fix: make formula right

twsc-james · twsc-james · commit 444999774a00 · 2024-08-23T01:18:23.000+08:00
diff --git a/EccSDK/Services/ChameleonHashService.cs b/EccSDK/Services/ChameleonHashService.cs
@@ -27,7 +27,7 @@ public ChameleonSignature Sign(string message)
         var msgHash = HashHelper.Sha256(message);
         var dn = msgHash.Multiply(_keyPairDomain.PrivateKey.D);
 
-        var signature = _keyPairDomain.SessionKey.Add(dn).Mod(_keyPairDomain.PublicKey.Parameters.N);
+        var signature = _keyPairDomain.SessionKey.Subtract(dn).Mod(_keyPairDomain.PublicKey.Parameters.N);
 
         return new ChameleonSignature
         {

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ public ChameleonSignature Sign(string message)`
`27`	`27`	`var msgHash = HashHelper.Sha256(message);`
`28`	`28`	`var dn = msgHash.Multiply(_keyPairDomain.PrivateKey.D);`
`29`	`29`
`30`		`- var signature = _keyPairDomain.SessionKey.Add(dn).Mod(_keyPairDomain.PublicKey.Parameters.N);`
	`30`	`+ var signature = _keyPairDomain.SessionKey.Subtract(dn).Mod(_keyPairDomain.PublicKey.Parameters.N);`
`31`	`31`
`32`	`32`	`return new ChameleonSignature`
`33`	`33`	`{`