diff --git a/.tmp/ReflectionProbe/Program.cs b/.tmp/ReflectionProbe/Program.cs new file mode 100644 index 0000000..ee43bfb --- /dev/null +++ b/.tmp/ReflectionProbe/Program.cs @@ -0,0 +1,23 @@ +using NBitcoin; + +DumpType("Key", typeof(Key)); +Console.WriteLine("---"); +DumpType("PubKey", typeof(PubKey)); + +static void DumpType(string label, Type type) +{ + Console.WriteLine(label); + foreach (var method in type.GetMethods() + .Where(m => m.Name.Contains("Shared", StringComparison.Ordinal) + || m.Name.Contains("Address", StringComparison.Ordinal) + || m.Name.Contains("Wif", StringComparison.Ordinal) + || m.Name.Contains("Hash", StringComparison.Ordinal) + || m.Name.Contains("Bytes", StringComparison.Ordinal) + || m.Name.Contains("Hex", StringComparison.Ordinal)) + .OrderBy(m => m.Name) + .ThenBy(m => m.ToString(), StringComparer.Ordinal)) + { + Console.WriteLine(method); + } + Console.WriteLine(); +} diff --git a/bsv-blockchain.sln b/bsv-blockchain.sln new file mode 100644 index 0000000..c4b300f --- /dev/null +++ b/bsv-blockchain.sln @@ -0,0 +1,71 @@ +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.5.2.0 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{A83F02BA-518A-4675-956F-B0CC2E3DC541}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bsv.BlockStats", "src\Bsv.BlockStats\Bsv.BlockStats.csproj", "{F40A60EB-646F-4182-ABBF-D0350B89E1D8}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bsv.WifTool", "src\Bsv.WifTool\Bsv.WifTool.csproj", "{527B4760-7362-49A1-96A1-216A1695B49C}" +EndProject +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bsv.MessageTool", "src\Bsv.MessageTool\Bsv.MessageTool.csproj", "{DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}" +EndProject +Global + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {FF435FC6-AECA-4149-AD60-06092EB59AB8} + EndGlobalSection + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Debug|x64 = Debug|x64 + Debug|x86 = Debug|x86 + Release|Any CPU = Release|Any CPU + Release|x64 = Release|x64 + Release|x86 = Release|x86 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Debug|Any CPU.Build.0 = Debug|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Debug|x64.ActiveCfg = Debug|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Debug|x64.Build.0 = Debug|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Debug|x86.ActiveCfg = Debug|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Debug|x86.Build.0 = Debug|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Release|Any CPU.ActiveCfg = Release|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Release|Any CPU.Build.0 = Release|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Release|x64.ActiveCfg = Release|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Release|x64.Build.0 = Release|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Release|x86.ActiveCfg = Release|Any CPU + {F40A60EB-646F-4182-ABBF-D0350B89E1D8}.Release|x86.Build.0 = Release|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Debug|Any CPU.Build.0 = Debug|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Debug|x64.ActiveCfg = Debug|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Debug|x64.Build.0 = Debug|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Debug|x86.ActiveCfg = Debug|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Debug|x86.Build.0 = Debug|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Release|Any CPU.ActiveCfg = Release|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Release|Any CPU.Build.0 = Release|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Release|x64.ActiveCfg = Release|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Release|x64.Build.0 = Release|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Release|x86.ActiveCfg = Release|Any CPU + {527B4760-7362-49A1-96A1-216A1695B49C}.Release|x86.Build.0 = Release|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Debug|Any CPU.Build.0 = Debug|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Debug|x64.ActiveCfg = Debug|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Debug|x64.Build.0 = Debug|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Debug|x86.ActiveCfg = Debug|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Debug|x86.Build.0 = Debug|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Release|Any CPU.ActiveCfg = Release|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Release|Any CPU.Build.0 = Release|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Release|x64.ActiveCfg = Release|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Release|x64.Build.0 = Release|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Release|x86.ActiveCfg = Release|Any CPU + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683}.Release|x86.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(NestedProjects) = preSolution + {F40A60EB-646F-4182-ABBF-D0350B89E1D8} = {A83F02BA-518A-4675-956F-B0CC2E3DC541} + {527B4760-7362-49A1-96A1-216A1695B49C} = {A83F02BA-518A-4675-956F-B0CC2E3DC541} + {DB2B26EB-9FD9-4B48-87CE-9AFEBB2CB683} = {A83F02BA-518A-4675-956F-B0CC2E3DC541} + EndGlobalSection +EndGlobal diff --git a/BSVTest.csproj b/src/Bsv.BlockStats/Bsv.BlockStats.csproj similarity index 100% rename from BSVTest.csproj rename to src/Bsv.BlockStats/Bsv.BlockStats.csproj diff --git a/Program.cs b/src/Bsv.BlockStats/Program.cs similarity index 94% rename from Program.cs rename to src/Bsv.BlockStats/Program.cs index fc8e4dd..23f15fe 100644 --- a/Program.cs +++ b/src/Bsv.BlockStats/Program.cs @@ -1,7 +1,12 @@ using BitcoinBlockchain.Data; using BitcoinBlockchain.Parser; -var blockchainFilePath = @"C:\Users\feie9454\source\repos\BSVTest\BSVTest\blk00000.dat"; +var blockchainFilePath = args.FirstOrDefault(); + +if (string.IsNullOrWhiteSpace(blockchainFilePath)) +{ + blockchainFilePath = Path.Combine(Directory.GetCurrentDirectory(), "blk00000.dat"); +} if (!File.Exists(blockchainFilePath)) { diff --git a/src/Bsv.MessageTool/Bsv.MessageTool.csproj b/src/Bsv.MessageTool/Bsv.MessageTool.csproj new file mode 100644 index 0000000..92ffa2e --- /dev/null +++ b/src/Bsv.MessageTool/Bsv.MessageTool.csproj @@ -0,0 +1,14 @@ + + + + Exe + net8.0 + enable + enable + + + + + + + diff --git a/src/Bsv.MessageTool/Program.cs b/src/Bsv.MessageTool/Program.cs new file mode 100644 index 0000000..d66245c --- /dev/null +++ b/src/Bsv.MessageTool/Program.cs @@ -0,0 +1,157 @@ +using System.Security.Cryptography; +using System.Text.RegularExpressions; +using System.Text; +using NBitcoin; + +const string cipherTextBase64 = "QklFMQMdos3oztNAUqW++4+GjfblOT2MSNZEd18K++IqbAckRCq7/RjlzUJbgonrHbZabwdDSyTkrpUM2X8K0aip90/7K0fNvbILk7kgfiQBxMErAwnJzcJXLtKI/Yb3M4Kpj3BSWLhFpYkpx8lMmBsg8lHHnD+JIkf8johOj60UzL0CxeFS5NvohFRmzdesox2Ge8CoNn8A+szcsrENmxvDWGsQx0C/D1ya6GobKYZpWnG+KA0yui7KpfQCM6jP7JvnaLc="; +const string recipientWif = "cRLzVXAinDb2Fvn3hTn5R3q57wbigm5SvFe4WbiDmzrMqGYwPfD3"; +const string candidateAPublicKey = "029b9415580dc6fb0bc298923470ce2f2289cfefb6a06e14f1620e877c164a65b7"; +const string candidateCPrivateKey = "cUsnFska4Ksz8eqCA31JBVYCPPe453jQ8FXHfACaL23sZcBarXKS"; +const string candidateDPublicKey = "03f25e285ae095e927ef3477c05d67ce8d4d31e3a151459c9a76f124248a3738b5"; + +var recipientSecret = ResolveSecret(recipientWif); +var envelope = Bie1Envelope.Parse(cipherTextBase64); +var plainText = envelope.Decrypt(recipientSecret.PrivateKey); +var sender = InferSender(envelope.SenderPublicKey, plainText, recipientSecret.PrivateKey.PubKey); + +Console.WriteLine($"密文解密后是 {plainText}"); +Console.WriteLine($"内嵌发送方公钥是 {envelope.SenderPublicKey.ToHex()}"); +Console.WriteLine($"这条消息来自 {sender}"); + +static string InferSender(PubKey embeddedSenderPublicKey, string plainText, PubKey recipientPublicKey) +{ + var candidates = new Dictionary(StringComparer.Ordinal) + { + ["A"] = new PubKey(Convert.FromHexString(candidateAPublicKey)), + ["B"] = recipientPublicKey, + ["C"] = ResolveSecret(candidateCPrivateKey).PrivateKey.PubKey, + ["D"] = new PubKey(Convert.FromHexString(candidateDPublicKey)) + }; + + var signedMessage = ParseSignedMessage(plainText); + if (signedMessage is not null) + { + foreach (var candidate in candidates) + { + if (candidate.Value.VerifyMessage(signedMessage.Message, signedMessage.Signature)) + { + return candidate.Key; + } + } + } + + foreach (var candidate in candidates) + { + if (candidate.Value.ToHex().Equals(embeddedSenderPublicKey.ToHex(), StringComparison.OrdinalIgnoreCase)) + { + return candidate.Key; + } + } + + foreach (var candidate in candidates.Keys) + { + if (plainText.Contains($"来自{candidate}", StringComparison.Ordinal) + || plainText.Contains($"我是{candidate}", StringComparison.Ordinal) + || plainText.Contains($"from {candidate}", StringComparison.OrdinalIgnoreCase) + || plainText.Contains($"sender:{candidate}", StringComparison.OrdinalIgnoreCase)) + { + return candidate; + } + } + + return "无法仅凭当前信息自动判定"; +} + +static SignedMessage? ParseSignedMessage(string plainText) +{ + var match = Regex.Match(plainText, "^Msg: \"(?.*)\", signature: \"(?.*)\"$", RegexOptions.CultureInvariant); + if (!match.Success) + { + return null; + } + + return new SignedMessage(match.Groups["message"].Value, match.Groups["signature"].Value); +} + +static BitcoinSecret ResolveSecret(string wif) +{ + foreach (var network in new[] { Network.Main, Network.TestNet }) + { + try + { + return new BitcoinSecret(wif, network); + } + catch (FormatException) + { + } + } + + throw new FormatException($"无法识别 WIF 私钥对应的网络: {wif}"); +} + +sealed class Bie1Envelope +{ + private Bie1Envelope(byte[] rawBytes, PubKey senderPublicKey, byte[] cipherText, byte[] mac) + { + RawBytes = rawBytes; + SenderPublicKey = senderPublicKey; + CipherText = cipherText; + Mac = mac; + } + + public byte[] RawBytes { get; } + + public PubKey SenderPublicKey { get; } + + public byte[] CipherText { get; } + + public byte[] Mac { get; } + + public static Bie1Envelope Parse(string base64) + { + var rawBytes = Convert.FromBase64String(base64); + if (rawBytes.Length <= 69) + { + throw new FormatException("BIE1 密文长度无效。"); + } + + var magic = Encoding.ASCII.GetString(rawBytes, 0, 4); + if (!string.Equals(magic, "BIE1", StringComparison.Ordinal)) + { + throw new FormatException("密文不是 BIE1 格式。"); + } + + var senderPublicKeyBytes = rawBytes[4..37]; + var cipherText = rawBytes[37..^32]; + var mac = rawBytes[^32..]; + + return new Bie1Envelope(rawBytes, new PubKey(senderPublicKeyBytes), cipherText, mac); + } + + public string Decrypt(Key recipientPrivateKey) + { + var sharedPublicKey = SenderPublicKey.GetSharedPubkey(recipientPrivateKey); + var derived = SHA512.HashData(sharedPublicKey.ToBytes()); + var iv = derived[..16]; + var encryptionKey = derived[16..32]; + var macKey = derived[32..64]; + var expectedMac = HMACSHA256.HashData(macKey, RawBytes[..^32]); + + if (!CryptographicOperations.FixedTimeEquals(expectedMac, Mac)) + { + throw new CryptographicException("BIE1 HMAC 校验失败。"); + } + + using var aes = Aes.Create(); + aes.Mode = CipherMode.CBC; + aes.Padding = PaddingMode.PKCS7; + aes.Key = encryptionKey; + aes.IV = iv; + + using var decryptor = aes.CreateDecryptor(); + var plainBytes = decryptor.TransformFinalBlock(CipherText, 0, CipherText.Length); + return Encoding.UTF8.GetString(plainBytes); + } +} + +sealed record SignedMessage(string Message, string Signature); diff --git a/src/Bsv.WifTool/Bsv.WifTool.csproj b/src/Bsv.WifTool/Bsv.WifTool.csproj new file mode 100644 index 0000000..92ffa2e --- /dev/null +++ b/src/Bsv.WifTool/Bsv.WifTool.csproj @@ -0,0 +1,14 @@ + + + + Exe + net8.0 + enable + enable + + + + + + + diff --git a/src/Bsv.WifTool/Program.cs b/src/Bsv.WifTool/Program.cs new file mode 100644 index 0000000..8032bbb --- /dev/null +++ b/src/Bsv.WifTool/Program.cs @@ -0,0 +1,43 @@ +using NBitcoin; + +const string defaultWif = "Kwa6hgpEfzwcsvcTCetNjfkPtcCgVt9suVo4zjtBp7At17GAQZUi"; + +var wif = args.FirstOrDefault() ?? defaultWif; +var report = Create(wif); + +Console.WriteLine($"WIF私钥：{wif}"); +Console.WriteLine($"其网络是 {report.NetworkName}"); +Console.WriteLine($"对应的public key 是 {report.PublicKey}"); +Console.WriteLine($"对应的public key hash 是 {report.PublicKeyHash}"); +Console.WriteLine($"对应的地址是 {report.Address}"); + +static WifDetails Create(string wif) +{ + foreach (var candidate in new[] + { + new NetworkCandidate(Network.Main, "Main"), + new NetworkCandidate(Network.TestNet, "TestNet") + }) + { + try + { + var secret = new BitcoinSecret(wif, candidate.Network); + var pubKey = secret.PrivateKey.PubKey; + + return new WifDetails( + candidate.NetworkName, + pubKey.ToHex(), + pubKey.Hash.ToString(), + pubKey.GetAddress(ScriptPubKeyType.Legacy, candidate.Network).ToString()); + } + catch (FormatException) + { + } + } + + throw new FormatException($"无法识别 WIF 私钥对应的网络: {wif}"); +} + +sealed record NetworkCandidate(Network Network, string NetworkName); + +sealed record WifDetails(string NetworkName, string PublicKey, string PublicKeyHash, string Address);