diff --git a/PKHeX/PKM/QRPK7.cs b/PKHeX/PKM/QRPK7.cs new file mode 100644 index 000000000..ed035beaa --- /dev/null +++ b/PKHeX/PKM/QRPK7.cs @@ -0,0 +1,58 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; + +namespace PKHeX.Core +{ + public class QRPK7 + { + public byte[] Data; + + public uint EncryptionConstant => BitConverter.ToUInt32(Data, 0); + public int HT_Flags => Data[4]; + public int Unk_5 => Data[5]; + public int Unk_6 => Data[6]; + public int Unk_7 => Data[7]; + public int Move1_PPUps => Data[8]; + public int Move2_PPUps => Data[9]; + public int Move3_PPUps => Data[0xA]; + public int Move4_PPUps => Data[0xB]; + public uint IV32 => BitConverter.ToUInt32(Data, 0xC); + public uint Unk_10 => BitConverter.ToUInt32(Data, 0x10); + public ushort Species => BitConverter.ToUInt16(Data, 0x14); + public ushort HeldItem => BitConverter.ToUInt16(Data, 0x16); + public ushort Move1 => BitConverter.ToUInt16(Data, 0x18); + public ushort Move2 => BitConverter.ToUInt16(Data, 0x1A); + public ushort Move3 => BitConverter.ToUInt16(Data, 0x1C); + public ushort Move4 => BitConverter.ToUInt16(Data, 0x1E); + public int Unk_20 => Data[0x20]; + public int AbilityIndex => Data[0x21]; + public int Nature => Data[0x22]; + public int EncounterFlags => Data[0x23]; // Data[0x1D] in PK7 + public int EV_HP => Data[0x24]; + public int EV_ATK => Data[0x25]; + public int EV_DEF => Data[0x26]; + public int EV_SPE => Data[0x27]; + public int EV_SPA => Data[0x28]; + public int EV_SPD => Data[0x29]; + public int Unk_2A => Data[0x2A]; + public int Familiarity => Data[0x2B]; + public int Ball => Data[0x2C]; + public int Level => Data[0x2D]; + public int CassetteVersion => Data[0x2E]; + public int Language => Data[0x2F]; + + public QRPK7(byte[] d) + { + if (d.Length != 0x30) + { + throw new ArgumentException("Invalid QRPK7 Data!"); + } + + Data = (byte[]) d.Clone(); + } + + } +} diff --git a/PKHeX/Saves/Substructures/MemeCrypto.cs b/PKHeX/Saves/Substructures/MemeCrypto.cs index db80e33de..71e013d3b 100644 --- a/PKHeX/Saves/Substructures/MemeCrypto.cs +++ b/PKHeX/Saves/Substructures/MemeCrypto.cs @@ -11,14 +11,14 @@ public static class MemeCrypto { private static byte[] AESECBEncrypt(byte[] key, byte[] data) { - using (MemoryStream ms = new MemoryStream()) + using (var ms = new MemoryStream()) { using (var aes = Util.GetAesProvider()) { aes.Mode = CipherMode.ECB; aes.Padding = PaddingMode.None; - using (CryptoStream cs = new CryptoStream(ms, aes.CreateEncryptor(key, new byte[0x10]), CryptoStreamMode.Write)) + using (var cs = new CryptoStream(ms, aes.CreateEncryptor(key, new byte[0x10]), CryptoStreamMode.Write)) { cs.Write(data, 0, data.Length); cs.FlushFinalBlock(); @@ -31,14 +31,14 @@ private static byte[] AESECBEncrypt(byte[] key, byte[] data) private static byte[] AESECBDecrypt(byte[] key, byte[] data) { - using (MemoryStream ms = new MemoryStream()) + using (var ms = new MemoryStream()) { using (var aes = Util.GetAesProvider()) { aes.Mode = CipherMode.ECB; aes.Padding = PaddingMode.None; - using (CryptoStream cs = new CryptoStream(ms, aes.CreateDecryptor(key, new byte[0x10]), CryptoStreamMode.Write)) + using (var cs = new CryptoStream(ms, aes.CreateDecryptor(key, new byte[0x10]), CryptoStreamMode.Write)) { cs.Write(data, 0, data.Length); cs.FlushFinalBlock(); @@ -51,12 +51,12 @@ private static byte[] AESECBDecrypt(byte[] key, byte[] data) private static byte[] MemeCryptoAESEncrypt(byte[] key, byte[] data) // key = SHA1(rsapubkey+hash) { - byte[] temp = new byte[0x10]; - byte[] subkey = new byte[0x10]; - byte[] output = new byte[data.Length]; - for (int i = 0; i < data.Length / 0x10; i++) // Phase 1: CBC Encryption. + var temp = new byte[0x10]; + var subkey = new byte[0x10]; + var output = new byte[data.Length]; + for (var i = 0; i < data.Length / 0x10; i++) // Phase 1: CBC Encryption. { - byte[] curblock = new byte[0x10]; + var curblock = new byte[0x10]; Array.Copy(data, i * 0x10, curblock, 0, 0x10); temp = AESECBEncrypt(key, temp.Xor(curblock)); temp.CopyTo(output, i * 0x10); @@ -64,7 +64,7 @@ private static byte[] MemeCryptoAESEncrypt(byte[] key, byte[] data) // key = SHA // In between - CMAC stuff temp = temp.Xor(output.Take(0x10).ToArray()); - for (int ofs = 0; ofs < 0x10; ofs += 2) // Imperfect ROL implementation + for (var ofs = 0; ofs < 0x10; ofs += 2) // Imperfect ROL implementation { byte b1 = temp[ofs + 0], b2 = temp[ofs + 1]; subkey[ofs + 0] = (byte)(2 * b1 + (b2 >> 7)); @@ -76,9 +76,9 @@ private static byte[] MemeCryptoAESEncrypt(byte[] key, byte[] data) // key = SHA subkey[0xF] ^= 0x87; temp = new byte[0x10]; // Memcpy from an all-zero buffer - for (int i = 0; i < data.Length / 0x10; i++) + for (var i = 0; i < data.Length / 0x10; i++) { - byte[] curblock = new byte[0x10]; + var curblock = new byte[0x10]; Array.Copy(output, (data.Length / 0x10 - 1 - i) * 0x10, curblock, 0, 0x10); byte[] temp2 = curblock.Xor(subkey); Array.Copy(AESECBEncrypt(key, temp2).Xor(temp), 0, output, (data.Length / 0x10 - 1 - i) * 0x10, 0x10); @@ -90,12 +90,12 @@ private static byte[] MemeCryptoAESEncrypt(byte[] key, byte[] data) // key = SHA private static byte[] MemeCryptoAESDecrypt(byte[] key, byte[] data) { - byte[] temp = new byte[0x10]; - byte[] subkey = new byte[0x10]; - byte[] output = new byte[data.Length]; - for (int i = 0; i < data.Length / 0x10; i++) // Reverse Phase 2 + var temp = new byte[0x10]; + var subkey = new byte[0x10]; + var output = new byte[data.Length]; + for (var i = 0; i < data.Length / 0x10; i++) // Reverse Phase 2 { - byte[] curblock = new byte[0x10]; + var curblock = new byte[0x10]; Array.Copy(data, (data.Length / 0x10 - 1 - i) * 0x10, curblock, 0, 0x10); temp = AESECBDecrypt(key, temp.Xor(curblock)); temp.CopyTo(output, (data.Length / 0x10 - 1 - i) * 0x10); @@ -109,7 +109,7 @@ private static byte[] MemeCryptoAESDecrypt(byte[] key, byte[] data) // = block first ^ block last ;) Array.Copy(output, (data.Length / 0x10 - 1) * 0x10, temp, 0, 0x10); temp = temp.Xor(output.Take(0x10).ToArray()); - for (int ofs = 0; ofs < 0x10; ofs += 2) // Imperfect ROL implementation + for (var ofs = 0; ofs < 0x10; ofs += 2) // Imperfect ROL implementation { byte b1 = temp[ofs + 0], b2 = temp[ofs + 1]; subkey[ofs + 0] = (byte)(2 * b1 + (b2 >> 7)); @@ -120,18 +120,18 @@ private static byte[] MemeCryptoAESDecrypt(byte[] key, byte[] data) if ((temp[0] & 0x80) != 0) subkey[0xF] ^= 0x87; - for (int i = 0; i < data.Length / 0x10; i++) + for (var i = 0; i < data.Length / 0x10; i++) { - byte[] curblock = new byte[0x10]; + var curblock = new byte[0x10]; Array.Copy(output, 0x10 * i, curblock, 0, 0x10); Array.Copy(curblock.Xor(subkey), 0, output, 0x10 * i, 0x10); } // Now we have Phase1Encrypt(buf). temp = new byte[0x10]; // Clear to all zero - for (int i = 0; i < data.Length / 0x10; i++) // Phase 1: CBC Encryption. + for (var i = 0; i < data.Length / 0x10; i++) // Phase 1: CBC Encryption. { - byte[] curblock = new byte[0x10]; + var curblock = new byte[0x10]; Array.Copy(output, i * 0x10, curblock, 0, 0x10); AESECBDecrypt(key, curblock).Xor(temp).CopyTo(output, i * 0x10); curblock.CopyTo(temp, 0); @@ -142,30 +142,11 @@ private static byte[] MemeCryptoAESDecrypt(byte[] key, byte[] data) private static byte[] RSADecrypt(byte[] data) { - byte[] modulus = - { - 0xb6, 0x1e, 0x19, 0x20, 0x91, 0xf9, 0x0a, 0x8f, 0x76, 0xa6, 0xea, 0xaa, 0x9a, 0x3c, 0xe5, 0x8c, 0x86, 0x3f, - 0x39, 0xae, 0x25, 0x3f, 0x03, 0x78, 0x16, 0xf5, 0x97, 0x58, 0x54, 0xe0, 0x7a, 0x9a, 0x45, 0x66, 0x01, - 0xe7, 0xc9, 0x4c, 0x29, 0x75, 0x9f, 0xe1, 0x55, 0xc0, 0x64, 0xed, 0xdf, 0xa1, 0x11, 0x44, 0x3f, 0x81, - 0xef, 0x1a, 0x42, 0x8c, 0xf6, 0xcd, 0x32, 0xf9, 0xda, 0xc9, 0xd4, 0x8e, 0x94, 0xcf, 0xb3, 0xf6, 0x90, - 0x12, 0x0e, 0x8e, 0x6b, 0x91, 0x11, 0xad, 0xda, 0xf1, 0x1e, 0x7c, 0x96, 0x20, 0x8c, 0x37, 0xc0, 0x14, - 0x3f, 0xf2, 0xbf, 0x3d, 0x7e, 0x83, 0x11, 0x41, 0xa9, 0x73 - }; - - byte[] privKey = - { - 0x77, 0x54, 0x55, 0x66, 0x8f, 0xff, 0x3c, 0xba, 0x30, 0x26, 0xc2, 0xd0, 0xb2, 0x6b, 0x80, - 0x85, 0x89, 0x59, 0x58, 0x34, 0x11, 0x57, 0xae, 0xb0, 0x3b, 0x6b, 0x04, 0x95, 0xee, 0x57, 0x80, 0x3e, - 0x21, 0x86, 0xeb, 0x6c, 0xb2, 0xeb, 0x62, 0xa7, 0x1d, 0xf1, 0x8a, 0x3c, 0x9c, 0x65, 0x79, 0x07, 0x76, - 0x70, 0x96, 0x1b, 0x3a, 0x61, 0x02, 0xda, 0xbe, 0x5a, 0x19, 0x4a, 0xb5, 0x8c, 0x32, 0x50, 0xae, 0xd5, - 0x97, 0xfc, 0x78, 0x97, 0x8a, 0x32, 0x6d, 0xb1, 0xd7, 0xb2, 0x8d, 0xcc, 0xcb, 0x2a, 0x3e, 0x01, 0x4e, - 0xdb, 0xd3, 0x97, 0xad, 0x33, 0xb8, 0xf2, 0x8c, 0xd5, 0x25, 0x05, 0x42, 0x51 - }; - - var N = new BigInteger(modulus.Reverse().Concat(new byte[] { 0 }).ToArray()); - var D = new BigInteger(privKey.Reverse().Concat(new byte[] { 0 }).ToArray()); + var N = new BigInteger(MemeKeys[3].N); + var D = new BigInteger(MemeKeys[3].D); var M = new BigInteger(data.Reverse().Concat(new byte[] { 0 }).ToArray()); - byte[] sig = BigInteger.ModPow(M, D, N).ToByteArray().Reverse().ToArray(); + + var sig = BigInteger.ModPow(M, D, N).ToByteArray().Reverse().ToArray(); if (sig.Length < 0x60) sig = new byte[0x60 - sig.Length].Concat(sig).ToArray(); else if (sig.Length > 0x60) @@ -173,24 +154,13 @@ private static byte[] RSADecrypt(byte[] data) return sig; } - private static byte[] RSAEncrypt(byte[] data) + private static byte[] RSAEncrypt(byte[] data, int index) { - byte[] modulus = - { - 0xb6, 0x1e, 0x19, 0x20, 0x91, 0xf9, 0x0a, 0x8f, 0x76, 0xa6, 0xea, 0xaa, 0x9a, 0x3c, 0xe5, 0x8c, 0x86, 0x3f, - 0x39, 0xae, 0x25, 0x3f, 0x03, 0x78, 0x16, 0xf5, 0x97, 0x58, 0x54, 0xe0, 0x7a, 0x9a, 0x45, 0x66, 0x01, - 0xe7, 0xc9, 0x4c, 0x29, 0x75, 0x9f, 0xe1, 0x55, 0xc0, 0x64, 0xed, 0xdf, 0xa1, 0x11, 0x44, 0x3f, 0x81, - 0xef, 0x1a, 0x42, 0x8c, 0xf6, 0xcd, 0x32, 0xf9, 0xda, 0xc9, 0xd4, 0x8e, 0x94, 0xcf, 0xb3, 0xf6, 0x90, - 0x12, 0x0e, 0x8e, 0x6b, 0x91, 0x11, 0xad, 0xda, 0xf1, 0x1e, 0x7c, 0x96, 0x20, 0x8c, 0x37, 0xc0, 0x14, - 0x3f, 0xf2, 0xbf, 0x3d, 0x7e, 0x83, 0x11, 0x41, 0xa9, 0x73 - }; - - byte[] pubKey = { 1, 0, 1 }; - - var N = new BigInteger(modulus.Reverse().Concat(new byte[] { 0 }).ToArray()); - var E = new BigInteger(pubKey.Reverse().Concat(new byte[] { 0 }).ToArray()); + var N = new BigInteger(MemeKeys[index].N); + var E = new BigInteger(MemeKeys[index].E); var M = new BigInteger(data.Reverse().Concat(new byte[] { 0 }).ToArray()); - byte[] sig = BigInteger.ModPow(M, E, N).ToByteArray().Reverse().ToArray(); + + var sig = BigInteger.ModPow(M, E, N).ToByteArray().Reverse().ToArray(); if (sig.Length < 0x60) sig = new byte[0x60 - sig.Length].Concat(sig).ToArray(); else if (sig.Length > 0x60) @@ -198,46 +168,81 @@ private static byte[] RSAEncrypt(byte[] data) return sig; } - private static byte[] ReverseCrypt(byte[] input) - { - if (input.Length != 0x80) - throw new ArgumentException("Invalid Memecrypto decryption byte[]!"); + private static byte[] ReverseCrypt(byte[] input, int meme_ofs, int memeindex) + { + var output = (byte[])input.Clone(); + + var memekey = MemeKeys[memeindex]; using (var sha1 = Util.GetSHA1Provider()) { - byte[] PubKeyDer = "307C300D06092A864886F70D0101010500036B003068026100B61E192091F90A8F76A6EAAA9A3CE58C863F39AE253F037816F5975854E07A9A456601E7C94C29759FE155C064EDDFA111443F81EF1A428CF6CD32F9DAC9D48E94CFB3F690120E8E6B9111ADDAF11E7C96208C37C0143FF2BF3D7E831141A9730203010001".ToByteArray(); - byte[] enc = new byte[0x60]; - Array.Copy(input, 0x20, enc, 0, 0x60); + var enc = new byte[0x60]; + Array.Copy(input, meme_ofs, enc, 0, 0x60); - byte[] keybuf = new byte[PubKeyDer.Length + 0x20]; - Array.Copy(PubKeyDer, keybuf, PubKeyDer.Length); - Array.Copy(input, 0, keybuf, PubKeyDer.Length, 0x20); - byte[] key = sha1.ComputeHash(keybuf).Take(0x10).ToArray(); + var keybuf = new byte[memekey.DER.Length + meme_ofs]; + Array.Copy(memekey.DER, keybuf, memekey.DER.Length); + if (meme_ofs > 0) + Array.Copy(input, 0, keybuf, memekey.DER.Length, meme_ofs); + var key = sha1.ComputeHash(keybuf).Take(0x10).ToArray(); + + var RSA = RSAEncrypt(enc, memeindex); + MemeCryptoAESDecrypt(key, RSA).CopyTo(output, meme_ofs); + if (sha1.ComputeHash(output, 0, meme_ofs + 0x58).Take(0x8).SequenceEqual(output.Skip(meme_ofs + 0x58).Take(0x8))) + { + return output; + } - byte[] RSA = RSAEncrypt(enc); - var dec = MemeCryptoAESDecrypt(key, RSA); - if (sha1.ComputeHash(dec).Take(0x8).SequenceEqual(dec.Skip(0x58))) - return dec; RSA[0] |= 0x80; - dec = MemeCryptoAESDecrypt(key, RSA); - if (sha1.ComputeHash(dec).Take(0x8).SequenceEqual(dec.Skip(0x58))) - return dec; - } + MemeCryptoAESDecrypt(key, RSA).CopyTo(output, meme_ofs); + if (sha1.ComputeHash(output, 0, meme_ofs + 0x58).Take(0x8).SequenceEqual(output.Skip(meme_ofs + 0x58).Take(0x8))) + { + return output; + } + } return null; } + public static byte[] VerifyMemeData(byte[] input) + { + if (input.Length < 0x60) + throw new ArgumentException("Invalid Memecrypto decryption byte[]!"); + var memeindex = 3; + var meme_ofs = input.Length - 0x60; + + for (var i = input.Length - 8; i >= 0; i--) + { + if (BitConverter.ToUInt32(input, i) != 0x454B4F50 || + BitConverter.ToUInt32(input, i + 4) >= MemeKeys.Length) continue; + + meme_ofs = i - 0x60; + memeindex = BitConverter.ToInt32(input, i + 4); + break; + } + + if (meme_ofs < 0) + return null; + + // Standard Format. + var meme_sig = ReverseCrypt(input, meme_ofs, memeindex) ?? ReverseCrypt(input, meme_ofs, 3); + + if (meme_ofs >= 2 && meme_sig == null) // Pokedex QR Edge case + meme_sig = ReverseCrypt(input, meme_ofs - 2, memeindex) ?? ReverseCrypt(input, meme_ofs - 2, 3); + + return meme_sig; + } + public static byte[] SignMemeData(byte[] input) { if (input.Length < 0x60) throw new ArgumentException("Bad Meme input!"); - byte[] PubKeyDer = "307C300D06092A864886F70D0101010500036B003068026100B61E192091F90A8F76A6EAAA9A3CE58C863F39AE253F037816F5975854E07A9A456601E7C94C29759FE155C064EDDFA111443F81EF1A428CF6CD32F9DAC9D48E94CFB3F690120E8E6B9111ADDAF11E7C96208C37C0143FF2BF3D7E831141A9730203010001".ToByteArray(); + const int memeindex = 3; using (var sha1 = Util.GetSHA1Provider()) { - byte[] key = sha1.ComputeHash(PubKeyDer.Concat(input.Take(input.Length - 0x60)).ToArray()).Take(0x10).ToArray(); + var key = sha1.ComputeHash(MemeKeys[memeindex].DER.Concat(input.Take(input.Length - 0x60)).ToArray()).Take(0x10).ToArray(); - byte[] output = (byte[])input.Clone(); + var output = (byte[])input.Clone(); Array.Copy(sha1.ComputeHash(input, 0, input.Length - 8), 0, output, output.Length - 8, 8); - byte[] MemeCrypted = MemeCryptoAESEncrypt(key, output.Skip(output.Length - 0x60).ToArray()); + var MemeCrypted = MemeCryptoAESEncrypt(key, output.Skip(output.Length - 0x60).ToArray()); MemeCrypted[0] &= 0x7F; var RSA = RSADecrypt(MemeCrypted); RSA.CopyTo(output, output.Length - 0x60); @@ -246,44 +251,53 @@ public static byte[] SignMemeData(byte[] input) } /// - /// Resigns save data. + /// Resigns save data. /// /// The save data to resign. - /// If true, throw an if MemeCrypto is unsupported. If false, calling this function will have no effect. - /// Thrown if the current platform has FIPS mode enabled on a platform that does not support the required crypto service providers. + /// + /// If true, throw an if MemeCrypto is + /// unsupported. If false, calling this function will have no effect. + /// + /// + /// Thrown if the current platform has FIPS mode enabled on a platform that + /// does not support the required crypto service providers. + /// /// The resigned save data. public static byte[] Resign(byte[] sav7, bool throwIfUnsupported = true) { if (sav7 == null || sav7.Length != 0x6BE00) - return null; + return null; try { - byte[] outSav = (byte[])sav7.Clone(); + var outSav = (byte[])sav7.Clone(); using (var sha256 = Util.GetSHA256Provider()) { - byte[] CurSig = new byte[0x80]; + var CurSig = new byte[0x80]; Array.Copy(sav7, 0x6BB00, CurSig, 0, 0x80); - byte[] ChecksumTable = new byte[0x140]; + var ChecksumTable = new byte[0x140]; Array.Copy(sav7, 0x6BC00, ChecksumTable, 0, 0x140); - SignMemeData(sha256.ComputeHash(ChecksumTable).Concat(ReverseCrypt(CurSig) ?? new byte[0x60]).ToArray()).CopyTo(outSav, 0x6BB00); + var newSig = new byte[0x80]; + sha256.ComputeHash(ChecksumTable).CopyTo(newSig, 0); + var memeSig = VerifyMemeData(CurSig); + if (memeSig != null) + Array.Copy(memeSig, 0x20, newSig, 0, 0x60); + + SignMemeData(newSig).CopyTo(outSav, 0x6BB00); } return outSav; - } + } catch (InvalidOperationException) { if (throwIfUnsupported) { throw; } - else - { - return (byte[])sav7.Clone(); - } - } + return (byte[])sav7.Clone(); + } } public static bool CanUseMemeCrypto() @@ -298,6 +312,64 @@ public static bool CanUseMemeCrypto() } return true; } + + #region Meme Key Data + + private static readonly byte[] DER_0 = "307C300D06092A864886F70D0101010500036B003068026100B3D68C9B1090F6B1B88ECFA9E2F60E9C62C3033B5B64282F262CD393B433D97BD3DB7EBA470B1A77A3DB3C18A1E7616972229BDAD54FB02A19546C65FA4773AABE9B8C926707E7B7DDE4C867C01C0802985E438656168A4430F3F3B9662D7D010203010001".ToByteArray(); + private static readonly byte[] DER_1 = "307C300D06092A864886F70D0101010500036B003068026100C10F4097FD3C781A8FDE101EF3B2F091F82BEE4742324B9206C581766EAF2FBB42C7D60D749B999C529B0E22AD05E0C880231219AD473114EC454380A92898D7A8B54D9432584897D6AFE4860235126190A328DD6525D97B9058D98640B0FA050203010001".ToByteArray(); + private static readonly byte[] DER_2 = "307C300D06092A864886F70D0101010500036B003068026100C3C8D89F55D6A236A115C77594D4B318F0A0A0E3252CC0D6345EB9E33A43A5A56DC9D10B7B59C135396159EC4D01DEBC5FB3A4CAE47853E205FE08982DFCC0C39F0557449F97D41FED13B886AEBEEA918F4767E8FBE0494FFF6F6EE3508E3A3F0203010001".ToByteArray(); + private static readonly byte[] DER_3 = "307C300D06092A864886F70D0101010500036B003068026100B61E192091F90A8F76A6EAAA9A3CE58C863F39AE253F037816F5975854E07A9A456601E7C94C29759FE155C064EDDFA111443F81EF1A428CF6CD32F9DAC9D48E94CFB3F690120E8E6B9111ADDAF11E7C96208C37C0143FF2BF3D7E831141A9730203010001".ToByteArray(); + private static readonly byte[] DER_4 = "307C300D06092A864886F70D0101010500036B003068026100A0F2AC80B408E2E4D58916A1C706BEE7A24758A62CE9B50AF1B31409DFCB382E885AA8BB8C0E4AD1BCF6FF64FB3037757D2BEA10E4FE9007C850FFDCF70D2AFAA4C53FAFE38A9917D467862F50FE375927ECFEF433E61BF817A645FA5665D9CF0203010001".ToByteArray(); + private static readonly byte[] DER_5 = "307C300D06092A864886F70D0101010500036B003068026100D046F2872868A5089205B226DE13D86DA552646AC152C84615BE8E0A5897C3EA45871028F451860EA226D53B68DDD5A77D1AD82FAF857EA52CF7933112EEC367A06C0761E580D3D70B6B9C837BAA3F16D1FF7AA20D87A2A5E2BCC6E383BF12D50203010001".ToByteArray(); + private static readonly byte[] DER_6 = "307C300D06092A864886F70D0101010500036B003068026100D379919001D7FF40AC59DF475CF6C6368B1958DD4E870DFD1CE11218D5EA9D88DD7AD530E2806B0B092C02E25DB092518908EDA574A0968D49B0503954B24284FA75445A074CE6E1ABCEC8FD01DAA0D21A0DD97B417BC3E54BEB7253FC06D3F30203010001".ToByteArray(); + private static readonly byte[] DER_7 = "307C300D06092A864886F70D0101010500036B003068026100B751CB7D282625F2961A7138650ABE1A6AA80D69548BA3AE9DFF065B2805EB3675D960C62096C2835B1DF1C290FC19411944AFDF3458E3B1BC81A98C3F3E95D0EE0C20A0259E614399404354D90F0C69111A4E525F425FBB31A38B8C558F23730203010001".ToByteArray(); + private static readonly byte[] DER_8 = "307C300D06092A864886F70D0101010500036B003068026100B328FE4CC41627882B04FBA0A396A15285A8564B6112C1203048766D827E8E4E5655D44B266B2836575AE68C8301632A3E58B1F4362131E97B0AA0AFC38F2F7690CBD4F3F4652072BFD8E9421D2BEEF177873CD7D08B6C0D1022109CA3ED5B630203010001".ToByteArray(); + private static readonly byte[] DER_9 = "307C300D06092A864886F70D0101010500036B003068026100C4B32FD1161CC30D04BD569F409E878AA2815C91DD009A5AE8BFDAEA7D116BF24966BF10FCC0014B258DFEF6614E55FB6DAB2357CD6DF5B63A5F059F724469C0178D83F88F45048982EAE7A7CC249F84667FC393684DA5EFE1856EB10027D1D70203010001".ToByteArray(); + private static readonly byte[] DER_A = "307C300D06092A864886F70D0101010500036B003068026100C5B75401E83352A64EEC8916C4206F17EC338A24A6F7FD515260696D7228496ABC1423E1FF30514149FC199720E95E682539892E510B239A8C7A413DE4EEE74594F073815E9B434711F6807E8B9E7C10C281F89CF3B1C14E3F0ADF83A2805F090203010001".ToByteArray(); + private static readonly byte[] DER_B = "307C300D06092A864886F70D0101010500036B003068026100AC36B88D00C399C660B4846287FFC7F9DF5C07487EAAE3CD4EFD0029D3B86ED3658AD7DEE4C7F5DA25F9F6008885F343122274994CAB647776F0ADCFBA1E0ECEC8BF57CAAB8488BDD59A55195A0167C7D2C4A9CF679D0EFF4A62B5C8568E09770203010001".ToByteArray(); + private static readonly byte[] DER_C = "307C300D06092A864886F70D0101010500036B003068026100CAC0514D4B6A3F70771C461B01BDE3B6D47A0ADA078074DDA50703D8CC28089379DA64FB3A34AD3435D24F7331383BDADC4877662EFB555DA2077619B70AB0342EBE6EE888EBF3CF4B7E8BCCA95C61E993BDD6104C10D11115DC84178A5894350203010001".ToByteArray(); + private static readonly byte[] DER_D = "307C300D06092A864886F70D0101010500036B003068026100B906466740F5A9428DA84B418C7FA6146F7E24C783373D671F9214B40948A4A317C1A4460111B45D2DADD093815401573E52F0178890D35CBD95712EFAAE0D20AD47187648775CD9569431B1FC3C784113E3A48436D30B2CD162218D6781F5ED0203010001".ToByteArray(); + + private static readonly byte[] D_3 = "775455668FFF3CBA3026C2D0B26B8085895958341157AEB03B6B0495EE57803E2186EB6CB2EB62A71DF18A3C9C6579077670961B3A6102DABE5A194AB58C3250AED597FC78978A326DB1D7B28DCCCB2A3E014EDBD397AD33B8F28CD525054251".ToByteArray(); + + private static readonly MemeKey[] MemeKeys = + { + new MemeKey(DER_0), // Friendly Competition QRs + new MemeKey(DER_1), // Live Competition QRs + new MemeKey(DER_2), // Rental Team QRs + new MemeKey(DER_3, D_3), // Save files/Pokedex QRs + new MemeKey(DER_4), // Ga-Ole QRs + new MemeKey(DER_5), // Magearna QRs + new MemeKey(DER_6), // Moncolle GET QRs + new MemeKey(DER_7), // Unknown (7) + new MemeKey(DER_8), // Unknown (8) + new MemeKey(DER_9), // Unknown (9) + new MemeKey(DER_A), // Unknown (10) + new MemeKey(DER_B), // Unknown (11) + new MemeKey(DER_C), // Unknown (12) + new MemeKey(DER_D) // Unknown (13) + }; + #endregion + } + + public class MemeKey + { + public byte[] D; // Private Exponent + public byte[] DER; // DER. + public byte[] E; // Public Exponent + public byte[] N; // Modulus + + public MemeKey(byte[] der, byte[] d = null) + { + DER = der; + D = d; + N = new byte[0x61]; + E = new byte[0x3]; + Array.Copy(der, 0x18, N, 0, 0x61); + Array.Copy(der, 0x7B, E, 0, 3); + Array.Reverse(N); + Array.Reverse(E); + } } public static class StringExtentions @@ -317,16 +389,16 @@ public static byte[] Xor(this byte[] b1, byte[] b2) { if (b1.Length != b2.Length) throw new ArgumentException("Cannot xor two arrays of uneven length!"); - byte[] x = new byte[b1.Length]; - for (int i = 0; i < b1.Length; i++) + var x = new byte[b1.Length]; + for (var i = 0; i < b1.Length; i++) x[i] = (byte)(b1[i] ^ b2[i]); return x; } public static string ToHexString(this byte[] ba) { - StringBuilder hex = new StringBuilder(ba.Length * 2); - foreach (byte b in ba) + var hex = new StringBuilder(ba.Length * 2); + foreach (var b in ba) hex.AppendFormat("{0:X2}", b); return hex.ToString(); }