feat: new hash256 helper

twsc-james · twsc-james · commit cc1412770e5f · 2024-07-24T15:06:06.000+08:00
diff --git a/EccSDK.sln b/EccSDK.sln
@@ -2,8 +2,6 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EccSDK", "EccSDK\EccSDK.csproj", "{5EAC669B-2882-4A01-BC96-F39E04092834}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EccSdkUnitTests", "EccSdkUnitTests\EccSdkUnitTests.csproj", "{CEF5979A-D5C2-47B4-B9EE-80C1F9AF1838}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -14,9 +12,5 @@ Global
 		{5EAC669B-2882-4A01-BC96-F39E04092834}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5EAC669B-2882-4A01-BC96-F39E04092834}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5EAC669B-2882-4A01-BC96-F39E04092834}.Release|Any CPU.Build.0 = Release|Any CPU
-		{CEF5979A-D5C2-47B4-B9EE-80C1F9AF1838}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{CEF5979A-D5C2-47B4-B9EE-80C1F9AF1838}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{CEF5979A-D5C2-47B4-B9EE-80C1F9AF1838}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{CEF5979A-D5C2-47B4-B9EE-80C1F9AF1838}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal
diff --git a/EccSDK/EccGenerator.cs b/EccSDK/EccGenerator.cs
@@ -22,6 +22,7 @@ public KeyPair GenerateKeyPair(int keySize)
         {
             PublicKey = publicKey.Q, 
             PrivateKey = privateKey.D,
+            BasePoint = publicKey.Parameters.G
         };
     }
 }
diff --git a/EccSDK/HashHelper.cs b/EccSDK/HashHelper.cs
@@ -0,0 +1,21 @@
+using System.Text;
+using Org.BouncyCastle.Crypto.Digests;
+using Org.BouncyCastle.Math;
+
+namespace EccGrpcSDK;
+
+public abstract class HashHelper
+{
+    public static BigInteger Sha256(string message)
+    {
+        var bmsg = Encoding.ASCII.GetBytes(message);
+        
+        var sha256Digest = new Sha256Digest();
+        sha256Digest.BlockUpdate(bmsg, 0, bmsg.Length);
+        
+        var hash = new byte[sha256Digest.GetDigestSize()];
+        sha256Digest.DoFinal(hash, 0);
+        
+        return new BigInteger(hash);
+    }
+}
diff --git a/EccSDK/models/KeyPair.cs b/EccSDK/models/KeyPair.cs
@@ -7,4 +7,5 @@ public class KeyPair
 {
     public BigInteger PrivateKey { get; set; }
     public ECPoint PublicKey { get; set; }
+    public ECPoint BasePoint { get; set; }
 }

Original file line number	Diff line number	Diff line change
`@@ -22,6 +22,7 @@ public KeyPair GenerateKeyPair(int keySize)`
`22`	`22`	`{`
`23`	`23`	`PublicKey = publicKey.Q,`
`24`	`24`	`PrivateKey = privateKey.D,`
	`25`	`+ BasePoint = publicKey.Parameters.G`
`25`	`26`	`};`
`26`	`27`	`}`
`27`	`28`	`}`
Original file line number	Diff line number	Diff line change
`@@ -7,4 +7,5 @@ public class KeyPair`
`7`	`7`	`{`
`8`	`8`	`public BigInteger PrivateKey { get; set; }`
`9`	`9`	`public ECPoint PublicKey { get; set; }`
	`10`	`+ public ECPoint BasePoint { get; set; }`
`10`	`11`	`}`