DVD解码源代码大公布
作者 佚名技术
来源 程序设计
浏览
发布时间 2012-06-30
| xf1, 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 CSStab5[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 }; void CSSdescramble(unsigned char *sec,unsigned char *key) { 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=(*((unsigned int *)(key+2)))^(*((unsigned int *)(sec+0x56))); t4=t3&7; t3=t3*2+8-t4; sec+=0x80; t5=0; while(sec!=end) { t4=CSStab2[t2]^CSStab3[t1]; t2=t1>>1; t1=((t1&1)<<8)^t4; t4=CSStab5[t4]; t6=(((((((t3>>3)^t3)>>1)^t3)>>8)^t3)>>5)&0xff; t3=(t3<<8)|t6; t6=CSStab4[t6]; t5+=t6+t4; *sec++=CSStab1[*sec]^(t5&0xff); t5>>=8; } } void CSStitlekey1(unsigned char *key,unsigned char *im) { unsigned int t1,t2,t3,t4,t5,t6; unsigned char k[5]; int i; t1=im[0]|0x100; t2=im[1]; t3=*((unsigned int *)(im+2)); t4=t3&7; t3=t3*2+8-t4; t5=0; for(i=0;i<5;i++) { t4=CSStab2[t2]^CSStab3[t1]; t2=t1>>1; t1=((t1&1)<<8)^t4; t4=CSStab4[t4]; t6=(((((((t3>>3)^t3)>>1)^t3)>>8)^t3)>>5)&0xff; t3=(t3<<8)|t6; t6=CSStab4[t6]; t5+=t6+t4; k[i]=t5&0xff; t5>>=8; } for(i=9;i>=0;i--) key[CSStab0[i+1]]=k[CSStab0[i+1]]^CSStab1[key[CSStab0[i+1]]]^key[CSStab0[i]]; } void CSStitlekey2(unsigned char *key,uns |
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