pos*100.0/filsize,
-TotalKeysFound);
-}
-BytesRead = fread(buf,1,0x800,in);
-if (buf[0x14] & 0x30) // PES_scrambling_control
-{
-encrypted = 1;
-BestPLen = 0;
-BestP = 0;
-for(i=2;i<0x30;i++)
-{
-for(j=i; (j < 0x80) && (buf[0x7F - (j%i)] == buf[0x7F-j]); j++);
-if ((j>BestPLen) && (j>i))
-{
-BestPLen = j;
-BestP = i;
-}
-}
-if ((BestPLen > 20) && (BestPLen / BestP >= 2))
-{
-i = CSScracker(0,&buf[0x80],&buf[0x80-(BestPLen/BestP)*BestP],(DVD40bitKey*)&buf[0x54],&MyKey);
-while (i>=0)
-{
-k = 0;
-for(j=0;j<RegisteredKeys;j++)
-{
-if (memcmp(&(PosKey[j].key),&MyKey,sizeof(DVD40bitKey))==0)
-{
-PosKey[j].occ++ ;
-TotalKeysFound++ ;
-k = 1 ;
-}
-}
-if (k==0)
-{
-memcpy(&(PosKey[RegisteredKeys].key), &MyKey, sizeof(DVD40bitKey)) ;
-PosKey[RegisteredKeys++].occ = 1 ;
-TotalKeysFound++ ;
-}
-if (params.verbosity >= 2)
-{
-fprintf(stderr, "\nOfs:%08X - Key: %02X %02X %02X %02X %02X\n",
-pos, MyKey[0] ,MyKey[1], MyKey[2],
-MyKey[3], MyKey[4]) ;
-}
-i = CSScracker(i,&buf[0x80],&buf[0x80-(BestPLen/BestP)*BestP],(DVD40bitKey*)&buf[0x54],&MyKey);
-
-
-
-
-
-}
-if (params.scanall==0 && RegisteredKeys==1 && PosKey[0].occ >= params.repetitions)
-{
-StopScanning = 1;
-}
-}
-}
-
-pos += BytesRead;
-} while (BytesRead==0x800 && !StopScanning);
-fclose(in);
-if (params.verbosity >= 1 && StopScanning)
-{
-fprintf(stderr, "Found enough occurancies of the same key. Scan stopped.");
-}
-if (params.verbosity >= 1)
-{
-fprintf(stderr, "\n\n") ;
-}
-}
-else
-{
-fprintf(stderr, "FILE ERROR: File could not be opened. [Check if file is readable]\n");
-return(1);
-}
-if (!encrypted)
-{
-fprintf(stderr, "This file was _NOT_ encrypted!\n");
-return(0);
-}
-if (encrypted && RegisteredKeys==0)
-{
-fprintf(stderr, "Sorry... Unable to determine keys from file.\n");
-return(1);
-}
-for(i=0;i<RegisteredKeys-1;i++)
-{
-for(j=i+1;j<RegisteredKeys;j++)
-{
-if (PosKey[j].occ>PosKey[i].occ)
-{
-memcpy(&MyKey,&(PosKey[j].key),sizeof(DVD40bitKey));
-k = PosKey[j].occ;
-memcpy(&(PosKey[j].key),&(PosKey[i].key),sizeof(DVD40bitKey));
-PosKey[j].occ = PosKey[i].occ;
-memcpy(&(PosKey[i].key),&MyKey,sizeof(DVD40bitKey));
-PosKey[i].occ = k;
-}
-}
-}
-if (params.verbosity >= 1)
-{
-fprintf(stderr, " Key(s) & key probability\n--------------------------\n");
-highest=0 ;
-for(i=0; i<RegisteredKeys; i++)
-{
-fprintf(stderr, "%d) %02X %02X %02X %02X %02X - %3.2f%%\n", i,
-PosKey[i].key[0],PosKey[i].key[1],PosKey[i].key[2],
-PosKey[i].key[3],PosKey[i].key[4],
-PosKey[i].occ*100.0/TotalKeysFound) ;
-if (PosKey[highest].occ*100.0/TotalKeysFound
- <= PosKey[i].occ*100.0/TotalKeysFound)
-{
-highest=i ;
-}
-}
-fprintf(stderr, "\n");
-}
-/* The "find the key with the highest probability" code
-is untested, as I haven't been able to find a VOB that
-produces multiple keys (RT)
-*/
-printf("%02X %02X %02X %02X %02X\n",
-PosKey[highest].key[0],PosKey[highest].key[1],PosKey[highest].key[2],
-PosKey[highest].key[3],PosKey[highest].key[4]) ;
-
- for( i=0 ; i<5 ; i++ )
+ u8 pi_buf[0x800] ;
+ DVD_key_t my_key;
+ title_key_t title_key[MaxKeys] ;
+ int i_title;
+ int i_pos = 0;
+ int i_bytes_read;
+ int i_best_plen;
+ int i_best_p;
+ int i,j,k;
+ int i_registered_keys = 0 ;
+ int i_total_keys_found = 0 ;
+ int i_highest=0 ;
+ boolean_t b_encrypted = 0;
+ boolean_t b_stop_scanning = 0 ;
+
+ int i_fd = p_css->i_fd;
+
+ for( i_title=0 ; i_title<1/*p_css->i_title_nb*/ ; i_title++ )
{
-// p_css->p_title_key->key[i] = PosKey[highest].key[i];
+ i_pos = p_css->p_title_key[i_title].i;
+// FIXME : Ugly Kludge
+#if 1
+i_fd = open( "/dvd/video_ts/vts_01_1.vob", O_RDONLY|O_NONBLOCK);
+fprintf( stderr, "CSS:File opened\n" );
+i_pos = 0;
+#endif
+ do
+ {
+ i_pos = lseek64( i_fd, i_pos, SEEK_SET );
+ i_bytes_read = read( i_fd, pi_buf, 0x800 );
+ if( pi_buf[0x14] & 0x30 ) // PES_scrambling_control
+ {
+ b_encrypted = 1;
+ i_best_plen = 0;
+ i_best_p = 0;
+ for( i=2 ; i<0x30 ; i++ )
+ {
+ for( j=i ; (j<0x80) &&
+ (pi_buf[0x7F - (j%i)] == pi_buf[0x7F-j]) ; j++ );
+ if( (j>i_best_plen) && (j>i) )
+ {
+ i_best_plen = j;
+ i_best_p = i;
+ }
+ }
+ if( (i_best_plen>20) && (i_best_plen / i_best_p >= 2) )
+ {
+ i = CSScracker( 0, &pi_buf[0x80],
+ &pi_buf[0x80 - ( i_best_plen / i_best_p) *i_best_p],
+ (DVD_key_t*)&pi_buf[0x54],
+ &my_key );
+ while( i>=0 )
+ {
+ k = 0;
+ for( j=0 ; j<i_registered_keys ; j++ )
+ {
+ if( memcmp( &(title_key[j].key),
+ &my_key, sizeof(DVD_key_t) ) == 0 )
+ {
+ title_key[j].i++;
+ i_total_keys_found++;
+ k = 1;
+ }
+ }
+ if( k == 0 )
+ {
+ memcpy( &( title_key[i_registered_keys].key),
+ &my_key,
+ sizeof(DVD_key_t) );
+ title_key[i_registered_keys++].i = 1;
+ i_total_keys_found++;
+ }
+
+ fprintf(stderr, "\nOfs:%08X - Key: %02X %02X %02X %02X %02X\n",
+ i_pos, my_key[0], my_key[1], my_key[2],
+ my_key[3], my_key[4] );
+
+ i = CSScracker( i, &pi_buf[0x80],
+ &pi_buf[0x80 -( i_best_plen / i_best_p) *i_best_p],
+ (DVD_key_t*)&pi_buf[0x54], &my_key);
+ }
+ if( i_registered_keys == 1 && title_key[0].i >= REPEAT )
+ {
+ b_stop_scanning = 1;
+ }
+ }
+ }
+ i_pos += i_bytes_read;
+ } while( i_bytes_read == 0x800 && !b_stop_scanning);
+
+ if( b_stop_scanning)
+ {
+ fprintf( stderr,
+ "Found enough occurancies of the same key. Scan stopped.\n" );
+ }
+ if( !b_encrypted )
+ {
+ fprintf(stderr, "This file was _NOT_ encrypted!\n");
+ return(0);
+ }
+ if( b_encrypted && i_registered_keys == 0 )
+ {
+ fprintf(stderr, "Sorry... Unable to determine keys from file.\n");
+ return(1);
+ }
+ for( i=0 ; i<i_registered_keys-1 ; i++ )
+ {
+ for( j=i+1 ; j<i_registered_keys ; j++ )
+ {
+ if( title_key[j].i > title_key[i].i )
+ {
+ memcpy( &my_key, &(title_key[j].key), sizeof(DVD_key_t) );
+ k = title_key[j].i;
+ memcpy( &(title_key[j].key),
+ &(title_key[i].key), sizeof(DVD_key_t) );
+ title_key[j].i = title_key[i].i;
+ memcpy( &(title_key[i].key),&my_key, sizeof(DVD_key_t) );
+ title_key[i].i = k;
+ }
+ }
+ }
+ fprintf(stderr, " Key(s) & key probability\n---------------------\n");
+ i_highest = 0;
+ for( i=0 ; i<i_registered_keys ; i++ )
+ {
+ fprintf(stderr, "%d) %02X %02X %02X %02X %02X - %3.2f%%\n", i,
+ title_key[i].key[0], title_key[i].key[1],
+ title_key[i].key[2], title_key[i].key[3],
+ title_key[i].key[4],
+ title_key[i].i * 100.0 / i_total_keys_found );
+ if( title_key[i_highest].i * 100.0 / i_total_keys_found
+ <= title_key[i].i*100.0 / i_total_keys_found )
+ {
+ i_highest = i;
+ }
+ }
+ fprintf(stderr, "\n");
+
+ /* The "find the key with the highest probability" code
+ * is untested, as I haven't been able to find a VOB that
+ * produces multiple keys (RT)
+ */
+ printf( "%02X %02X %02X %02X %02X\n",
+ title_key[i_highest].key[0],
+ title_key[i_highest].key[1],
+ title_key[i_highest].key[2],
+ title_key[i_highest].key[3],
+ title_key[i_highest].key[4] );
+
+ memcpy( p_css->p_title_key[i_title].key,
+ title_key[i_highest].key, KEY_SIZE );
}
-
#endif
return 0;
}
/*****************************************************************************
* CSSDescrambleSector
+ * ---
+ * sec : sector to descramble
+ * key : title key for this sector
*****************************************************************************/
-int CSSDescrambleSector( DVD40bitKey* key, unsigned char * sec )
+int CSSDescrambleSector( DVD_key_t* key, u8* pi_sec )
{
-#if 0
- FILE *in,*out ;
- unsigned char buf[0x800] ;
- int pos ;
- int BytesRead ;
- int BytesWritten ;
- int filsize ;
-
- do {
- BytesRead = fread(&buf,1,0x800,in);
- if (buf[0x14] & 0x30) // PES_scrambling_control
+ unsigned int i_t1, i_t2, i_t3, i_t4, i_t5, i_t6;
+ u8* pi_end = pi_sec + 0x800;
+
+ if( pi_sec[0x14] & 0x30) // PES_scrambling_control
{
- unsigned int t1,t2,t3,t4,t5,t6;
- unsigned char *end=sec+0x800;
-
- t1=((*key)[0] ^ sec[0x54]) | 0x100;
- t2=(*key)[1] ^ sec[0x55];
- t3= (((*key)[2]) | ((*key)[3]<<8) |
- ((*key)[4]<<16)) ^ ((sec[0x56]) |
- (sec[0x57]<<8) | (sec[0x58]<<16));
- t4=t3&7;
- t3=t3*2+8-t4;
- sec+=0x80;
- t5=0;
-
- while(sec!=end)
+ i_t1 = ((*key)[0] ^ pi_sec[0x54]) | 0x100;
+ i_t2 = (*key)[1] ^ pi_sec[0x55];
+ i_t3 = (((*key)[2]) | ((*key)[3] << 8) |
+ ((*key)[4] << 16)) ^ ((pi_sec[0x56]) |
+ (pi_sec[0x57] << 8) | (pi_sec[0x58] << 16));
+ i_t4 = i_t3 & 7;
+ i_t3 = i_t3 * 2 + 8 - i_t4;
+ pi_sec += 0x80;
+ i_t5 = 0;
+
+ while( pi_sec != pi_end )
{
- t4 = pi_css_tab2[t2] ^ pi_css_tab3[t1];
- t2=t1>>1;
- t1=((t1&1)<<8)^t4;
- t4 = pi_css_tab5[t4];
- t6=(((((((t3>>3)^t3)>>1)^t3)>>8)^t3)>>5)&0xff;
- t3=(t3<<8)|t6;
- t6 = pi_css_tab4[t6];
- t5+=t6+t4;
- *sec++= pi_css_tab1[*sec]^(t5&0xff);
- t5>>=8;
+ i_t4 = pi_css_tab2[i_t2] ^ pi_css_tab3[i_t1];
+ i_t2 = i_t1>>1;
+ i_t1 = ( ( i_t1 & 1 ) << 8 ) ^ i_t4;
+ i_t4 = pi_css_tab5[i_t4];
+ i_t6 = ((((((( i_t3 >> 3 ) ^ i_t3 ) >> 1 ) ^
+ i_t3 ) >> 8 ) ^ i_t3 ) >> 5) & 0xff;
+ i_t3 = (i_t3 << 8 ) | i_t6;
+ i_t6 = pi_css_tab4[i_t6];
+ i_t5 += i_t6 + i_t4;
+ *pi_sec++ = pi_css_tab1[*pi_sec] ^( i_t5 & 0xff );
+ i_t5 >>= 8;
}
- buf[0x14] &= 0x8F;
+ pi_sec[0x14] &= 0x8F;
}
- BytesWritten = fwrite(&buf,1,BytesRead,out);
- if (BytesWritten!=BytesRead)
- {
- fprintf(stderr, "Could not write to output file.\n");
- return(1);
- }
- pos += BytesRead;
- } while (BytesRead==0x800);
-
-#endif
- return(0);
+ return(0);
}