#include "__wpad.h" #include "cstring" static u8 SEED; static u8 NUM_A; static u8 NUM_B; static u8 NUM_C; static u8 base[0x2A] = { 0xA8, 0x77, 0xA6, 0xE0, 0xF7, 0x43, 0x5A, 0x35, 0x85, 0xE2, 0x72, 0x97, 0x8F, 0xB7, 0x1A, 0x62, 0x87, 0x38, 0x0D, 0x67, 0xC7, 0xBE, 0x4F, 0x3E, 0x20, 0x76, 0x37, 0x8F, 0x68, 0xB7, 0xA9, 0x26, 0x3F, 0x2B, 0x10, 0xE3, 0x30, 0x7E, 0x90, 0x0E, 0x85, 0x0A, }; static u8 tb[0x900] = { 0x70, 0x51, 0x03, 0x86, 0x40, 0x0D, 0x4F, 0xEB, 0x3E, 0xCC, 0xD1, 0x87, 0x35, 0xBD, 0xF5, 0x0B, 0x5E, 0xD0, 0xF8, 0xF2, 0xD5, 0xE2, 0x6C, 0x31, 0x0C, 0xAD, 0xFC, 0x21, 0xC3, 0x78, 0xC1, 0x06, 0xC2, 0x4C, 0x55, 0xE6, 0x4A, 0x34, 0x48, 0x11, 0x1E, 0xDA, 0xE7, 0x1A, 0x84, 0xA0, 0x96, 0xA7, 0xE3, 0x7F, 0xAF, 0x63, 0x9C, 0xFA, 0x23, 0x5B, 0x79, 0xC8, 0x9E, 0xBA, 0xB2, 0xC9, 0x22, 0x12, 0x4B, 0xB3, 0xA1, 0xB6, 0x32, 0x49, 0xA2, 0xE1, 0x89, 0x39, 0x10, 0x66, 0xC5, 0x07, 0x8F, 0x54, 0xEA, 0x91, 0xCA, 0x3F, 0xF9, 0x19, 0xF0, 0xD7, 0x46, 0xBC, 0x28, 0x1B, 0x61, 0xE8, 0x2F, 0x6A, 0xAE, 0x9D, 0xF6, 0x4E, 0x09, 0x14, 0x77, 0x4D, 0xDB, 0x1F, 0x2E, 0x7B, 0x7C, 0xF1, 0x43, 0xA3, 0x00, 0xB8, 0x13, 0x8C, 0x85, 0xB9, 0x29, 0x75, 0x88, 0xFD, 0xD2, 0x56, 0x1C, 0x50, 0x97, 0x41, 0xE5, 0x3B, 0x60, 0xB5, 0xC0, 0x64, 0xEE, 0x98, 0xD6, 0x2D, 0x25, 0xA4, 0xAA, 0xCD, 0x7D, 0xA8, 0x83, 0xC6, 0xAB, 0xBE, 0x44, 0x99, 0x26, 0x3C, 0xCE, 0x9F, 0xBF, 0xD3, 0xCB, 0x76, 0x7A, 0x7E, 0x82, 0x01, 0x8A, 0x9A, 0x80, 0x1D, 0x0E, 0xB0, 0x5C, 0xD4, 0x38, 0x62, 0xF4, 0x30, 0xE0, 0x8E, 0x53, 0xB7, 0x02, 0x57, 0xAC, 0xA6, 0x52, 0x0A, 0x6D, 0x92, 0x65, 0x17, 0x24, 0x33, 0x45, 0x72, 0x74, 0xB1, 0xB4, 0xF7, 0x5D, 0xED, 0x2C, 0xFF, 0x47, 0x37, 0x5A, 0x90, 0xBB, 0xDF, 0x2A, 0x16, 0x59, 0x95, 0xD9, 0xC4, 0x27, 0x67, 0x73, 0xC7, 0x68, 0xFE, 0xA5, 0xDD, 0x6B, 0x5F, 0x93, 0xD8, 0xEC, 0x05, 0x3A, 0x8D, 0x6E, 0xFB, 0x3D, 0xA9, 0x69, 0x36, 0xF3, 0x94, 0xDE, 0xEF, 0x15, 0x6F, 0x8B, 0x9B, 0x08, 0x0F, 0xDC, 0x81, 0x18, 0x20, 0x04, 0xE4, 0x71, 0xCF, 0xE9, 0x2B, 0x42, 0x58, 0x01, 0xA0, 0xA9, 0x62, 0xD6, 0x3F, 0x85, 0xA7, 0xB6, 0xD4, 0xFA, 0x15, 0x66, 0x17, 0x09, 0xBD, 0x5D, 0x14, 0x34, 0x26, 0x59, 0x72, 0x91, 0x54, 0x06, 0x4F, 0xF8, 0xB0, 0x5B, 0x74, 0x93, 0x99, 0x8C, 0xF2, 0x45, 0xCD, 0xEA, 0x4E, 0xAD, 0x10, 0x4A, 0xE5, 0xCA, 0xEE, 0xDF, 0xC6, 0x6F, 0x9F, 0x88, 0x8E, 0x02, 0xCC, 0x08, 0xA8, 0x77, 0x94, 0x6D, 0x21, 0xB1, 0x28, 0xE4, 0x39, 0x79, 0x96, 0x60, 0x71, 0x81, 0x16, 0x2E, 0xE6, 0x78, 0xB9, 0xC4, 0x46, 0x9A, 0x42, 0xAE, 0xB7, 0x7C, 0x43, 0xB3, 0x22, 0x1A, 0x86, 0xC2, 0x32, 0x3D, 0x2D, 0x9C, 0xD2, 0x29, 0xE9, 0x63, 0x9B, 0xD1, 0x31, 0x38, 0x5E, 0x1E, 0x36, 0x41, 0xBB, 0x03, 0x18, 0x2B, 0x3E, 0xBF, 0x68, 0x61, 0xFC, 0x52, 0xC0, 0xDE, 0xE0, 0x0A, 0x58, 0x13, 0x5A, 0x00, 0xBE, 0x1C, 0x90, 0x0E, 0x53, 0x12, 0xFD, 0xE2, 0x6E, 0xBA, 0xCE, 0x24, 0x27, 0x44, 0x7F, 0x87, 0xA3, 0xA1, 0xD5, 0x50, 0x40, 0xE3, 0xF9, 0x83, 0xF7, 0xC7, 0xA2, 0x35, 0xC8, 0xDB, 0x19, 0xAB, 0x2F, 0x11, 0x25, 0xED, 0x33, 0x9E, 0x55, 0xE1, 0x48, 0xAF, 0x73, 0x84, 0xDA, 0x2A, 0xAA, 0x51, 0xEB, 0x9D, 0x95, 0xB2, 0xCB, 0xE7, 0x70, 0x80, 0xFE, 0x4C, 0x65, 0x04, 0xEF, 0xC5, 0xF1, 0xC3, 0x3A, 0xB4, 0xF5, 0x5F, 0x23, 0x89, 0xDD, 0x30, 0xA5, 0x8B, 0xD3, 0xF6, 0xDC, 0x4D, 0x64, 0xD7, 0xF0, 0x8F, 0xEC, 0x56, 0x37, 0x5C, 0xA4, 0x0D, 0x07, 0x76, 0x8A, 0x2C, 0x0B, 0xB5, 0xD8, 0xC1, 0x1F, 0xE8, 0x3B, 0xF4, 0x4B, 0x1B, 0x47, 0x6C, 0x49, 0x67, 0x7B, 0x92, 0xCF, 0x75, 0x7E, 0x20, 0xD9, 0x7D, 0x3C, 0x97, 0x7A, 0xD0, 0x05, 0x6B, 0x0F, 0x1D, 0xFB, 0x82, 0x98, 0x57, 0x8D, 0xF3, 0x6A, 0xBC, 0xAC, 0xC9, 0xA6, 0xFF, 0xB8, 0x69, 0x0C, 0x4C, 0x4D, 0x72, 0x07, 0x5A, 0x49, 0x33, 0x8D, 0xA2, 0xAB, 0x46, 0x3D, 0x63, 0x0D, 0xA0, 0x97, 0xFF, 0xF0, 0xF5, 0xFA, 0xC0, 0xE9, 0xDB, 0x62, 0xE4, 0xE1, 0x74, 0x43, 0xDC, 0x86, 0x18, 0x29, 0x37, 0xF4, 0x06, 0xE2, 0xED, 0x6F, 0x90, 0x48, 0x1E, 0x2D, 0x1D, 0xEA, 0x73, 0x94, 0x54, 0xDF, 0x25, 0xF6, 0x47, 0x27, 0xD9, 0x11, 0x77, 0xC9, 0x84, 0x1C, 0x5B, 0x5C, 0x51, 0x81, 0xA6, 0x22, 0x3E, 0x24, 0x96, 0xC8, 0x8A, 0xEC, 0x82, 0x7C, 0x09, 0xB8, 0x45, 0x4A, 0x57, 0xBB, 0x2F, 0x50, 0x75, 0x8E, 0x61, 0x70, 0x8C, 0x6C, 0xAF, 0xD0, 0xFD, 0xB4, 0x1B, 0xAE, 0xDE, 0xFE, 0x3B, 0xB5, 0x36, 0xBD, 0x55, 0x01, 0x0E, 0x9C, 0x41, 0x56, 0x5F, 0xB3, 0x26, 0x03, 0x83, 0xBA, 0x13, 0x4B, 0xCA, 0xC5, 0x0A, 0xF8, 0x60, 0xA5, 0xB9, 0xC7, 0xC3, 0x98, 0x32, 0xFB, 0x12, 0xF9, 0xA7, 0x92, 0xAA, 0x68, 0xF3, 0x78, 0x7E, 0x05, 0x20, 0x21, 0x02, 0xE8, 0xBF, 0xF2, 0xB0, 0x59, 0x8F, 0xD2, 0xCB, 0x87, 0x65, 0x15, 0xF1, 0x1A, 0xB2, 0x30, 0xAD, 0xEE, 0x58, 0xA3, 0x8B, 0x66, 0x1F, 0x2C, 0xD7, 0x5D, 0x19, 0x85, 0xA8, 0xE6, 0xD3, 0x6B, 0xA1, 0x0C, 0x91, 0x93, 0x6A, 0x5E, 0x0B, 0x79, 0xE3, 0xDD, 0x00, 0x4F, 0x3C, 0x89, 0x6E, 0x71, 0x69, 0xA9, 0xAC, 0x40, 0xE5, 0x99, 0x28, 0xC6, 0x31, 0x4E, 0x7A, 0xCD, 0x08, 0x9E, 0x7D, 0xEF, 0x17, 0xFC, 0x88, 0xD8, 0xA4, 0x6D, 0x44, 0x95, 0xD1, 0xB7, 0xD4, 0x9B, 0xBE, 0x2A, 0x34, 0x64, 0x2B, 0xCF, 0x2E, 0xEB, 0x38, 0xCE, 0x23, 0xE0, 0x3A, 0x3F, 0xF7, 0x7B, 0x9F, 0x10, 0x53, 0xBC, 0x52, 0x67, 0x16, 0xE7, 0x80, 0x76, 0x04, 0xC4, 0xB6, 0xC1, 0xC2, 0x7F, 0x9A, 0xDA, 0xD5, 0x39, 0x42, 0x14, 0x9D, 0xB1, 0x0F, 0x35, 0xD6, 0xCC, 0xB9, 0xDA, 0x38, 0x0C, 0xA2, 0x9C, 0x09, 0x1F, 0x06, 0xB1, 0xB6, 0xFD, 0x1A, 0x69, 0x23, 0x30, 0xC4, 0xDE, 0x01, 0xD1, 0xF4, 0x58, 0x29, 0x37, 0x1C, 0x7D, 0xD5, 0xBF, 0xFF, 0xBD, 0xC8, 0xC9, 0xCF, 0x65, 0xBE, 0x7B, 0x78, 0x97, 0x98, 0x67, 0x08, 0xB3, 0x26, 0x57, 0xF7, 0xFA, 0x40, 0xAD, 0x8E, 0x75, 0xA6, 0x7C, 0xDB, 0x91, 0x8B, 0x51, 0x99, 0xD4, 0x17, 0x7A, 0x90, 0x8D, 0xCE, 0x63, 0xCB, 0x4E, 0xA0, 0xAB, 0x18, 0x3A, 0x5B, 0x50, 0x7F, 0x21, 0x74, 0xC1, 0xBB, 0xB8, 0xB7, 0xBA, 0x0B, 0x35, 0x95, 0x31, 0x59, 0x9A, 0x4D, 0x04, 0x07, 0x1E, 0x5A, 0x76, 0x13, 0xF3, 0x71, 0x83, 0xF0, 0x86, 0x03, 0xA8, 0x39, 0x42, 0xAA, 0x28, 0xE6, 0xE4, 0xD8, 0x5D, 0xD3, 0xD0, 0x6E, 0x6F, 0x96, 0xFB, 0x5E, 0xBC, 0x56, 0xC2, 0x5F, 0x85, 0x9B, 0xE7, 0xAF, 0xD2, 0x3B, 0x84, 0x6A, 0xA7, 0x53, 0xC5, 0x44, 0x49, 0xA5, 0xF9, 0x36, 0x72, 0x3D, 0x2C, 0xD9, 0x1B, 0xA1, 0xF5, 0x4F, 0x93, 0x9D, 0x68, 0x47, 0x41, 0x16, 0xCA, 0x2A, 0x4C, 0xA3, 0x87, 0xD6, 0xE5, 0x19, 0x2E, 0x77, 0x15, 0x6D, 0x70, 0xC0, 0xDF, 0xB2, 0x00, 0x46, 0xED, 0xC6, 0x6C, 0x43, 0x60, 0x92, 0x2D, 0xA9, 0x22, 0x45, 0x8F, 0x34, 0x55, 0xAE, 0xA4, 0x0A, 0x66, 0x32, 0xE0, 0xDC, 0x02, 0xAC, 0xE8, 0x20, 0x8C, 0x89, 0x62, 0x4A, 0xFE, 0xEE, 0xC3, 0xE3, 0x3C, 0xF1, 0x79, 0x05, 0xE9, 0xF6, 0x27, 0x33, 0xCC, 0xF2, 0x9E, 0x11, 0x81, 0x7E, 0x80, 0x10, 0x8A, 0x82, 0x9F, 0x48, 0x0D, 0xD7, 0xB4, 0xFC, 0x2F, 0xB5, 0xC7, 0xDD, 0x88, 0x14, 0x6B, 0x2B, 0x54, 0xEA, 0x1D, 0x94, 0x5C, 0xB0, 0xEF, 0x12, 0x24, 0xCD, 0xEB, 0xE1, 0xE2, 0x64, 0x73, 0x3F, 0x0E, 0x52, 0x61, 0x25, 0x3E, 0xF8, 0x0F, 0x4B, 0xEC, 0xC0, 0x00, 0x30, 0xF6, 0x02, 0x49, 0x3D, 0x10, 0x6E, 0x20, 0xC9, 0xA6, 0x2F, 0xFE, 0x2C, 0x2B, 0x75, 0x2E, 0x45, 0x26, 0xAB, 0x48, 0xA9, 0x80, 0xFC, 0x04, 0xCC, 0xD3, 0xB5, 0xBA, 0xA3, 0x38, 0x31, 0x7D, 0x01, 0xD9, 0xA7, 0x7B, 0x96, 0xB6, 0x63, 0x69, 0x4E, 0xF7, 0xDE, 0xE0, 0x78, 0xCA, 0x50, 0xAA, 0x41, 0x91, 0x65, 0x88, 0xE4, 0x21, 0x85, 0xDA, 0x3A, 0x27, 0xBE, 0x1C, 0x3E, 0x42, 0x5E, 0x17, 0x52, 0x7F, 0x1F, 0x89, 0x24, 0x6F, 0x8F, 0x5C, 0x67, 0x74, 0x0E, 0x12, 0x87, 0x8D, 0xE9, 0x34, 0xED, 0x73, 0xC4, 0xF8, 0x61, 0x5B, 0x05, 0xDF, 0x59, 0x4C, 0x97, 0x79, 0x83, 0x18, 0xA4, 0x55, 0x95, 0xEB, 0xBD, 0x53, 0xF5, 0xF1, 0x57, 0x66, 0x46, 0x9F, 0xB2, 0x81, 0x09, 0x51, 0x86, 0x22, 0x16, 0xDD, 0x23, 0x93, 0x76, 0x29, 0xC2, 0xD7, 0x1D, 0xD4, 0xBF, 0x36, 0x3F, 0xEA, 0x4B, 0x11, 0x32, 0xB9, 0x62, 0x54, 0x60, 0xD6, 0x6D, 0x43, 0x9A, 0x0D, 0x92, 0x9C, 0xB0, 0xEF, 0x58, 0x6C, 0x9D, 0x77, 0x2D, 0x70, 0xFA, 0xF3, 0xB3, 0x0B, 0xE2, 0x40, 0x7E, 0xF4, 0x8A, 0xE5, 0x8C, 0x3C, 0x56, 0x71, 0xD1, 0x64, 0xE1, 0x82, 0x0A, 0xCB, 0x13, 0x15, 0x90, 0xEC, 0x03, 0x99, 0xAF, 0x14, 0x5D, 0x0F, 0x33, 0x4A, 0x94, 0xA5, 0xA8, 0x35, 0x1B, 0xE3, 0x6A, 0xC6, 0x28, 0xFF, 0x4D, 0xE7, 0x25, 0x84, 0xAC, 0x08, 0xAE, 0xC5, 0xA2, 0x2A, 0xB8, 0x37, 0x0C, 0x7A, 0xA0, 0xC3, 0xCE, 0xAD, 0x06, 0x1A, 0x9E, 0x8B, 0xFB, 0xD5, 0xF0, 0xC1, 0x1E, 0xD0, 0xB4, 0x9B, 0xB1, 0x44, 0xF2, 0x47, 0xC7, 0x68, 0xCF, 0x72, 0xBB, 0x4F, 0x5A, 0xF9, 0xDC, 0x6B, 0xDB, 0xD2, 0xE8, 0x7C, 0xC8, 0xEE, 0x98, 0xA1, 0xE6, 0xD8, 0x39, 0x07, 0x5F, 0xFD, 0x8E, 0x19, 0xB7, 0x3B, 0xBC, 0xCD, 0x7C, 0xE3, 0x81, 0x73, 0xB2, 0x11, 0xBF, 0x6F, 0x20, 0x98, 0xFE, 0x75, 0x96, 0xEF, 0x6C, 0xDA, 0x50, 0xE1, 0x09, 0x72, 0x54, 0x45, 0xBA, 0x34, 0x80, 0x5B, 0xED, 0x3E, 0x53, 0x2C, 0x87, 0xA4, 0x57, 0xF3, 0x33, 0x3F, 0x3C, 0xB7, 0x67, 0xB4, 0xA3, 0x25, 0x60, 0x4F, 0x07, 0x6B, 0x1B, 0x47, 0x15, 0x0F, 0xE4, 0x0A, 0xEA, 0xD1, 0x32, 0x78, 0x36, 0x49, 0x8D, 0x4B, 0xD2, 0xBC, 0xA5, 0xDC, 0x1D, 0x0D, 0x4D, 0xCD, 0x9A, 0x82, 0x5F, 0xFC, 0x94, 0x65, 0xBE, 0xE2, 0xF4, 0xC9, 0x1E, 0x44, 0xCB, 0x9E, 0x0C, 0x64, 0x71, 0x26, 0x63, 0xB3, 0x14, 0xE8, 0x40, 0x70, 0x8A, 0x0E, 0x19, 0x42, 0x6D, 0xAC, 0x88, 0x10, 0x5C, 0xDF, 0x41, 0xA9, 0xAD, 0xE5, 0xFB, 0x74, 0xCC, 0xD5, 0x06, 0x8E, 0x59, 0x86, 0xCE, 0x1F, 0x3D, 0x76, 0xE0, 0x8F, 0xB9, 0x77, 0x27, 0x7B, 0xA6, 0xD8, 0x29, 0xD3, 0xEC, 0xB8, 0x13, 0xF7, 0xFA, 0xC3, 0x51, 0x6A, 0xDE, 0x4A, 0x5A, 0xEB, 0xC2, 0x8B, 0x23, 0x48, 0x92, 0xCF, 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0xAE, 0x5A, 0xA1, 0xBF, 0x03, 0x8B, 0x80, 0x12, 0x6E, 0x0C, 0xEB, 0xF9, 0xC0, 0x44, 0x24, 0xEF, 0x10, 0xF8, 0xA8, 0x8C, 0xE8, 0x7B, 0xFF, 0x9E, 0x2C, 0xCD, 0x60, 0x36, 0x87, 0xB5, 0x94, 0xA6, 0x54, 0x73, 0x3A, 0x14, 0x4E, 0x01, 0x1D, 0xB6, 0xFD, 0x37, 0x48, 0x4D, 0x39, 0xCB, 0xE0, 0x32, }; static u8 random() { SEED = (u8)(((u32)SEED * NUM_A + NUM_B) % NUM_C); return SEED; } static u8 ror(u8 src, u8 rot) { u8 ret; u8 rt; rt = (u8)(rot % 8); ret = (u8)(src >> rt | src << (8 - rt)); return ret; } static u8 rol(u8 src, u8 rol) { u8 ret; u8 rl; rl = (u8)(rol % 8); ret = (u8)(src << rl | src >> (8 - rl)); return ret; } void WPADiCreateKey(s32 chan) { BOOL enable; WPADControlBlock* p_wpd = _wpdcb[chan]; u8 idx; u8 baseIdx; u8 tblRnd[10]; u8 ft[8]; u8 sb[8]; u8 key[6]; u8 i; SEED = (u8)((OSGetTick() >> 8) & 0xff); NUM_A = (u8)((OSGetTick() >> 16) & 0x3f); NUM_B = (u8)((OSGetTick() >> 24) & 0x4c); NUM_C = 0xff; idx = (u8)(random() % 7); baseIdx = (u8)(idx * 6); for (i = 0; i < 10; i++) { tblRnd[i] = tb[random()]; } enable = OSDisableInterrupts(); key[0] = (u8)((ror((u8)(base[baseIdx] ^ tb[tblRnd[5]]), tb[tblRnd[2]]) - tb[tblRnd[9]]) ^ tb[tblRnd[4]]); key[1] = (u8)((ror((u8)(base[baseIdx + 1] ^ tb[tblRnd[1]]), tb[tblRnd[0]]) - tb[tblRnd[5]]) ^ tb[tblRnd[7]]); key[2] = (u8)((ror((u8)(base[baseIdx + 2] ^ tb[tblRnd[6]]), tb[tblRnd[8]]) - tb[tblRnd[2]]) ^ tb[tblRnd[0]]); key[3] = (u8)((ror((u8)(base[baseIdx + 3] ^ tb[tblRnd[4]]), tb[tblRnd[7]]) - tb[tblRnd[3]]) ^ tb[tblRnd[2]]); key[4] = (u8)((ror((u8)(base[baseIdx + 4] ^ tb[tblRnd[1]]), tb[tblRnd[6]]) - tb[tblRnd[3]]) ^ tb[tblRnd[4]]); key[5] = (u8)((ror((u8)(base[baseIdx + 5] ^ tb[tblRnd[7]]), tb[tblRnd[8]]) - tb[tblRnd[5]]) ^ tb[tblRnd[9]]); ft[0] = (u8)(tb[(idx + 1) * 256 + key[4]] ^ tb[(idx + 2) * 256 + tblRnd[3]]); ft[1] = (u8)(tb[(idx + 1) * 256 + key[2]] ^ tb[(idx + 2) * 256 + tblRnd[5]]); ft[2] = (u8)(tb[(idx + 1) * 256 + key[5]] ^ tb[(idx + 2) * 256 + tblRnd[7]]); ft[3] = (u8)(tb[(idx + 1) * 256 + key[0]] ^ tb[(idx + 2) * 256 + tblRnd[2]]); ft[4] = (u8)(tb[(idx + 1) * 256 + key[1]] ^ tb[(idx + 2) * 256 + tblRnd[4]]); ft[5] = (u8)(tb[(idx + 1) * 256 + key[3]] ^ tb[(idx + 2) * 256 + tblRnd[9]]); ft[6] = (u8)(tb[(idx + 1) * 256 + tblRnd[0]] ^ tb[(idx + 2) * 256 + tblRnd[6]]); ft[7] = (u8)(tb[(idx + 1) * 256 + tblRnd[1]] ^ tb[(idx + 2) * 256 + tblRnd[8]]); sb[0] = (u8)(tb[(idx + 1) * 256 + key[0]] ^ tb[(idx + 2) * 256 + tblRnd[1]]); sb[1] = (u8)(tb[(idx + 1) * 256 + key[5]] ^ tb[(idx + 2) * 256 + tblRnd[4]]); sb[2] = (u8)(tb[(idx + 1) * 256 + key[3]] ^ tb[(idx + 2) * 256 + tblRnd[0]]); sb[3] = (u8)(tb[(idx + 1) * 256 + key[2]] ^ tb[(idx + 2) * 256 + tblRnd[9]]); sb[4] = (u8)(tb[(idx + 1) * 256 + key[4]] ^ tb[(idx + 2) * 256 + tblRnd[7]]); sb[5] = (u8)(tb[(idx + 1) * 256 + key[1]] ^ tb[(idx + 2) * 256 + tblRnd[8]]); sb[6] = (u8)(tb[(idx + 1) * 256 + tblRnd[3]] ^ tb[(idx + 2) * 256 + tblRnd[5]]); sb[7] = (u8)(tb[(idx + 1) * 256 + tblRnd[2]] ^ tb[(idx + 2) * 256 + tblRnd[6]]); for (i = 0; i < 10; i++) { p_wpd->key[i] = tblRnd[9 - i]; } for (i = 0; i < 6; i++) { p_wpd->key[i + 10] = key[5 - i]; } memcpy(p_wpd->ft, ft, 8); memcpy(p_wpd->sb, sb, 8); OSRestoreInterrupts(enable); } void WPADiDecode(s32 chan, void* p_buf, u16 len, u16 offset) { WPADControlBlock* p_wpd = _wpdcb[chan]; u8 idx; u8* ptr; u16 i; ptr = (u8*)p_buf; for (i = 0; i < len; i++) { idx = (u8)((offset + i) % 8); ptr[i] = (u8)((ptr[i] ^ p_wpd->sb[idx]) + p_wpd->ft[idx]); } }