source: rtems/c/src/lib/libbsp/arm/nds/tools/ndstool/source/encryption.cpp @ 311dfa6

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ndstool.h"
#include "crc.h"

const unsigned char encr_data[] =
{
        0x99,0xD5,0x20,0x5F,0x57,0x44,0xF5,0xB9,0x6E,0x19,0xA4,0xD9,0x9E,0x6A,0x5A,0x94,
        0xD8,0xAE,0xF1,0xEB,0x41,0x75,0xE2,0x3A,0x93,0x82,0xD0,0x32,0x33,0xEE,0x31,0xD5,
        0xCC,0x57,0x61,0x9A,0x37,0x06,0xA2,0x1B,0x79,0x39,0x72,0xF5,0x55,0xAE,0xF6,0xBE,
        0x5F,0x1B,0x69,0xFB,0xE5,0x9D,0xF1,0xE9,0xCE,0x2C,0xD9,0xA1,0x5E,0x32,0x05,0xE6,
        0xFE,0xD3,0xFE,0xCF,0xD4,0x62,0x04,0x0D,0x8B,0xF5,0xEC,0xB7,0x2B,0x60,0x79,0xBB,
        0x12,0x95,0x31,0x0D,0x6E,0x3F,0xDA,0x2B,0x88,0x84,0xF0,0xF1,0x3D,0x12,0x7E,0x25,
        0x45,0x22,0xF1,0xBB,0x24,0x06,0x1A,0x06,0x11,0xAD,0xDF,0x28,0x8B,0x64,0x81,0x34,
        0x2B,0xEB,0x33,0x29,0x99,0xAA,0xF2,0xBD,0x9C,0x14,0x95,0x9D,0x9F,0xF7,0xF5,0x8C,
        0x72,0x97,0xA1,0x29,0x9D,0xD1,0x5F,0xCF,0x66,0x4D,0x07,0x1A,0xDE,0xD3,0x4A,0x4B,
        0x85,0xC9,0xA7,0xA3,0x17,0x95,0x05,0x3A,0x3D,0x49,0x0A,0xBF,0x0A,0x89,0x8B,0xA2,
        0x4A,0x82,0x49,0xDD,0x27,0x90,0xF1,0x0B,0xE9,0xEB,0x1C,0x6A,0x83,0x76,0x45,0x05,
        0xBA,0x81,0x70,0x61,0x17,0x3F,0x4B,0xDE,0xAE,0xCF,0xAB,0x39,0x57,0xF2,0x3A,0x56,
        0x48,0x11,0xAD,0x8A,0x40,0xE1,0x45,0x3F,0xFA,0x9B,0x02,0x54,0xCA,0xA6,0x93,0xFB,
        0xEF,0x4D,0xFE,0x6F,0xA3,0xD8,0x87,0x9C,0x08,0xBA,0xD5,0x48,0x6A,0x8D,0x2D,0xFD,
        0x6E,0x15,0xF8,0x74,0xBD,0xBE,0x52,0x8B,0x18,0x22,0x8A,0x9E,0xFB,0x74,0x37,0x07,
        0x1B,0x36,0x6C,0x4A,0x19,0xBA,0x42,0x62,0xB9,0x79,0x91,0x10,0x7B,0x67,0x65,0x96,
        0xFE,0x02,0x23,0xE8,0xEE,0x99,0x8C,0x77,0x3E,0x5C,0x86,0x64,0x4D,0x6D,0x78,0x86,
        0xA5,0x4F,0x65,0xE2,0x1E,0xB2,0xDF,0x5A,0x0A,0xD0,0x7E,0x08,0x14,0xB0,0x71,0xAC,
        0xBD,0xDB,0x83,0x1C,0xB9,0xD7,0xA1,0x62,0xCD,0xC6,0x63,0x7C,0x52,0x69,0xC3,0xE6,
        0xBF,0x75,0xCE,0x12,0x44,0x5D,0x21,0x04,0xFA,0xFB,0xD3,0x3C,0x38,0x11,0x63,0xD4,
        0x95,0x85,0x41,0x49,0x46,0x09,0xF2,0x08,0x43,0x11,0xDC,0x1F,0x76,0xC0,0x15,0x6D,
        0x1F,0x3C,0x63,0x70,0xEA,0x87,0x80,0x6C,0xC3,0xBD,0x63,0x8B,0xC2,0x37,0x21,0x37,
        0xDC,0xEE,0x09,0x23,0x2E,0x37,0x6A,0x4D,0x73,0x90,0xF7,0x50,0x30,0xAC,0x1C,0x92,
        0x04,0x10,0x23,0x91,0x4F,0xD2,0x07,0xAA,0x68,0x3E,0x4F,0x9A,0xC9,0x64,0x60,0x6A,
        0xC8,0x14,0x21,0xF3,0xD6,0x22,0x41,0x12,0x44,0x24,0xCF,0xE6,0x8A,0x56,0xDD,0x0D,
        0x53,0x4D,0xE1,0x85,0x1E,0x8C,0x52,0x5A,0x9C,0x19,0x84,0xC2,0x03,0x57,0xF1,0x6F,
        0xE3,0x00,0xBE,0x58,0xF6,0x4C,0xED,0xD5,0x21,0x64,0x9C,0x1F,0xBE,0x55,0x03,0x3C,
        0x4A,0xDC,0xFF,0xAA,0xC9,0xDA,0xE0,0x5D,0x5E,0xBF,0xE6,0xDE,0xF5,0xD8,0xB1,0xF8,
        0xFF,0x36,0xB3,0xB9,0x62,0x67,0x95,0xDB,0x31,0x5F,0x37,0xED,0x4C,0x70,0x67,0x99,
        0x90,0xB5,0x18,0x31,0x6C,0x3D,0x99,0x99,0xE4,0x42,0xDA,0xD3,0x25,0x42,0x13,0xA0,
        0xAE,0xD7,0x70,0x6C,0xB1,0x55,0xCF,0xC7,0xD7,0x46,0xD5,0x43,0x61,0x17,0x3D,0x44,
        0x28,0xE9,0x33,0x85,0xD5,0xD0,0xA2,0x93,0xAA,0x25,0x12,0x1F,0xFB,0xC5,0x0B,0x46,
        0xF5,0x97,0x76,0x56,0x45,0xA6,0xBE,0x87,0xB1,0x94,0x6B,0xE8,0xB1,0xFE,0x33,0x99,
        0xAE,0x1F,0x3E,0x6C,0x39,0x71,0x1D,0x09,0x00,0x90,0x37,0xE4,0x10,0x3E,0x75,0x74,
        0xFF,0x8C,0x83,0x3B,0xB0,0xF1,0xB0,0xF9,0x01,0x05,0x47,0x42,0x95,0xF1,0xD6,0xAC,
        0x7E,0x38,0xE6,0x9E,0x95,0x74,0x26,0x3F,0xB4,0x68,0x50,0x18,0xD0,0x43,0x30,0xB4,
        0x4C,0x4B,0xE3,0x68,0xBF,0xE5,0x4D,0xB6,0x95,0x8B,0x0A,0xA0,0x74,0x25,0x32,0x77,
        0xCF,0xA1,0xF7,0x2C,0xD8,0x71,0x13,0x5A,0xAB,0xEA,0xC9,0x51,0xE8,0x0D,0xEE,0xEF,
        0xE9,0x93,0x7E,0x19,0xA7,0x1E,0x43,0x38,0x81,0x16,0x2C,0xA1,0x48,0xE3,0x73,0xCC,
        0x29,0x21,0x6C,0xD3,0x5D,0xCE,0xA0,0xD9,0x61,0x71,0x43,0xA0,0x15,0x13,0xB5,0x64,
        0x92,0xCF,0x2A,0x19,0xDC,0xAD,0xB7,0xA5,0x9F,0x86,0x65,0xF8,0x1A,0x9F,0xE7,0xFB,
        0xF7,0xFD,0xB8,0x13,0x6C,0x27,0xDB,0x6F,0xDF,0x35,0x1C,0xF7,0x8D,0x2C,0x5B,0x9B,
        0x12,0xAB,0x38,0x64,0x06,0xCC,0xDE,0x31,0xE8,0x4E,0x75,0x11,0x64,0xE3,0xFA,0xEA,
        0xEB,0x34,0x54,0xC2,0xAD,0x3F,0x34,0xEB,0x93,0x2C,0x7D,0x26,0x36,0x9D,0x56,0xF3,
        0x5A,0xE1,0xF6,0xB3,0x98,0x63,0x4A,0x9E,0x32,0x83,0xE4,0x9A,0x84,0x60,0x7D,0x90,
        0x2E,0x13,0x0E,0xEE,0x93,0x4B,0x36,0xA2,0x85,0xEC,0x16,0x38,0xE8,0x88,0x06,0x02,
        0xBF,0xF0,0xA0,0x3A,0xED,0xD7,0x6A,0x9A,0x73,0xE1,0x57,0xCF,0xF8,0x44,0xB8,0xDC,
        0x2E,0x23,0x59,0xD1,0xDF,0x95,0x52,0x71,0x99,0x61,0xA0,0x4B,0xD5,0x7F,0x6E,0x78,
        0xBA,0xA9,0xC5,0x30,0xD3,0x40,0x86,0x32,0x9D,0x32,0x0C,0x9C,0x37,0xB7,0x02,0x2F,
        0xBA,0x54,0x98,0xA9,0xC4,0x13,0x04,0xC9,0x8D,0xBE,0xC8,0xE7,0x5D,0x97,0x50,0x2E,
        0x93,0xD6,0x22,0x59,0x0C,0x27,0xBC,0x22,0x92,0xE0,0xA7,0x20,0x0F,0x93,0x6F,0x7F,
        0x4C,0x9F,0xD3,0xB5,0xA6,0x2A,0x0B,0x74,0x67,0x49,0x7D,0x10,0x26,0xCB,0xD1,0xC5,
        0x86,0x71,0xE7,0x8C,0xA0,0x9C,0xE9,0x5B,0xB2,0x1A,0xF6,0x01,0xEE,0x8C,0x9E,0x5E,
        0x83,0xF2,0x1A,0xDB,0xE6,0xE5,0xEA,0x84,0x59,0x76,0xD2,0x7C,0xF6,0x8D,0xA5,0x49,
        0x36,0x48,0xC2,0x16,0x52,0xBB,0x83,0xA3,0x74,0xB9,0x07,0x0C,0x3B,0xFF,0x61,0x28,
        0xE1,0x61,0xE9,0xE4,0xEF,0x6E,0x15,0xAA,0x4E,0xBA,0xE8,0x5D,0x05,0x96,0xBB,0x32,
        0x56,0xB0,0xFB,0x72,0x52,0x0F,0x0E,0xC8,0x42,0x25,0x65,0x76,0x89,0xAF,0xF2,0xDE,
        0x10,0x27,0xF0,0x01,0x4B,0x74,0xA7,0x97,0x07,0xD5,0x26,0x54,0x54,0x09,0x1F,0x82,
        0x0A,0x86,0x7D,0x30,0x39,0x0E,0xB3,0x26,0x9B,0x0B,0x57,0xBB,0x36,0x06,0x31,0xAF,
        0xFD,0x79,0xFC,0xD9,0x30,0x10,0x2B,0x0C,0xB3,0xE1,0x9B,0xD7,0x7B,0xDC,0x5F,0xEF,
        0xD2,0xF8,0x13,0x45,0x4D,0x47,0x75,0xBD,0x46,0x96,0x3C,0x7E,0x75,0xF3,0x3E,0xB5,
        0x67,0xC5,0x9A,0x3B,0xB0,0x5B,0x29,0x6B,0xDE,0x80,0x5B,0xC8,0x15,0x05,0xB1,0x31,
        0xB6,0xCE,0x49,0xDD,0xAD,0x84,0xB5,0xAE,0x60,0xDC,0x67,0x31,0x34,0x30,0xFE,0x4E,
        0xBD,0x80,0x2F,0xA6,0xBF,0x63,0x39,0x21,0x86,0xD9,0x35,0x7F,0x16,0x68,0x22,0x05,
        0x54,0xE9,0x90,0x26,0x8C,0x07,0x6C,0x51,0xA4,0x31,0x55,0xD7,0x09,0x07,0xA8,0x3E,
        0x2E,0x53,0x66,0xC1,0xF8,0xF2,0x7B,0xC4,0xF2,0x58,0xCF,0xF1,0x87,0xC5,0xA2,0xE7,
        0x27,0x8F,0x30,0x87,0x58,0xA0,0x64,0x62,0x23,0x18,0xB9,0x88,0x7C,0xFA,0xCE,0xC4,
        0x98,0xAE,0xAD,0x17,0xCC,0x4A,0x5B,0xF3,0xE9,0x48,0xD5,0x56,0xD3,0x0D,0xF2,0xC8,
        0x92,0x73,0x8C,0xDB,0xD7,0x2F,0x56,0xAC,0x81,0xF9,0x92,0x69,0x4D,0xC6,0x32,0xF6,
        0xE6,0xC0,0x8D,0x21,0xE2,0x76,0x80,0x61,0x11,0xBC,0xDC,0x6C,0x93,0xAF,0x19,0x69,
        0x9B,0xD0,0xBF,0xB9,0x31,0x9F,0x02,0x67,0xA3,0x51,0xEE,0x83,0x06,0x22,0x7B,0x0C,
        0xAB,0x49,0x42,0x40,0xB8,0xD5,0x01,0x7D,0xCE,0x5E,0xF7,0x55,0x53,0x39,0xC5,0x99,
        0x46,0xD8,0x87,0x9F,0xBA,0xF7,0x64,0xB4,0xE3,0x9A,0xFA,0xA1,0x6D,0x90,0x68,0x10,
        0x30,0xCA,0x8A,0x54,0xA7,0x9F,0x60,0xC3,0x19,0xF5,0x6B,0x0D,0x7A,0x51,0x98,0xE6,
        0x98,0x43,0x51,0xB4,0xD6,0x35,0xE9,0x4F,0xC3,0xDF,0x0F,0x7B,0xD6,0x2F,0x5C,0xBD,
        0x3A,0x15,0x61,0x19,0xF1,0x4B,0xCB,0xAA,0xDC,0x6D,0x64,0xC9,0xD3,0xC6,0x1E,0x56,
        0xEF,0x38,0x4C,0x50,0x71,0x86,0x75,0xCC,0x0D,0x0D,0x4E,0xE9,0x28,0xF6,0x06,0x5D,
        0x70,0x1B,0xAA,0xD3,0x45,0xCF,0xA8,0x39,0xAC,0x95,0xA6,0x2E,0xB4,0xE4,0x22,0xD4,
        0x74,0xA8,0x37,0x5F,0x48,0x7A,0x04,0xCC,0xA5,0x4C,0x40,0xD8,0x28,0xB4,0x28,0x08,
        0x0D,0x1C,0x72,0x52,0x41,0xF0,0x7D,0x47,0x19,0x3A,0x53,0x4E,0x58,0x84,0x62,0x6B,
        0x93,0xB5,0x8A,0x81,0x21,0x4E,0x0D,0xDC,0xB4,0x3F,0xA2,0xC6,0xFC,0xC9,0x2B,0x40,
        0xDA,0x38,0x04,0xE9,0x5E,0x5A,0x86,0x6B,0x0C,0x22,0x25,0x85,0x68,0x11,0x8D,0x7C,
        0x92,0x1D,0x95,0x55,0x4D,0xAB,0x8E,0xBB,0xDA,0xA6,0xE6,0xB7,0x51,0xB6,0x32,0x5A,
        0x05,0x41,0xDD,0x05,0x2A,0x0A,0x56,0x50,0x91,0x17,0x47,0xCC,0xC9,0xE6,0x7E,0xB5,
        0x61,0x4A,0xDB,0x73,0x67,0x51,0xC8,0x33,0xF5,0xDA,0x6E,0x74,0x2E,0x54,0xC3,0x37,
        0x0D,0x6D,0xAF,0x08,0xE8,0x15,0x8A,0x5F,0xE2,0x59,0x21,0xCD,0xA8,0xDE,0x0C,0x06,
        0x5A,0x77,0x6B,0x5F,0xDB,0x18,0x65,0x3E,0xC8,0x50,0xDE,0x78,0xE0,0xB8,0x82,0xB3,
        0x5D,0x4E,0x72,0x32,0x07,0x4F,0xC1,0x34,0x23,0xBA,0x96,0xB7,0x67,0x4E,0xA4,0x28,
        0x1E,0x34,0x62,0xEB,0x2D,0x6A,0x70,0xE9,0x2F,0x42,0xC4,0x70,0x4E,0x5A,0x31,0x9C,
        0xF9,0x5B,0x47,0x28,0xAA,0xDA,0x71,0x6F,0x38,0x1F,0xB3,0x78,0xC4,0x92,0x6B,0x1C,
        0x9E,0xF6,0x35,0x9A,0xB7,0x4D,0x0E,0xBF,0xCC,0x18,0x29,0x41,0x03,0x48,0x35,0x5D,
        0x55,0xD0,0x2B,0xC6,0x29,0xAF,0x5C,0x60,0x74,0x69,0x8E,0x5E,0x9B,0x7C,0xD4,0xBD,
        0x7B,0x44,0x64,0x7D,0x3F,0x92,0x5D,0x69,0xB6,0x1F,0x00,0x4B,0xD4,0x83,0x35,0xCF,
        0x7E,0x64,0x4E,0x17,0xAE,0x8D,0xD5,0x2E,0x9A,0x28,0x12,0x4E,0x2E,0x2B,0x49,0x08,
        0x5C,0xAE,0xC6,0x46,0x85,0xAE,0x41,0x61,0x1E,0x6F,0x82,0xD2,0x51,0x37,0x16,0x1F,
        0x0B,0xF6,0x59,0xA4,0x9A,0xCA,0x5A,0xAF,0x0D,0xD4,0x33,0x8B,0x20,0x63,0xF1,0x84,
        0x80,0x5C,0xCB,0xCF,0x08,0xB4,0xB9,0xD3,0x16,0x05,0xBD,0x62,0x83,0x31,0x9B,0x56,
        0x51,0x98,0x9F,0xBA,0xB2,0x5B,0xAA,0xB2,0x22,0x6B,0x2C,0xB5,0xD4,0x48,0xFA,0x63,
        0x2B,0x5F,0x58,0xFA,0x61,0xFA,0x64,0x09,0xBB,0x38,0xE0,0xB8,0x9D,0x92,0x60,0xA8,
        0x0D,0x67,0x6F,0x0E,0x37,0xF5,0x0D,0x01,0x9F,0xC2,0x77,0xD4,0xFE,0xEC,0xF1,0x73,
        0x30,0x39,0xE0,0x7D,0xF5,0x61,0x98,0xE4,0x2C,0x28,0x55,0x04,0x56,0x55,0xDB,0x2F,
        0x6B,0xEC,0xE5,0x58,0x06,0xB6,0x64,0x80,0x6A,0x2A,0x1A,0x4E,0x5B,0x0F,0xD8,0xC4,
        0x0A,0x2E,0x52,0x19,0xD9,0x62,0xF5,0x30,0x48,0xBE,0x8C,0x7B,0x4F,0x38,0x9B,0xA2,
        0xC3,0xAF,0xC9,0xD3,0xC7,0xC1,0x62,0x41,0x86,0xB9,0x61,0x21,0x57,0x6F,0x99,0x4F,
        0xC1,0xBA,0xCE,0x7B,0xB5,0x3B,0x4D,0x5E,0x8A,0x8B,0x44,0x57,0x5F,0x13,0x5F,0x70,
        0x6D,0x5B,0x29,0x47,0xDC,0x38,0xE2,0xEC,0x04,0x55,0x65,0x12,0x2A,0xE8,0x17,0x43,
        0xE1,0x8E,0xDD,0x2A,0xB3,0xE2,0x94,0xF7,0x09,0x6E,0x5C,0xE6,0xEB,0x8A,0xF8,0x6D,
        0x89,0x49,0x54,0x48,0xF5,0x2F,0xAD,0xBF,0xEA,0x94,0x4B,0xCA,0xFC,0x39,0x87,0x82,
        0x5F,0x8A,0x01,0xF2,0x75,0xF2,0xE6,0x71,0xD6,0xD8,0x42,0xDE,0xF1,0x2D,0x1D,0x28,
        0xA6,0x88,0x7E,0xA3,0xA0,0x47,0x1D,0x30,0xD9,0xA3,0x71,0xDF,0x49,0x1C,0xCB,0x01,
        0xF8,0x36,0xB1,0xF2,0xF0,0x22,0x58,0x5D,0x45,0x6B,0xBD,0xA0,0xBB,0xB2,0x88,0x42,
        0xC7,0x8C,0x28,0xCE,0x93,0xE8,0x90,0x63,0x08,0x90,0x7C,0x89,0x3C,0xF5,0x7D,0xB7,
        0x04,0x2D,0x4F,0x55,0x51,0x16,0xFD,0x7E,0x79,0xE8,0xBE,0xC1,0xF2,0x12,0xD4,0xF8,
        0xB4,0x84,0x05,0x23,0xA0,0xCC,0xD2,0x2B,0xFD,0xE1,0xAB,0xAD,0x0D,0xD1,0x55,0x6C,
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        0xB1,0x30,0x43,0x46,0x51,0x8A,0x7D,0x9B,0x92,0x3E,0x83,0x79,0x5B,0x55,0x5D,0xB2,
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        0x1A,0x2B,0xF9,0x18,0xFF,0xAE,0x1A,0xF5,0x53,0x0B,0xB5,0x33,0x51,0xA7,0xFD,0xE8,
        0xA8,0xE1,0xA2,0x64,0xB6,0x22,0x17,0x43,0x80,0xCC,0x0A,0xD8,0xAE,0x3B,0xBA,0x40,
        0xD7,0xD9,0x92,0x4A,0x89,0xDF,0x04,0x10,0xEE,0x9B,0x18,0x2B,0x6A,0x77,0x69,0x8A,
        0x68,0xF4,0xF9,0xB9,0xA2,0x21,0x15,0x6E,0xE6,0x1E,0x3B,0x03,0x62,0x30,0x9B,0x60,
        0x41,0x7E,0x25,0x9B,0x9E,0x8F,0xC5,0x52,0x10,0x08,0xF8,0xC2,0x69,0xA1,0x21,0x11,
        0x88,0x37,0x5E,0x79,0x35,0x66,0xFF,0x10,0x42,0x18,0x6E,0xED,0x97,0xB6,0x6B,0x1C,
        0x4E,0x36,0xE5,0x6D,0x7D,0xB4,0xE4,0xBF,0x20,0xB9,0xE0,0x05,0x3A,0x69,0xD5,0xB8,
        0xE3,0xD5,0xDC,0xE0,0xB9,0xAC,0x53,0x3E,0x07,0xA4,0x57,0xAD,0x77,0xFF,0x48,0x18,
        0x76,0x2A,0xAC,0x49,0x2A,0x8E,0x47,0x75,0x6D,0x9F,0x67,0x63,0x30,0x35,0x8C,0x39,
        0x05,0x39,0xD5,0x6F,0x64,0x3A,0x5B,0xAD,0xCA,0x0B,0xBB,0x82,0x52,0x99,0x45,0xB1,
        0x93,0x36,0x36,0x99,0xAF,0x13,0x20,0x44,0x36,0xD8,0x02,0x44,0x09,0x39,0x92,0x85,
        0xFF,0x4A,0x4A,0x97,0x87,0xA6,0x63,0xD7,0xC7,0xB5,0xB5,0x24,0xED,0x0F,0xB4,0x6F,
        0x0C,0x58,0x52,0x14,0xD9,0xA6,0x7B,0xD3,0x79,0xBC,0x38,0x58,0xA1,0xBD,0x3B,0x84,
        0x06,0xD8,0x1A,0x06,0xFD,0x6B,0xA8,0xEA,0x4B,0x69,0x28,0x04,0x37,0xAD,0x82,0x99,
        0xFB,0x0E,0x1B,0x85,0xBD,0xA8,0x5D,0x73,0xCD,0xDC,0x58,0x75,0x0A,0xBE,0x63,0x6C,
        0x48,0xE7,0x4C,0xE4,0x30,0x2B,0x04,0x60,0xB9,0x15,0xD8,0xDA,0x86,0x81,0x75,0x8F,
        0x96,0xD4,0x8D,0x1C,0x5D,0x70,0x85,0x7C,0x1C,0x67,0x7B,0xD5,0x08,0x67,0xA6,0xCE,
        0x4B,0x0A,0x66,0x70,0xB7,0xE5,0x63,0xD4,0x5B,0x8A,0x82,0xEA,0x10,0x67,0xCA,0xE2,
        0xF4,0xEF,0x17,0x85,0x2F,0x2A,0x5F,0x8A,0x97,0x82,0xF8,0x6A,0xD6,0x34,0x10,0xEA,
        0xEB,0xC9,0x5C,0x3C,0xE1,0x49,0xF8,0x46,0xEB,0xDE,0xBD,0xF6,0xA9,0x92,0xF1,0xAA,
        0xA6,0xA0,0x18,0xB0,0x3A,0xD3,0x0F,0x1F,0xF3,0x6F,0xFF,0x31,0x45,0x43,0x44,0xD3,
        0x50,0x9A,0xF7,0x88,0x09,0x96,0xC1,0xCE,0x76,0xCC,0xF2,0x2C,0x2C,0xBA,0xAD,0x82,
        0x77,0x8F,0x18,0x84,0xC0,0xD2,0x07,0x9C,0x36,0x90,0x83,0x4E,0x0B,0xA5,0x4F,0x43,
        0x3E,0x04,0xAB,0x78,0x4F,0xD6,0xFB,0x09,0x01,0x24,0x90,0xDA,0x6F,0x3C,0x3A,0x61,
        0x0D,0x7F,0x69,0x4A,0xEB,0x2B,0x30,0x02,0xB4,0xDB,0xE0,0x84,0xA9,0xEC,0xD7,0x35,
        0xBF,0x37,0x7D,0x85,0x58,0xCE,0xA9,0x4E,0xE4,0x80,0xC7,0xA8,0xD3,0x30,0x67,0x48,
        0xEB,0x29,0xAF,0x2F,0x74,0x6A,0xB4,0xA7,0x3F,0x0F,0x3F,0x92,0xAF,0xF3,0xCA,0xAC,
        0xAF,0x4B,0xD9,0x94,0xC0,0x43,0xCA,0x81,0x0D,0x2F,0x48,0xA1,0xB0,0x27,0xD5,0xD2,
        0xEF,0x4B,0x05,0x85,0xA3,0xDE,0x4D,0x93,0x30,0x3C,0xF0,0xBB,0x4A,0x8F,0x30,0x27,
        0x4C,0xEB,0xE3,0x3E,0x64,0xED,0x9A,0x2F,0x3B,0xF1,0x82,0xF0,0xBA,0xF4,0xCF,0x7F,
        0x40,0xCB,0xB0,0xE1,0x7F,0xBC,0xAA,0x57,0xD3,0xC9,0x74,0xF2,0xFA,0x43,0x0D,0x22,
        0xD0,0xF4,0x77,0x4E,0x93,0xD7,0x85,0x70,0x1F,0x99,0xBF,0xB6,0xDE,0x35,0xF1,0x30,
        0xA7,0x5E,0x71,0xF0,0x6B,0x01,0x2D,0x7B,0x64,0xF0,0x33,0x53,0x0A,0x39,0x88,0xF3,
        0x6B,0x3A,0xA6,0x6B,0x35,0xD2,0x2F,0x43,0xCD,0x02,0xFD,0xB5,0xE9,0xBC,0x5B,0xAA,
        0xD8,0xA4,0x19,0x7E,0x0E,0x5D,0x94,0x81,0x9E,0x6F,0x77,0xAD,0xD6,0x0E,0x74,0x93,
        0x96,0xE7,0xC4,0x18,0x5F,0xAD,0xF5,0x19,
};

u32 card_hash[0x412];
int cardheader_devicetype = 0;
u32 global3_x00, global3_x04;   // RTC value
u32 global3_rand1;
u32 global3_rand3;

u32 lookup(u32 *magic, u32 v)
{
        u32 a = (v >> 24) & 0xFF;
        u32 b = (v >> 16) & 0xFF;
        u32 c = (v >> 8) & 0xFF;
        u32 d = (v >> 0) & 0xFF;

        a = magic[a+18+0];
        b = magic[b+18+256];
        c = magic[c+18+512];
        d = magic[d+18+768];

        return d + (c ^ (b + a));
}

void encrypt(u32 *magic, u32 *arg1, u32 *arg2)
{
        u32 a,b,c;
        a = *arg1;
        b = *arg2;
        for (int i=0; i<16; i++)
        {
                c = magic[i] ^ a;
                a = b ^ lookup(magic, c);
                b = c;
        }
        *arg2 = a ^ magic[16];
        *arg1 = b ^ magic[17];
}

void decrypt(u32 *magic, u32 *arg1, u32 *arg2)
{
        u32 a,b,c;
        a = *arg1;
        b = *arg2;
        for (int i=17; i>1; i--)
        {
                c = magic[i] ^ a;
                a = b ^ lookup(magic, c);
                b = c;
        }
        *arg1 = b ^ magic[0];
        *arg2 = a ^ magic[1];
}

void encrypt(u32 *magic, u64 &cmd)
{
        encrypt(magic, (u32 *)&cmd + 1, (u32 *)&cmd + 0);
}

void decrypt(u32 *magic, u64 &cmd)
{
        decrypt(magic, (u32 *)&cmd + 1, (u32 *)&cmd + 0);
}

void update_hashtable(u32* magic, u8 arg1[8])
{
        for (int j=0;j<18;j++)
        {
                u32 r3=0;
                for (int i=0;i<4;i++)
                {
                        r3 <<= 8;
                        r3 |= arg1[(j*4 + i) & 7];
                }
                magic[j] ^= r3;
        }

        u32 tmp1 = 0;
        u32 tmp2 = 0;
        for (int i=0; i<18; i+=2)
        {
                encrypt(magic,&tmp1,&tmp2);
                magic[i+0] = tmp1;
                magic[i+1] = tmp2;
        }
        for (int i=0; i<0x400; i+=2)
        {
                encrypt(magic,&tmp1,&tmp2);
                magic[i+18+0] = tmp1;
                magic[i+18+1] = tmp2;
        }
}

u32 arg2[3];

void init2(u32 *magic, u32 a[3])
{
        encrypt(magic, a+2, a+1);
        encrypt(magic, a+1, a+0);
        update_hashtable(magic, (u8*)a);
}

void init1(u32 cardheader_gamecode)
{
        memcpy(card_hash, &encr_data, 4*(1024 + 18));
        arg2[0] = *(u32 *)&cardheader_gamecode;
        arg2[1] = (*(u32 *)&cardheader_gamecode) >> 1;
        arg2[2] = (*(u32 *)&cardheader_gamecode) << 1;
        init2(card_hash, arg2);
        init2(card_hash, arg2);
}

void init0(u32 cardheader_gamecode)
{
        init1(cardheader_gamecode);
        encrypt(card_hash, (u32*)&global3_x04, (u32*)&global3_x00);
        global3_rand1 = global3_x00 ^ global3_x04;              // more RTC
        global3_rand3 = global3_x04 ^ 0x0380FEB2;
        encrypt(card_hash, (u32*)&global3_rand3, (u32*)&global3_rand1);
}

// ARM9 decryption check values
#define MAGIC30         0x72636E65
#define MAGIC34         0x6A624F79

/*
 * decrypt_arm9
 */
void decrypt_arm9(u32 cardheader_gamecode, unsigned char *data)
{
        u32 *p = (u32*)data;

        init1(cardheader_gamecode);
        decrypt(card_hash, p+1, p);
        arg2[1] <<= 1;
        arg2[2] >>= 1;  
        init2(card_hash, arg2);
        decrypt(card_hash, p+1, p);

        if (p[0] != MAGIC30 || p[1] != MAGIC34)
        {
                fprintf(stderr, "Decryption failed!\n");
                exit(1);
        }

        *p++ = 0xE7FFDEFF;
        *p++ = 0xE7FFDEFF;
        u32 size = 0x800 - 8;
        while (size > 0)
        {
                decrypt(card_hash, p+1, p);
                p += 2;
                size -= 8;
        }
}

/*
 * encrypt_arm9
 */
void encrypt_arm9(u32 cardheader_gamecode, unsigned char *data)
{
        u32 *p = (u32*)data;
        if (p[0] != 0xE7FFDEFF || p[1] != 0xE7FFDEFF)
        {
                fprintf(stderr, "Encryption failed!\n");
                exit(1);
        }
        p += 2;

        init1(cardheader_gamecode);

        arg2[1] <<= 1;
        arg2[2] >>= 1;
        
        init2(card_hash, arg2);

        u32 size = 0x800 - 8;
        while (size > 0)
        {
                encrypt(card_hash, p+1, p);
                p += 2;
                size -= 8;
        }

        // place header

        p = (u32*)data;
        p[0] = MAGIC30;
        p[1] = MAGIC34;
        encrypt(card_hash, p+1, p);
        init1(cardheader_gamecode);
        encrypt(card_hash, p+1, p);
}

/*
 * EnDecryptSecureArea
 */
void EnDecryptSecureArea(char *ndsfilename, char endecrypt_option)
{
        fNDS = fopen(ndsfilename, "r+b");
        if (!fNDS) { fprintf(stderr, "Cannot open file '%s'.\n", ndsfilename); exit(1); }
        fread(&header, 512, 1, fNDS);
        int romType = DetectRomType();
        unsigned char data[0x4000];
        fseek(fNDS, 0x4000, SEEK_SET);
        fread(data, 1, 0x4000, fNDS);

        bool do_decrypt = (endecrypt_option == 'd');
        bool do_encrypt = (endecrypt_option == 'e') || (endecrypt_option == 'E');
        unsigned int rounds_offsets = (endecrypt_option == 'E') ? 0x2000 : 0x1600;
        unsigned int sbox_offsets = (endecrypt_option == 'E') ? 0x2400 : 0x2800;

        // check if ROM is already encrypted
        if (romType == ROMTYPE_NDSDUMPED)
        {
                if (do_decrypt)
                {
                        printf("Already decrypted.\n");
                }
                else 
                {
                        encrypt_arm9(*(u32 *)header.gamecode, data);
                        header.secure_area_crc = CalcCrc16(data, 0x4000);
                        header.header_crc = CalcHeaderCRC(header);
        
                        init0(*(u32 *)header.gamecode);
                        srand(*(u32 *)header.gamecode);
        
                        // clear data after header
                        fseek(fNDS, 0x200, SEEK_SET);
                        for (unsigned int i=0x200; i<0x1000; i++) fputc(0, fNDS);

/*                      // random data
                        fseek(fNDS, 0x1000, SEEK_SET);
                        for (unsigned int i=0x1000; i<0x4000; i++) fputc(rand(), fNDS);
*/
                        // rounds table
                        fseek(fNDS, rounds_offsets, SEEK_SET);
                        fwrite(card_hash + 0, 4, 18, fNDS);
        
                        // S-boxes
                        for (int i=0; i<4; i++)
                        {
                                fseek(fNDS, sbox_offsets + 4*256*i, SEEK_SET);
                                fwrite(card_hash + 18 + i*256, 4, 256, fNDS);   // s
                        }

                        // test patterns
                        fseek(fNDS, 0x3000, SEEK_SET);
                        for (int i=0x3000; i<0x3008; i++) fputc("\xFF\x00\xFF\x00\xAA\x55\xAA\x55"[i - 0x3000], fNDS);
                        for (int i=0x3008; i<0x3200; i++) fputc((u8)i, fNDS);
                        for (int i=0x3200; i<0x3400; i++) fputc((u8)(0xFF-i), fNDS);
                        for (int i=0x3400; i<0x3600; i++) fputc(0x00, fNDS);
                        for (int i=0x3600; i<0x3800; i++) fputc(0xFF, fNDS);
                        for (int i=0x3800; i<0x3A00; i++) fputc(0x0F, fNDS);
                        for (int i=0x3A00; i<0x3C00; i++) fputc(0xF0, fNDS);
                        for (int i=0x3C00; i<0x3E00; i++) fputc(0x55, fNDS);
                        for (int i=0x3E00; i<0x4000-1; i++) fputc(0xAA, fNDS);
                        fputc(0x00, fNDS);
        
                        // write secure 0x800
                        fseek(fNDS, 0x4000, SEEK_SET);
                        fwrite(data, 1, 0x800, fNDS);
        
                        // calculate CRCs and write header
                        header.secure_area_crc = CalcSecureAreaCRC(false);
                        header.logo_crc = CalcLogoCRC(header);
                        header.header_crc = CalcHeaderCRC(header);
                        fseek(fNDS, 0, SEEK_SET);
                        fwrite(&header, 512, 1, fNDS);
        
                        printf("Encrypted.\n");
                }
        }
        else if (romType >= ROMTYPE_ENCRSECURE)         // includes ROMTYPE_MASKROM
        {
                if (do_encrypt)
                {
                        printf("Already encrypted.\n");
                }
                else
                {
                        decrypt_arm9(*(u32 *)header.gamecode, data);
        
                        // clear data after header
                        fseek(fNDS, 0x200, SEEK_SET);
                        for (unsigned int i=0x200; i<0x4000; i++) fputc(0, fNDS);
        
                        // write secure 0x800
                        fseek(fNDS, 0x4000, SEEK_SET);
                        fwrite(data, 1, 0x800, fNDS);
        
                        // write header
                        fseek(fNDS, 0, SEEK_SET);
                        fwrite(&header, 512, 1, fNDS);
        
                        printf("Decrypted.\n");
                }
        }
        else
        {
                fprintf(stderr, "File doesn't appear to have a secure area!\n"); exit(1);
        }

        fclose(fNDS);
}