add C# binding

1 files changed, 129 insertions, 0 deletions

diff --git a/ffi/cs/bls256.cs b/ffi/cs/bls256.cs
new file mode 100644
index 0000000..ccc10e4
--- /dev/null
+++ b/ffi/cs/bls256.cs
@@ -0,0 +1,129 @@
+þ½Ž¿using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+namespace mcl {
+	class BLS256 {
+//		public static int IoBin = 2;
+//		public static int IoDec = 10;
+//		public static int IoHex = 16;
+//		public static int IoEcComp = 512; // fixed byte representation
+		[DllImport("bls256.dll")]
+		public static extern int blsInit(int curve, int maxUnitSize);
+		[DllImport("bls256.dll")]
+		public static extern int blsIdIsSame(ref Id lhs, ref Id rhs);
+
+		[DllImport("bls256.dll")]
+		public static extern int blsIdSetStr(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern ulong blsIdGetStr(ref Id id, [Out]StringBuilder buf, ulong maxBufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern void blsIdSet(ref Id id, ref ulong p);
+		[DllImport("bls256.dll")]
+		public static extern int blsSecretKeyIsSame(ref SecretKey lhs, ref SecretKey rhs);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeyPut(ref SecretKey sec);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeyCopy(ref SecretKey dst, ref SecretKey src);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeySetArray(ref SecretKey sec, ref ulong p);
+		[DllImport("bls256.dll")]
+		public static extern int blsSecretKeySetStr(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern ulong blsSecretKeyGetStr(ref SecretKey sec, [Out]StringBuilder buf, ulong maxBufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeyAdd(ref SecretKey sec, ref SecretKey rhs);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeyInit(ref SecretKey sec);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeyGetPublicKey(ref SecretKey sec, ref PublicKey pub);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeySign(ref SecretKey sec, ref Sign sign, [In][MarshalAs(UnmanagedType.LPStr)] string m, ulong size);
+		[DllImport("bls256.dll")]
+		public static extern int blsSecretKeySet(ref SecretKey sec, ref SecretKey msk, ulong k, ref Id id);
+		[DllImport("bls256.dll")]
+		public static extern int blsSecretKeyRecover(ref SecretKey sec, ref SecretKey secVec, ref Id idVec, ulong n);
+		[DllImport("bls256.dll")]
+		public static extern void blsSecretKeyGetPop(ref SecretKey sec, ref Sign sign);
+		[DllImport("bls256.dll")]
+		public static extern int blsPublicKeyIsSame(ref PublicKey lhs, ref PublicKey rhs);
+		[DllImport("bls256.dll")]
+		public static extern void blsPublicKeyPut(ref PublicKey pub);
+		[DllImport("bls256.dll")]
+		public static extern void blsPublicKeyCopy(ref PublicKey dst, ref PublicKey src);
+		[DllImport("bls256.dll")]
+		public static extern int blsPublicKeySetStr(ref PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern ulong blsPublicKeyGetStr(ref PublicKey pub, [Out]StringBuilder buf, ulong maxBufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern void blsPublicKeyAdd(ref PublicKey pub, ref PublicKey rhs);
+		[DllImport("bls256.dll")]
+		public static extern int blsPublicKeySet(ref PublicKey pub, ref PublicKey mpk, ulong k, ref Id id);
+		[DllImport("bls256.dll")]
+		public static extern int blsPublicKeyRecover(ref PublicKey pub, ref PublicKey pubVec, ref Id idVec, ulong n);
+		[DllImport("bls256.dll")]
+		public static extern int blsSignIsSame(ref Sign lhs, ref Sign rhs);
+		[DllImport("bls256.dll")]
+		public static extern void blsSignPut(ref Sign sign);
+		[DllImport("bls256.dll")]
+		public static extern void blsSignCopy(ref Sign dst, ref Sign src);
+		[DllImport("bls256.dll")]
+		public static extern int blsSignSetStr(ref Sign sign, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern ulong blsSignGetStr(ref Sign sign, [Out]StringBuilder buf, ulong maxBufSize, int ioMode);
+		[DllImport("bls256.dll")]
+		public static extern void blsSignAdd(ref Sign sign, ref Sign rhs);
+		[DllImport("bls256.dll")]
+		public static extern int blsSignRecover(ref Sign sign, ref Sign signVec, ref Id idVec, ulong n);
+		[DllImport("bls256.dll")]
+		public static extern int blsSignVerify(ref Sign sign, ref PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string m, ulong size);
+		[DllImport("bls256.dll")]
+		public static extern int blsSignVerifyPop(ref Sign sign, ref PublicKey pub);
+
+		public static void Init()
+		{
+			const int CurveFp254BNb = 0;
+			const int maxUnitSize = 4;
+			if (!System.Environment.Is64BitProcess) {
+				throw new PlatformNotSupportedException("not 64-bit system");
+			}
+			int err = blsInit(CurveFp254BNb, maxUnitSize);
+			if (err != 0) {
+				throw new InvalidOperationException("blsInit");
+			}
+		}
+
+		public struct Id {
+			private ulong v0, v1, v2, v3;
+			public bool IsSame(Id rhs)
+			{
+				return blsIdIsSame(ref this, ref rhs) != 0;
+			}
+			public void SetStr(String s, int ioMode)
+			{
+				if (blsIdSetStr(ref this, s, (ulong)s.Length, ioMode) != 0) {
+					throw new InvalidOperationException("blsIdSetStr:" + s);
+				}
+			}
+			public string GetStr(int ioMode)
+			{
+				StringBuilder sb = new StringBuilder(1024);
+				ulong size = blsIdGetStr(ref this, sb, (ulong)sb.Capacity + 1, ioMode);
+				if (size == 0) {
+					throw new InvalidOperationException("blsIdGetStr");
+				}
+				return sb.ToString(0, (int)size);
+			}
+		}
+		public struct SecretKey {
+			private ulong v0, v1, v2, v3;
+		}
+		public struct Sign {
+			private ulong v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11;
+		}
+		public struct PublicKey {
+			private ulong v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11;
+			private ulong v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23;
+		}
+	}
+}