// Processing Key static unsigned char processing_key[16] = {0x09,0xF9,0x11,0x02,0x9D,0x74,0xE3,0x5B,0xD8,0x41,0x56,0xC5,0x63,0x56,0x88,0xC0}; // Encrypted C Value static unsigned char encrypted_c_value[16] = {0x6D,0x02,0xCA,0xC6,0x7B,0x1A,0x7E,0x95,0xC2,0x16,0xEF,0xD4,0xC9,0x28,0x09,0xCF}; //Decrypted C Value static unsigned char decrypted_c_value[16]; static unsigned char uv[4] = {0x00,0x00,0x00,0x01}; // Media Key static unsigned char media_key[16]; //Encrypted Verification Data (King Kong) static unsigned char encrypted_verification_data[16] = {0x87,0xB8,0xA2,0xB7,0xC1,0x0B,0x9F,0xAD,0xF8,0xC4,0x36,0x1E,0x23,0x86,0x59,0xE5}; //Decrypted Verification Data Should Be static unsigned char decrypted_verification_data_should_be[8] = {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}; //Decrypted Verification Data static unsigned char decrypted_verification_data[16]; // Volume ID static unsigned char volume_id[16] = {0x40,0x00,0x09,0x18,0x20,0x06,0x08,0x41,0x00,0x20,0x20,0x20,0x20,0x20,0x00,0x00}; //Decrypted Volume ID static unsigned char decrypted_volumeid[16]; //Volume Unique Key static unsigned char volume_unqiue_key[16]; // First decrypt the C-value with the processing key oRijndael.MakeKey((char *)processing_key, CRijndael::sm_chain0, 16, 16); oRijndael.DecryptBlock((char *)encrypted_c_value, (char *)decrypted_c_value); // Then XOR it with with the uv (of the corresponding C-value) for (j = 0; j < 16; j++) { if (j < 12) { media_key[j] = decrypted_c_value[j]; } else { media_key[j] = decrypted_c_value[j]^uv[j-12]; } } // Then check if the resulting media key is correct using the verify media key record oRijndael.MakeKey((char *)media_key, CRijndael::sm_chain0, 16, 16); oRijndael.DecryptBlock((char *)encrypted_verification_data, (char *)decrypted_verification_data); if (!memcmp(decrypted_verification_data_should_be, decrypted_verification_data, 8)) { for (j = 0; j < 16; j++) { printf("%02X ", decrypted_verification_data[j]); } } printf("\n"); // Then do a AES-G (basicly a decrypt and an XOR) on the media key + volumeID oRijndael.MakeKey((char *)media_key, CRijndael::sm_chain0, 16, 16); oRijndael.DecryptBlock((char *)volume_id, (char *)decrypted_volumeid); for (j = 0; j < 16; j++) { volume_unqiue_key[j] = volume_id[j]^decrypted_volumeid[j]; } printf("\n"); // This results in the Volume Unique Key for (j = 0; j < 16; j++) { printf("%02X ", volume_unqiue_key[j]); } printf("\n");