diff options
Diffstat (limited to 'LibTSforge/Crypto')
| -rw-r--r-- | LibTSforge/Crypto/CryptoUtils.cs | 121 | ||||
| -rw-r--r-- | LibTSforge/Crypto/Keys.cs | 87 | ||||
| -rw-r--r-- | LibTSforge/Crypto/PhysStoreCrypto.cs | 71 |
3 files changed, 279 insertions, 0 deletions
diff --git a/LibTSforge/Crypto/CryptoUtils.cs b/LibTSforge/Crypto/CryptoUtils.cs new file mode 100644 index 0000000..4851570 --- /dev/null +++ b/LibTSforge/Crypto/CryptoUtils.cs @@ -0,0 +1,121 @@ +namespace LibTSforge.Crypto +{ + using System; + using System.Linq; + using System.Security.Cryptography; + + public static class CryptoUtils + { + public static byte[] GenerateRandomKey(int len) + { + byte[] rand = new byte[len]; + Random r = new Random(); + r.NextBytes(rand); + + return rand; + } + + public static byte[] AESEncrypt(byte[] data, byte[] key) + { + using (Aes aes = Aes.Create()) + { + aes.Key = key; + aes.Mode = CipherMode.CBC; + aes.Padding = PaddingMode.PKCS7; + + ICryptoTransform encryptor = aes.CreateEncryptor(aes.Key, Enumerable.Repeat((byte)0, 16).ToArray()); + byte[] encryptedData = encryptor.TransformFinalBlock(data, 0, data.Length); + return encryptedData; + } + } + + public static byte[] AESDecrypt(byte[] data, byte[] key) + { + using (Aes aes = Aes.Create()) + { + aes.Key = key; + aes.Mode = CipherMode.CBC; + aes.Padding = PaddingMode.PKCS7; + + ICryptoTransform decryptor = aes.CreateDecryptor(aes.Key, Enumerable.Repeat((byte)0, 16).ToArray()); + byte[] decryptedData = decryptor.TransformFinalBlock(data, 0, data.Length); + return decryptedData; + } + } + + public static byte[] RSADecrypt(byte[] rsaKey, byte[] data) + { + + using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) + { + rsa.ImportCspBlob(rsaKey); + return rsa.Decrypt(data, false); + } + } + + public static byte[] RSAEncrypt(byte[] rsaKey, byte[] data) + { + using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) + { + rsa.ImportCspBlob(rsaKey); + return rsa.Encrypt(data, false); + } + } + + public static byte[] RSASign(byte[] rsaKey, byte[] data) + { + using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) + { + rsa.ImportCspBlob(rsaKey); + RSAPKCS1SignatureFormatter formatter = new RSAPKCS1SignatureFormatter(rsa); + formatter.SetHashAlgorithm("SHA1"); + + byte[] hash; + using (SHA1 sha1 = SHA1.Create()) + { + hash = sha1.ComputeHash(data); + } + + return formatter.CreateSignature(hash); + } + } + + public static bool RSAVerifySignature(byte[] rsaKey, byte[] data, byte[] signature) + { + using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) + { + rsa.ImportCspBlob(rsaKey); + RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(rsa); + deformatter.SetHashAlgorithm("SHA1"); + + byte[] hash; + using (SHA1 sha1 = SHA1.Create()) + { + hash = sha1.ComputeHash(data); + } + + return deformatter.VerifySignature(hash, signature); + } + } + + public static byte[] HMACSign(byte[] key, byte[] data) + { + HMACSHA1 hmac = new HMACSHA1(key); + return hmac.ComputeHash(data); + } + + public static bool HMACVerify(byte[] key, byte[] data, byte[] signature) + { + HMACSHA1 hmac = new HMACSHA1(key); + return Enumerable.SequenceEqual(signature, HMACSign(key, data)); + } + + public static byte[] SHA256Hash(byte[] data) + { + using (SHA256 sha256 = SHA256.Create()) + { + return sha256.ComputeHash(data); + } + } + } +} diff --git a/LibTSforge/Crypto/Keys.cs b/LibTSforge/Crypto/Keys.cs new file mode 100644 index 0000000..2950185 --- /dev/null +++ b/LibTSforge/Crypto/Keys.cs @@ -0,0 +1,87 @@ +namespace LibTSforge.Crypto +{ + public static class Keys + { + public static readonly byte[] PRODUCTION = { + 0x07, 0x02, 0x00, 0x00, 0x00, 0xA4, 0x00, 0x00, 0x52, 0x53, 0x41, 0x32, 0x00, 0x04, 0x00, 0x00, + 0x01, 0x00, 0x01, 0x00, 0x29, 0x87, 0xBA, 0x3F, 0x52, 0x90, 0x57, 0xD8, 0x12, 0x26, 0x6B, 0x38, + 0xB2, 0x3B, 0xF9, 0x67, 0x08, 0x4F, 0xDD, 0x8B, 0xF5, 0xE3, 0x11, 0xB8, 0x61, 0x3A, 0x33, 0x42, + 0x51, 0x65, 0x05, 0x86, 0x1E, 0x00, 0x41, 0xDE, 0xC5, 0xDD, 0x44, 0x60, 0x56, 0x3D, 0x14, 0x39, + 0xB7, 0x43, 0x65, 0xE9, 0xF7, 0x2B, 0xA5, 0xF0, 0xA3, 0x65, 0x68, 0xE9, 0xE4, 0x8B, 0x5C, 0x03, + 0x2D, 0x36, 0xFE, 0x28, 0x4C, 0xD1, 0x3C, 0x3D, 0xC1, 0x90, 0x75, 0xF9, 0x6E, 0x02, 0xE0, 0x58, + 0x97, 0x6A, 0xCA, 0x80, 0x02, 0x42, 0x3F, 0x6C, 0x15, 0x85, 0x4D, 0x83, 0x23, 0x6A, 0x95, 0x9E, + 0x38, 0x52, 0x59, 0x38, 0x6A, 0x99, 0xF0, 0xB5, 0xCD, 0x53, 0x7E, 0x08, 0x7C, 0xB5, 0x51, 0xD3, + 0x8F, 0xA3, 0x0D, 0xA0, 0xFA, 0x8D, 0x87, 0x3C, 0xFC, 0x59, 0x21, 0xD8, 0x2E, 0xD9, 0x97, 0x8B, + 0x40, 0x60, 0xB1, 0xD7, 0x2B, 0x0A, 0x6E, 0x60, 0xB5, 0x50, 0xCC, 0x3C, 0xB1, 0x57, 0xE4, 0xB7, + 0xDC, 0x5A, 0x4D, 0xE1, 0x5C, 0xE0, 0x94, 0x4C, 0x5E, 0x28, 0xFF, 0xFA, 0x80, 0x6A, 0x13, 0x53, + 0x52, 0xDB, 0xF3, 0x04, 0x92, 0x43, 0x38, 0xB9, 0x1B, 0xD9, 0x85, 0x54, 0x7B, 0x14, 0xC7, 0x89, + 0x16, 0x8A, 0x4B, 0x82, 0xA1, 0x08, 0x02, 0x99, 0x23, 0x48, 0xDD, 0x75, 0x9C, 0xC8, 0xC1, 0xCE, + 0xB0, 0xD7, 0x1B, 0xD8, 0xFB, 0x2D, 0xA7, 0x2E, 0x47, 0xA7, 0x18, 0x4B, 0xF6, 0x29, 0x69, 0x44, + 0x30, 0x33, 0xBA, 0xA7, 0x1F, 0xCE, 0x96, 0x9E, 0x40, 0xE1, 0x43, 0xF0, 0xE0, 0x0D, 0x0A, 0x32, + 0xB4, 0xEE, 0xA1, 0xC3, 0x5E, 0x9B, 0xC7, 0x7F, 0xF5, 0x9D, 0xD8, 0xF2, 0x0F, 0xD9, 0x8F, 0xAD, + 0x75, 0x0A, 0x00, 0xD5, 0x25, 0x43, 0xF7, 0xAE, 0x51, 0x7F, 0xB7, 0xDE, 0xB7, 0xAD, 0xFB, 0xCE, + 0x83, 0xE1, 0x81, 0xFF, 0xDD, 0xA2, 0x77, 0xFE, 0xEB, 0x27, 0x1F, 0x10, 0xFA, 0x82, 0x37, 0xF4, + 0x7E, 0xCC, 0xE2, 0xA1, 0x58, 0xC8, 0xAF, 0x1D, 0x1A, 0x81, 0x31, 0x6E, 0xF4, 0x8B, 0x63, 0x34, + 0xF3, 0x05, 0x0F, 0xE1, 0xCC, 0x15, 0xDC, 0xA4, 0x28, 0x7A, 0x9E, 0xEB, 0x62, 0xD8, 0xD8, 0x8C, + 0x85, 0xD7, 0x07, 0x87, 0x90, 0x2F, 0xF7, 0x1C, 0x56, 0x85, 0x2F, 0xEF, 0x32, 0x37, 0x07, 0xAB, + 0xB0, 0xE6, 0xB5, 0x02, 0x19, 0x35, 0xAF, 0xDB, 0xD4, 0xA2, 0x9C, 0x36, 0x80, 0xC6, 0xDC, 0x82, + 0x08, 0xE0, 0xC0, 0x5F, 0x3C, 0x59, 0xAA, 0x4E, 0x26, 0x03, 0x29, 0xB3, 0x62, 0x58, 0x41, 0x59, + 0x3A, 0x37, 0x43, 0x35, 0xE3, 0x9F, 0x34, 0xE2, 0xA1, 0x04, 0x97, 0x12, 0x9D, 0x8C, 0xAD, 0xF7, + 0xFB, 0x8C, 0xA1, 0xA2, 0xE9, 0xE4, 0xEF, 0xD9, 0xC5, 0xE5, 0xDF, 0x0E, 0xBF, 0x4A, 0xE0, 0x7A, + 0x1E, 0x10, 0x50, 0x58, 0x63, 0x51, 0xE1, 0xD4, 0xFE, 0x57, 0xB0, 0x9E, 0xD7, 0xDA, 0x8C, 0xED, + 0x7D, 0x82, 0xAC, 0x2F, 0x25, 0x58, 0x0A, 0x58, 0xE6, 0xA4, 0xF4, 0x57, 0x4B, 0xA4, 0x1B, 0x65, + 0xB9, 0x4A, 0x87, 0x46, 0xEB, 0x8C, 0x0F, 0x9A, 0x48, 0x90, 0xF9, 0x9F, 0x76, 0x69, 0x03, 0x72, + 0x77, 0xEC, 0xC1, 0x42, 0x4C, 0x87, 0xDB, 0x0B, 0x3C, 0xD4, 0x74, 0xEF, 0xE5, 0x34, 0xE0, 0x32, + 0x45, 0xB0, 0xF8, 0xAB, 0xD5, 0x26, 0x21, 0xD7, 0xD2, 0x98, 0x54, 0x8F, 0x64, 0x88, 0x20, 0x2B, + 0x14, 0xE3, 0x82, 0xD5, 0x2A, 0x4B, 0x8F, 0x4E, 0x35, 0x20, 0x82, 0x7E, 0x1B, 0xFE, 0xFA, 0x2C, + 0x79, 0x6C, 0x6E, 0x66, 0x94, 0xBB, 0x0A, 0xEB, 0xBA, 0xD9, 0x70, 0x61, 0xE9, 0x47, 0xB5, 0x82, + 0xFC, 0x18, 0x3C, 0x66, 0x3A, 0x09, 0x2E, 0x1F, 0x61, 0x74, 0xCA, 0xCB, 0xF6, 0x7A, 0x52, 0x37, + 0x1D, 0xAC, 0x8D, 0x63, 0x69, 0x84, 0x8E, 0xC7, 0x70, 0x59, 0xDD, 0x2D, 0x91, 0x1E, 0xF7, 0xB1, + 0x56, 0xED, 0x7A, 0x06, 0x9D, 0x5B, 0x33, 0x15, 0xDD, 0x31, 0xD0, 0xE6, 0x16, 0x07, 0x9B, 0xA5, + 0x94, 0x06, 0x7D, 0xC1, 0xE9, 0xD6, 0xC8, 0xAF, 0xB4, 0x1E, 0x2D, 0x88, 0x06, 0xA7, 0x63, 0xB8, + 0xCF, 0xC8, 0xA2, 0x6E, 0x84, 0xB3, 0x8D, 0xE5, 0x47, 0xE6, 0x13, 0x63, 0x8E, 0xD1, 0x7F, 0xD4, + 0x81, 0x44, 0x38, 0xBF + }; + + public static readonly byte[] TEST = { + 0x07, 0x02, 0x00, 0x00, 0x00, 0xA4, 0x00, 0x00, 0x52, 0x53, 0x41, 0x32, 0x00, 0x04, 0x00, 0x00, + 0x01, 0x00, 0x01, 0x00, 0x0F, 0xBE, 0x77, 0xB8, 0xDD, 0x54, 0x36, 0xDD, 0x67, 0xD4, 0x17, 0x66, + 0xC4, 0x13, 0xD1, 0x3F, 0x1E, 0x16, 0x0C, 0x16, 0x35, 0xAB, 0x6D, 0x3D, 0x34, 0x51, 0xED, 0x3F, + 0x57, 0x14, 0xB6, 0xB7, 0x08, 0xE9, 0xD9, 0x7A, 0x80, 0xB3, 0x5F, 0x9B, 0x3A, 0xFD, 0x9E, 0x37, + 0x3A, 0x53, 0x72, 0x67, 0x92, 0x60, 0xC3, 0xEF, 0xB5, 0x8E, 0x1E, 0xCF, 0x9D, 0x9C, 0xD3, 0x90, + 0xE5, 0xDD, 0xF4, 0xDB, 0xF3, 0xD6, 0x65, 0xB3, 0xC1, 0xBD, 0x69, 0xE1, 0x76, 0x95, 0xD9, 0x37, + 0xB8, 0x5E, 0xCA, 0x3D, 0x98, 0xFC, 0x50, 0x5C, 0x98, 0xAE, 0xE3, 0x7C, 0x4C, 0x27, 0xC3, 0xD0, + 0xCE, 0x78, 0x06, 0x51, 0x68, 0x23, 0xE6, 0x70, 0xF8, 0x7C, 0xAE, 0x36, 0xBE, 0x41, 0x57, 0xE2, + 0xC3, 0x2D, 0xAF, 0x21, 0xB1, 0xB3, 0x15, 0x81, 0x19, 0x26, 0x6B, 0x10, 0xB3, 0xE9, 0xD1, 0x45, + 0x21, 0x77, 0x9C, 0xF6, 0xE1, 0xDD, 0xB6, 0x78, 0x9D, 0x1D, 0x32, 0x61, 0xBC, 0x2B, 0xDB, 0x86, + 0xFB, 0x07, 0x24, 0x10, 0x19, 0x4F, 0x09, 0x6D, 0x03, 0x90, 0xD4, 0x5E, 0x30, 0x85, 0xC5, 0x58, + 0x7E, 0x5D, 0xAE, 0x9F, 0x64, 0x93, 0x04, 0x82, 0x09, 0x0E, 0x1C, 0x66, 0xA8, 0x95, 0x91, 0x51, + 0xB2, 0xED, 0x9A, 0x75, 0x04, 0x87, 0x50, 0xAC, 0xCC, 0x20, 0x06, 0x45, 0xB9, 0x7B, 0x42, 0x53, + 0x9A, 0xD1, 0x29, 0xFC, 0xEF, 0xB9, 0x47, 0x16, 0x75, 0x69, 0x05, 0x87, 0x2B, 0xCB, 0x54, 0x9C, + 0x21, 0x2D, 0x50, 0x8E, 0x12, 0xDE, 0xD3, 0x6B, 0xEC, 0x92, 0xA1, 0xB1, 0xE9, 0x4B, 0xBF, 0x6B, + 0x9A, 0x38, 0xC7, 0x13, 0xFA, 0x78, 0xA1, 0x3C, 0x1E, 0xBB, 0x38, 0x31, 0xBB, 0x0C, 0x9F, 0x70, + 0x1A, 0x31, 0x00, 0xD7, 0x5A, 0xA5, 0x84, 0x24, 0x89, 0x80, 0xF5, 0x88, 0xC2, 0x31, 0x18, 0xDC, + 0x53, 0x05, 0x5D, 0xFA, 0x81, 0xDC, 0xE1, 0xCE, 0xA4, 0xAA, 0xBA, 0x07, 0xDA, 0x28, 0x4F, 0x64, + 0x0E, 0x84, 0x9B, 0x06, 0xDE, 0xC8, 0x78, 0x66, 0x2F, 0x17, 0x25, 0xA8, 0x9C, 0x99, 0xFC, 0xBC, + 0x7D, 0x01, 0x42, 0xD7, 0x35, 0xBF, 0x19, 0xF6, 0x3F, 0x20, 0xD9, 0x98, 0x9B, 0x5D, 0xDD, 0x39, + 0xBE, 0x81, 0x00, 0x0B, 0xDE, 0x6F, 0x14, 0xCA, 0x7E, 0xF8, 0xC0, 0x26, 0xA8, 0x1D, 0xD1, 0x16, + 0x88, 0x64, 0x87, 0x36, 0x45, 0x37, 0x50, 0xDA, 0x6C, 0xEB, 0x85, 0xB5, 0x43, 0x29, 0x88, 0x6F, + 0x2F, 0xFE, 0x8D, 0x12, 0x8B, 0x72, 0xB7, 0x5A, 0xCB, 0x66, 0xC2, 0x2E, 0x1D, 0x7D, 0x42, 0xA6, + 0xF4, 0xFE, 0x26, 0x5D, 0x54, 0x9E, 0x77, 0x1D, 0x97, 0xC2, 0xF3, 0xFD, 0x60, 0xB3, 0x22, 0x88, + 0xCA, 0x27, 0x99, 0xDF, 0xC8, 0xB1, 0xD7, 0xC6, 0x54, 0xA6, 0x50, 0xB9, 0x54, 0xF5, 0xDE, 0xFE, + 0xE1, 0x81, 0xA2, 0xBE, 0x81, 0x9F, 0x48, 0xFF, 0x2F, 0xB8, 0xA4, 0xB3, 0x17, 0xD8, 0xC1, 0xB9, + 0x5D, 0x21, 0x3D, 0xA2, 0xED, 0x1C, 0x96, 0x66, 0xEE, 0x1F, 0x47, 0xCF, 0x62, 0xFA, 0xD6, 0xC1, + 0x87, 0x5B, 0xC4, 0xE5, 0xD9, 0x08, 0x38, 0x22, 0xFA, 0x21, 0xBD, 0xF2, 0x88, 0xDA, 0xE2, 0x24, + 0x25, 0x1F, 0xF1, 0x0B, 0x2D, 0xAE, 0x04, 0xBE, 0xA6, 0x7F, 0x75, 0x8C, 0xD9, 0x97, 0xE1, 0xCA, + 0x35, 0xB9, 0xFC, 0x6F, 0x01, 0x68, 0x11, 0xD3, 0x68, 0x32, 0xD0, 0xC1, 0x69, 0xA3, 0xCF, 0x9B, + 0x10, 0xE4, 0x69, 0xA7, 0xCF, 0xE1, 0xFE, 0x2A, 0x07, 0x9E, 0xC1, 0x37, 0x84, 0x68, 0xE5, 0xC5, + 0xAB, 0x25, 0xEC, 0x7D, 0x7D, 0x74, 0x6A, 0xD1, 0xD5, 0x4D, 0xD7, 0xE1, 0x7D, 0xDE, 0x30, 0x4B, + 0xE6, 0x5D, 0xCD, 0x91, 0x59, 0xF6, 0x80, 0xFD, 0xC6, 0x3C, 0xDD, 0x94, 0x7F, 0x15, 0x9D, 0xEF, + 0x2F, 0x00, 0x62, 0xD7, 0xDA, 0xB9, 0xB3, 0xD9, 0x8D, 0xE8, 0xD7, 0x3C, 0x96, 0x45, 0x5D, 0x1E, + 0x50, 0xFB, 0xAA, 0x43, 0xD3, 0x47, 0x77, 0x81, 0xE9, 0x67, 0xE4, 0xFE, 0xDF, 0x42, 0x79, 0xCB, + 0xA7, 0xAD, 0x5D, 0x48, 0xF5, 0xB7, 0x74, 0x96, 0x12, 0x23, 0x06, 0x70, 0x42, 0x68, 0x7A, 0x44, + 0xFC, 0xA0, 0x31, 0x7F, 0x68, 0xCA, 0xA2, 0x14, 0x5D, 0xA3, 0xCF, 0x42, 0x23, 0xAB, 0x47, 0xF6, + 0xB2, 0xFC, 0x6D, 0xF1 + }; + } +} diff --git a/LibTSforge/Crypto/PhysStoreCrypto.cs b/LibTSforge/Crypto/PhysStoreCrypto.cs new file mode 100644 index 0000000..6d77897 --- /dev/null +++ b/LibTSforge/Crypto/PhysStoreCrypto.cs @@ -0,0 +1,71 @@ +namespace LibTSforge.Crypto +{ + using System; + using System.Collections.Generic; + using System.IO; + using System.Linq; + using System.Text; + + public static class PhysStoreCrypto + { + public static byte[] DecryptPhysicalStore(byte[] data, bool production) + { + byte[] rsaKey = production ? Keys.PRODUCTION : Keys.TEST; + BinaryReader br = new BinaryReader(new MemoryStream(data)); + br.BaseStream.Seek(0x10, SeekOrigin.Begin); + byte[] aesKeySig = br.ReadBytes(0x80); + byte[] encAesKey = br.ReadBytes(0x80); + + if (CryptoUtils.RSAVerifySignature(rsaKey, encAesKey, aesKeySig)) + { + byte[] aesKey = CryptoUtils.RSADecrypt(rsaKey, encAesKey); + byte[] decData = CryptoUtils.AESDecrypt(br.ReadBytes((int)br.BaseStream.Length - 0x110), aesKey); + byte[] hmacKey = decData.Take(0x10).ToArray(); + byte[] hmacSig = decData.Skip(0x10).Take(0x14).ToArray(); + byte[] psData = decData.Skip(0x28).ToArray(); + + if (!CryptoUtils.HMACVerify(hmacKey, psData, hmacSig)) + { + Logger.WriteLine("Warning: Failed to verify HMAC. Physical store is either corrupt or in Vista format."); + } + + return psData; + } + + throw new Exception("Failed to decrypt physical store."); + } + + public static byte[] EncryptPhysicalStore(byte[] data, bool production, PSVersion version) + { + Dictionary<PSVersion, int> versionTable = new Dictionary<PSVersion, int> + { + {PSVersion.Win7, 5}, + {PSVersion.Win8, 1}, + {PSVersion.WinBlue, 2}, + {PSVersion.WinModern, 3} + }; + + byte[] rsaKey = production ? Keys.PRODUCTION : Keys.TEST; + + byte[] aesKey = Encoding.UTF8.GetBytes("massgrave.dev :3"); + byte[] hmacKey = CryptoUtils.GenerateRandomKey(0x10); + + byte[] encAesKey = CryptoUtils.RSAEncrypt(rsaKey, aesKey); + byte[] aesKeySig = CryptoUtils.RSASign(rsaKey, encAesKey); + byte[] hmacSig = CryptoUtils.HMACSign(hmacKey, data); + + byte[] decData = new byte[] { }; + decData = decData.Concat(hmacKey).Concat(hmacSig).Concat(BitConverter.GetBytes(0)).Concat(data).ToArray(); + byte[] encData = CryptoUtils.AESEncrypt(decData, aesKey); + + BinaryWriter bw = new BinaryWriter(new MemoryStream()); + bw.Write(versionTable[version]); + bw.Write(Encoding.UTF8.GetBytes("UNTRUSTSTORE")); + bw.Write(aesKeySig); + bw.Write(encAesKey); + bw.Write(encData); + + return bw.GetBytes(); + } + } +} |