aboutsummaryrefslogtreecommitdiffstats
path: root/ffi/cs
diff options
context:
space:
mode:
Diffstat (limited to 'ffi/cs')
-rw-r--r--ffi/cs/bls.cs305
-rw-r--r--ffi/cs/bls.csproj96
-rw-r--r--ffi/cs/bls.sln25
-rw-r--r--ffi/cs/bls_test.cs137
-rw-r--r--ffi/cs/readme.md31
5 files changed, 594 insertions, 0 deletions
diff --git a/ffi/cs/bls.cs b/ffi/cs/bls.cs
new file mode 100644
index 0000000..417550a
--- /dev/null
+++ b/ffi/cs/bls.cs
@@ -0,0 +1,305 @@
+using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace mcl {
+ class BLS {
+ public const int BN254 = 0;
+ public const int BLS12_381 = 5;
+
+ const int IoEcComp = 512; // fixed byte representation
+ public const int FR_UNIT_SIZE = 4;
+ public const int FP_UNIT_SIZE = 6; // 4 if bls256.dll is used
+ public const int COMPILED_TIME_VAR = FR_UNIT_SIZE * 10 + FP_UNIT_SIZE;
+
+ public const int ID_UNIT_SIZE = FR_UNIT_SIZE;
+ public const int SECRETKEY_UNIT_SIZE = FR_UNIT_SIZE;
+ public const int PUBLICKEY_UNIT_SIZE = FP_UNIT_SIZE * 3 * 2;
+ public const int SIGNATURE_UNIT_SIZE = FP_UNIT_SIZE * 3;
+
+ public const string dllName = FP_UNIT_SIZE == 4 ? "bls256.dll" : "bls384_256.dll";
+ [DllImport(dllName)]
+ public static extern int blsInit(int curveType, int compiledTimeVar);
+
+ [DllImport(dllName)] public static extern void blsIdSetInt(ref Id id, int x);
+ [DllImport(dllName)] public static extern int blsIdSetDecStr(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern int blsIdSetHexStr(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern ulong blsIdGetDecStr([Out]StringBuilder buf, ulong maxBufSize, in Id id);
+ [DllImport(dllName)] public static extern ulong blsIdGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in Id id);
+
+ [DllImport(dllName)] public static extern ulong blsIdSerialize([Out]StringBuilder buf, ulong maxBufSize, in Id id);
+ [DllImport(dllName)] public static extern ulong blsSecretKeySerialize([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec);
+ [DllImport(dllName)] public static extern ulong blsPublicKeySerialize([Out]StringBuilder buf, ulong maxBufSize, in PublicKey pub);
+ [DllImport(dllName)] public static extern ulong blsSignatureSerialize([Out]StringBuilder buf, ulong maxBufSize, in Signature sig);
+ [DllImport(dllName)] public static extern int blsIdDeserialize(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern int blsSecretKeyDeserialize(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern int blsPublicKeyDeserialize(ref PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern int blsSignatureDeserialize(ref Signature sig, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+
+ [DllImport(dllName)] public static extern int blsIdIsEqual(in Id lhs, in Id rhs);
+ [DllImport(dllName)] public static extern int blsSecretKeyIsEqual(in SecretKey lhs, in SecretKey rhs);
+ [DllImport(dllName)] public static extern int blsPublicKeyIsEqual(in PublicKey lhs, in PublicKey rhs);
+ [DllImport(dllName)] public static extern int blsSignatureIsEqual(in Signature lhs, in Signature rhs);
+ // add
+ [DllImport(dllName)] public static extern void blsSecretKeyAdd(ref SecretKey sec, in SecretKey rhs);
+ [DllImport(dllName)] public static extern void blsPublicKeyAdd(ref PublicKey pub, in PublicKey rhs);
+ [DllImport(dllName)] public static extern void blsSignatureAdd(ref Signature sig, in Signature rhs);
+ // hash buf and set
+ [DllImport(dllName)] public static extern int blsHashToSecretKey(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ /*
+ set secretKey if system has /dev/urandom or CryptGenRandom
+ return 0 if success else -1
+ */
+ [DllImport(dllName)] public static extern int blsSecretKeySetByCSPRNG(ref SecretKey sec);
+
+ [DllImport(dllName)] public static extern void blsGetPublicKey(ref PublicKey pub, in SecretKey sec);
+ [DllImport(dllName)] public static extern void blsGetPop(ref Signature sig, in SecretKey sec);
+
+ // return 0 if success
+ [DllImport(dllName)] public static extern int blsSecretKeyShare(ref SecretKey sec, in SecretKey msk, ulong k, in Id id);
+ [DllImport(dllName)] public static extern int blsPublicKeyShare(ref PublicKey pub, in PublicKey mpk, ulong k, in Id id);
+
+
+ [DllImport(dllName)] public static extern int blsSecretKeyRecover(ref SecretKey sec, in SecretKey secVec, in Id idVec, ulong n);
+ [DllImport(dllName)] public static extern int blsPublicKeyRecover(ref PublicKey pub, in PublicKey pubVec, in Id idVec, ulong n);
+ [DllImport(dllName)] public static extern int blsSignatureRecover(ref Signature sig, in Signature sigVec, in Id idVec, ulong n);
+
+ [DllImport(dllName)] public static extern void blsSign(ref Signature sig, in SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string m, ulong size);
+
+ // return 1 if valid
+ [DllImport(dllName)] public static extern int blsVerify(in Signature sig, in PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string m, ulong size);
+ [DllImport(dllName)] public static extern int blsVerifyPop(in Signature sig, in PublicKey pub);
+
+ //////////////////////////////////////////////////////////////////////////
+ // the following apis will be removed
+
+ // mask buf with (1 << (bitLen(r) - 1)) - 1 if buf >= r
+ [DllImport(dllName)] public static extern int blsIdSetLittleEndian(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ /*
+ return written byte size if success else 0
+ */
+ [DllImport(dllName)] public static extern ulong blsIdGetLittleEndian([Out]StringBuilder buf, ulong maxBufSize, in Id id);
+
+ // return 0 if success
+ // mask buf with (1 << (bitLen(r) - 1)) - 1 if buf >= r
+ [DllImport(dllName)] public static extern int blsSecretKeySetLittleEndian(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern int blsSecretKeySetDecStr(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern int blsSecretKeySetHexStr(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ /*
+ return written byte size if success else 0
+ */
+ [DllImport(dllName)] public static extern ulong blsSecretKeyGetLittleEndian([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec);
+ /*
+ return strlen(buf) if success else 0
+ buf is '\0' terminated
+ */
+ [DllImport(dllName)] public static extern ulong blsSecretKeyGetDecStr([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec);
+ [DllImport(dllName)] public static extern ulong blsSecretKeyGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec);
+ [DllImport(dllName)] public static extern int blsPublicKeySetHexStr(ref PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern ulong blsPublicKeyGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in PublicKey pub);
+ [DllImport(dllName)] public static extern int blsSignatureSetHexStr(ref Signature sig, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize);
+ [DllImport(dllName)] public static extern ulong blsSignatureGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in Signature sig);
+
+ public static void Init(int curveType = BN254)
+ {
+ if (!System.Environment.Is64BitProcess) {
+ throw new PlatformNotSupportedException("not 64-bit system");
+ }
+ int err = blsInit(curveType, COMPILED_TIME_VAR);
+ if (err != 0) {
+ throw new ArgumentException("blsInit");
+ }
+ }
+ [StructLayout(LayoutKind.Sequential)]
+ public unsafe struct Id {
+ private fixed ulong v[ID_UNIT_SIZE];
+ public bool IsEqual(in Id rhs)
+ {
+ return blsIdIsEqual(this, rhs) != 0;
+ }
+ public void SetDecStr(in String s)
+ {
+ if (blsIdSetDecStr(ref this, s, (ulong)s.Length) != 0) {
+ throw new ArgumentException("blsIdSetDecSt:" + s);
+ }
+ }
+ public void SetHexStr(in String s)
+ {
+ if (blsIdSetHexStr(ref this, s, (ulong)s.Length) != 0) {
+ throw new ArgumentException("blsIdSetHexStr:" + s);
+ }
+ }
+ public void SetInt(int x)
+ {
+ blsIdSetInt(ref this, x);
+ }
+ public string GetDecStr()
+ {
+ StringBuilder sb = new StringBuilder(1024);
+ ulong size = blsIdGetDecStr(sb, (ulong)sb.Capacity, this);
+ if (size == 0) {
+ throw new ArgumentException("blsIdGetDecStr");
+ }
+ return sb.ToString(0, (int)size);
+ }
+ public string GetHexStr()
+ {
+ StringBuilder sb = new StringBuilder(1024);
+ ulong size = blsIdGetHexStr(sb, (ulong)sb.Capacity, this);
+ if (size == 0) {
+ throw new ArgumentException("blsIdGetHexStr");
+ }
+ return sb.ToString(0, (int)size);
+ }
+ }
+ [StructLayout(LayoutKind.Sequential)]
+ public unsafe struct SecretKey {
+ private fixed ulong v[SECRETKEY_UNIT_SIZE];
+ public bool IsEqual(in SecretKey rhs)
+ {
+ return blsSecretKeyIsEqual(this, rhs) != 0;
+ }
+ public void SetHexStr(in String s)
+ {
+ if (blsSecretKeySetHexStr(ref this, s, (ulong)s.Length) != 0) {
+ throw new ArgumentException("blsSecretKeySetHexStr:" + s);
+ }
+ }
+ public string GetHexStr()
+ {
+ StringBuilder sb = new StringBuilder(1024);
+ ulong size = blsSecretKeyGetHexStr(sb, (ulong)sb.Capacity, this);
+ if (size == 0) {
+ throw new ArgumentException("mclBnFr_getStr");
+ }
+ return sb.ToString(0, (int)size);
+ }
+ public void Add(in SecretKey rhs)
+ {
+ blsSecretKeyAdd(ref this, rhs);
+ }
+ public void SetByCSPRNG()
+ {
+ blsSecretKeySetByCSPRNG(ref this);
+ }
+ public void SetHashOf(in string s)
+ {
+ if (blsHashToSecretKey(ref this, s, (ulong)s.Length) != 0) {
+ throw new ArgumentException("blsHashToSecretKey");
+ }
+ }
+ public PublicKey GetPublicKey()
+ {
+ PublicKey pub = new PublicKey();
+ blsGetPublicKey(ref pub, this);
+ return pub;
+ }
+ public Signature Signature(String m)
+ {
+ Signature Signature = new Signature();
+ blsSign(ref Signature, this, m, (ulong)m.Length);
+ return Signature;
+ }
+ }
+ // secretKey = sum_{i=0}^{msk.Length - 1} msk[i] * id^i
+ public static SecretKey ShareSecretKey(in SecretKey[] msk, in Id id)
+ {
+ SecretKey sec = new SecretKey();
+ if (blsSecretKeyShare(ref sec, msk[0], (ulong)msk.Length, id) != 0) {
+ throw new ArgumentException("GetSecretKeyForId:" + id.ToString());
+ }
+ return sec;
+ }
+ public static SecretKey RecoverSecretKey(in SecretKey[] secs, in Id[] ids)
+ {
+ SecretKey sec = new SecretKey();
+ if (blsSecretKeyRecover(ref sec, secs[0], ids[0], (ulong)secs.Length) != 0) {
+ throw new ArgumentException("Recover");
+ }
+ return sec;
+ }
+ [StructLayout(LayoutKind.Sequential)]
+ public unsafe struct PublicKey {
+ private fixed ulong v[PUBLICKEY_UNIT_SIZE];
+ public bool IsEqual(in PublicKey rhs)
+ {
+ return blsPublicKeyIsEqual(this, rhs) != 0;
+ }
+ public void SetStr(in String s)
+ {
+ if (blsPublicKeySetHexStr(ref this, s, (ulong)s.Length) != 0) {
+ throw new ArgumentException("blsPublicKeySetStr:" + s);
+ }
+ }
+ public string GetHexStr()
+ {
+ StringBuilder sb = new StringBuilder(1024);
+ ulong size = blsPublicKeyGetHexStr(sb, (ulong)sb.Capacity, this);
+ if (size == 0) {
+ throw new ArgumentException("blsPublicKeyGetStr");
+ }
+ return sb.ToString(0, (int)size);
+ }
+ public void Add(in PublicKey rhs)
+ {
+ blsPublicKeyAdd(ref this, rhs);
+ }
+ public bool Verify(in Signature sig, in string m)
+ {
+ return blsVerify(sig, this, m, (ulong)m.Length) == 1;
+ }
+ }
+ // publicKey = sum_{i=0}^{mpk.Length - 1} mpk[i] * id^i
+ public static PublicKey SharePublicKey(in PublicKey[] mpk, in Id id)
+ {
+ PublicKey pub = new PublicKey();
+ if (blsPublicKeyShare(ref pub, mpk[0], (ulong)mpk.Length, id) != 0) {
+ throw new ArgumentException("GetPublicKeyForId:" + id.ToString());
+ }
+ return pub;
+ }
+ public static PublicKey RecoverPublicKey(in PublicKey[] pubs, in Id[] ids)
+ {
+ PublicKey pub = new PublicKey();
+ if (blsPublicKeyRecover(ref pub, pubs[0], ids[0], (ulong)pubs.Length) != 0) {
+ throw new ArgumentException("Recover");
+ }
+ return pub;
+ }
+ [StructLayout(LayoutKind.Sequential)]
+ public unsafe struct Signature {
+ private fixed ulong v[SIGNATURE_UNIT_SIZE];
+ public bool IsEqual(in Signature rhs)
+ {
+ return blsSignatureIsEqual(this, rhs) != 0;
+ }
+ public void SetStr(in String s)
+ {
+ if (blsSignatureSetHexStr(ref this, s, (ulong)s.Length) != 0) {
+ throw new ArgumentException("blsSignatureSetStr:" + s);
+ }
+ }
+ public string GetHexStr()
+ {
+ StringBuilder sb = new StringBuilder(1024);
+ ulong size = blsSignatureGetHexStr(sb, (ulong)sb.Capacity, this);
+ if (size == 0) {
+ throw new ArgumentException("blsSignatureGetStr");
+ }
+ return sb.ToString(0, (int)size);
+ }
+ public void Add(in Signature rhs)
+ {
+ blsSignatureAdd(ref this, rhs);
+ }
+ }
+ public static Signature RecoverSign(in Signature[] signs, in Id[] ids)
+ {
+ Signature Signature = new Signature();
+ if (blsSignatureRecover(ref Signature, signs[0], ids[0], (ulong)signs.Length) != 0) {
+ throw new ArgumentException("Recover");
+ }
+ return Signature;
+ }
+ }
+}
diff --git a/ffi/cs/bls.csproj b/ffi/cs/bls.csproj
new file mode 100644
index 0000000..f2cbee1
--- /dev/null
+++ b/ffi/cs/bls.csproj
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+ <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+ <PropertyGroup>
+ <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+ <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+ <ProjectGuid>{E9D06B1B-EA22-4EF4-BA4B-422F7625966D}</ProjectGuid>
+ <OutputType>Exe</OutputType>
+ <AppDesignerFolder>Properties</AppDesignerFolder>
+ <RootNamespace>bls</RootNamespace>
+ <AssemblyName>bls</AssemblyName>
+ <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+ <FileAlignment>512</FileAlignment>
+ <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+ <PublishUrl>publish\</PublishUrl>
+ <Install>true</Install>
+ <InstallFrom>Disk</InstallFrom>
+ <UpdateEnabled>false</UpdateEnabled>
+ <UpdateMode>Foreground</UpdateMode>
+ <UpdateInterval>7</UpdateInterval>
+ <UpdateIntervalUnits>Days</UpdateIntervalUnits>
+ <UpdatePeriodically>false</UpdatePeriodically>
+ <UpdateRequired>false</UpdateRequired>
+ <MapFileExtensions>true</MapFileExtensions>
+ <ApplicationRevision>0</ApplicationRevision>
+ <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+ <IsWebBootstrapper>false</IsWebBootstrapper>
+ <UseApplicationTrust>false</UseApplicationTrust>
+ <BootstrapperEnabled>true</BootstrapperEnabled>
+ <TargetFrameworkProfile />
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+ <DebugSymbols>true</DebugSymbols>
+ <OutputPath>..\..\bin\</OutputPath>
+ <DefineConstants>DEBUG;TRACE</DefineConstants>
+ <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+ <DebugType>full</DebugType>
+ <PlatformTarget>x64</PlatformTarget>
+ <ErrorReport>prompt</ErrorReport>
+ <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+ <LangVersion>7.2</LangVersion>
+ </PropertyGroup>
+ <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+ <OutputPath>..\..\bin\</OutputPath>
+ <DefineConstants>TRACE</DefineConstants>
+ <Optimize>true</Optimize>
+ <DebugType>pdbonly</DebugType>
+ <PlatformTarget>x64</PlatformTarget>
+ <ErrorReport>prompt</ErrorReport>
+ <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+ <Prefer32Bit>false</Prefer32Bit>
+ <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+ <LangVersion>7.2</LangVersion>
+ </PropertyGroup>
+ <PropertyGroup>
+ <NoWin32Manifest>true</NoWin32Manifest>
+ </PropertyGroup>
+ <ItemGroup>
+ <Reference Include="System" />
+ <Reference Include="System.Core" />
+ <Reference Include="System.Xml.Linq" />
+ <Reference Include="System.Data.DataSetExtensions" />
+ <Reference Include="Microsoft.CSharp" />
+ <Reference Include="System.Data" />
+ <Reference Include="System.Net.Http" />
+ <Reference Include="System.Xml" />
+ </ItemGroup>
+ <ItemGroup>
+ <Compile Include="bls.cs" />
+ <Compile Include="bls_test.cs" />
+ <Compile Include="Properties\AssemblyInfo.cs" />
+ </ItemGroup>
+ <ItemGroup>
+ <None Include="App.config" />
+ </ItemGroup>
+ <ItemGroup>
+ <BootstrapperPackage Include=".NETFramework,Version=v4.5.2">
+ <Visible>False</Visible>
+ <ProductName>Microsoft .NET Framework 4.5.2 %28x86 および x64%29</ProductName>
+ <Install>true</Install>
+ </BootstrapperPackage>
+ <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
+ <Visible>False</Visible>
+ <ProductName>.NET Framework 3.5 SP1</ProductName>
+ <Install>false</Install>
+ </BootstrapperPackage>
+ </ItemGroup>
+ <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+ <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
+ Other similar extension points exist, see Microsoft.Common.targets.
+ <Target Name="BeforeBuild">
+ </Target>
+ <Target Name="AfterBuild">
+ </Target>
+ -->
+</Project> \ No newline at end of file
diff --git a/ffi/cs/bls.sln b/ffi/cs/bls.sln
new file mode 100644
index 0000000..786a341
--- /dev/null
+++ b/ffi/cs/bls.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.539
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "bls", "bls.csproj", "{E9D06B1B-EA22-4EF4-BA4B-422F7625966D}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|x64 = Debug|x64
+ Release|x64 = Release|x64
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {E9D06B1B-EA22-4EF4-BA4B-422F7625966D}.Debug|x64.ActiveCfg = Debug|x64
+ {E9D06B1B-EA22-4EF4-BA4B-422F7625966D}.Debug|x64.Build.0 = Debug|x64
+ {E9D06B1B-EA22-4EF4-BA4B-422F7625966D}.Release|x64.ActiveCfg = Release|x64
+ {E9D06B1B-EA22-4EF4-BA4B-422F7625966D}.Release|x64.Build.0 = Release|x64
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {1935C301-6478-4F82-9587-6A66B531E327}
+ EndGlobalSection
+EndGlobal
diff --git a/ffi/cs/bls_test.cs b/ffi/cs/bls_test.cs
new file mode 100644
index 0000000..f443c7e
--- /dev/null
+++ b/ffi/cs/bls_test.cs
@@ -0,0 +1,137 @@
+using System;
+
+namespace mcl {
+ using static BLS;
+ class BLSTest {
+ static int err = 0;
+ static void assert(string msg, bool b)
+ {
+ if (b) return;
+ Console.WriteLine("ERR {0}", msg);
+ err++;
+ }
+ static void TestId()
+ {
+ Console.WriteLine("TestId");
+ Id id1 = new Id();
+ id1.SetDecStr("255");
+ assert("GetStr(10)", id1.GetDecStr() == "255");
+ assert("GetStr(16)", id1.GetHexStr() == "ff");
+ Id id2 = new Id();
+ id2.SetInt(255);
+ assert("IsEqual", id1.IsEqual(id2));
+ }
+ static void TestSecretKey()
+ {
+ Console.WriteLine("TestSecretKey");
+ SecretKey sec = new SecretKey();
+ sec.SetHexStr("ff");
+ assert("GetHexStr()", sec.GetHexStr() == "ff");
+ {
+ SecretKey sec2 = new SecretKey();
+ sec.SetHexStr("321");
+ sec2.SetHexStr("4000");
+ sec.Add(sec2);
+ assert("sec.Add", sec.GetHexStr() == "4321");
+ sec.SetByCSPRNG();
+ Console.WriteLine("sec.Init={0}", sec.GetHexStr());
+ }
+ }
+ static void TestPublicKey()
+ {
+ Console.WriteLine("TestPublicKey");
+ SecretKey sec = new SecretKey();
+ sec.SetByCSPRNG();
+ PublicKey pub = sec.GetPublicKey();
+ String s = pub.GetHexStr();
+ Console.WriteLine("pub={0}", s);
+ PublicKey pub2 = new PublicKey();
+ pub2.SetStr(s);
+ assert("pub.SetStr", pub.IsEqual(pub2));
+ }
+ static void TestSign()
+ {
+ Console.WriteLine("TestSign");
+ SecretKey sec = new SecretKey();
+ sec.SetByCSPRNG();
+ PublicKey pub = sec.GetPublicKey();
+ String m = "abc";
+ Signature sig = sec.Signature(m);
+ Console.WriteLine("sig={0}", sig.GetHexStr());
+ assert("verify", pub.Verify(sig, m));
+ assert("not verify", !pub.Verify(sig, m + "a"));
+ }
+ static void TestSharing()
+ {
+ Console.WriteLine("TestSharing");
+ int k = 5;
+ SecretKey[] msk = new SecretKey[k];
+ PublicKey[] mpk = new PublicKey[k];
+ // make master secretkey
+ for (int i = 0; i < k; i++) {
+ msk[i].SetByCSPRNG();
+ mpk[i] = msk[i].GetPublicKey();
+ }
+ int n = 30;
+ Id[] ids = new Id[n];
+ SecretKey[] secs = new SecretKey[n];
+ PublicKey[] pubs = new PublicKey[n];
+ for (int i = 0; i < n; i++) {
+ ids[i].SetInt(i * i + 123);
+ secs[i] = ShareSecretKey(msk, ids[i]);
+ pubs[i] = SharePublicKey(mpk, ids[i]);
+ assert("share publicKey", secs[i].GetPublicKey().IsEqual(pubs[i]));
+ }
+ string m = "doremi";
+ for (int i = 0; i < n; i++) {
+ Signature Signature = secs[i].Signature(m);
+ assert("Signature.Verify", pubs[i].Verify(Signature, m));
+ }
+ {
+ int[] idxTbl = { 0, 2, 5, 8, 10 };
+ assert("idxTbl.Length=k", idxTbl.Length == k);
+ Id[] subIds = new Id[k];
+ SecretKey[] subSecs = new SecretKey[k];
+ PublicKey[] subPubs = new PublicKey[k];
+ Signature[] subSigns = new Signature[k];
+ for (int i = 0; i < k; i++) {
+ int idx = idxTbl[i];
+ subIds[i] = ids[idx];
+ subSecs[i] = secs[idx];
+ subPubs[i] = pubs[idx];
+ subSigns[i] = secs[idx].Signature(m);
+ }
+ SecretKey sec = RecoverSecretKey(subSecs, subIds);
+ PublicKey pub = RecoverPublicKey(subPubs, subIds);
+ assert("check pub", pub.IsEqual(sec.GetPublicKey()));
+ Signature Signature = RecoverSign(subSigns, subIds);
+ assert("Signature.verify", pub.Verify(Signature, m));
+ }
+ }
+ static void Main(string[] args)
+ {
+ try {
+ int[] curveTypeTbl = { BN254, BLS12_381 };
+ foreach (int curveType in curveTypeTbl) {
+ Console.WriteLine("curveType={0}", curveType);
+ Init(curveType);
+ TestId();
+ TestSecretKey();
+ TestPublicKey();
+ TestSign();
+ TestSharing();
+ if (err == 0)
+ {
+ Console.WriteLine("all tests succeed");
+ }
+ else
+ {
+ Console.WriteLine("err={0}", err);
+ }
+ }
+ } catch (Exception e) {
+ Console.WriteLine("ERR={0}", e);
+ }
+ }
+ }
+}
diff --git a/ffi/cs/readme.md b/ffi/cs/readme.md
new file mode 100644
index 0000000..70e87c1
--- /dev/null
+++ b/ffi/cs/readme.md
@@ -0,0 +1,31 @@
+# BLS threshold signature for C#
+
+# Installation Requirements
+
+* Visual Studio 2017 or later
+* C# 7.2 or later
+* .NET Framework 4.5.2 or later
+
+# How to build
+
+```
+md work
+cd work
+git clone https://github.com/herumi/cybozulib_ext
+git clone https://github.com/herumi/mcl
+git clone https://github.com/herumi/bls
+cd bls
+mklib dll
+```
+
+# Remark
+bls256 is obsolete. Please use bls.sln.
+
+# License
+
+modified new BSD License
+http://opensource.org/licenses/BSD-3-Clause
+
+# Author
+
+MITSUNARI Shigeo(herumi@nifty.com)