From ee243b8ad4be7f55821e375ded272984e13354ab Mon Sep 17 00:00:00 2001
From: UbitUmarov <ajlduarte@sapo.pt>
Date: Sat, 22 Oct 2022 13:42:17 +0100
Subject: [PATCH] add llSHA256String() same as osSHA256

---
 .../ScriptEngine/Shared/Api/Implementation/LSL_Api.cs | 11 +++++++++++
 .../ScriptEngine/Shared/Api/Interface/ILSL_Api.cs     |  1 +
 .../ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs       |  5 +++++
 3 files changed, 17 insertions(+)

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 8c1a14a92d..a70914015f 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -8248,6 +8248,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return Util.SHA1Hash(src, Encoding.UTF8).ToLower();
         }
 
+        public LSL_String llSHA256String(LSL_String input)
+        {
+            // Create a SHA256   
+            using (SHA256 sha256Hash = SHA256.Create())
+            {
+                // ComputeHash - returns byte array
+                byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(input));
+                return Util.bytesToHexString(bytes, true);
+            }
+        }
+
         protected ObjectShapePacket.ObjectDataBlock SetPrimitiveBlockShapeParams(SceneObjectPart part, int holeshape, LSL_Vector cut, float hollow, LSL_Vector twist, byte profileshape, byte pathcurve)
         {
             float tempFloat;                                    // Use in float expressions below to avoid byte cast precision issues.
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
index d0514faf3b..70324cae8e 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/ILSL_Api.cs
@@ -274,6 +274,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
               void llMapDestination(string simname, LSL_Vector pos, LSL_Vector look_at);
         LSL_String llMD5String(string src, int nonce);
         LSL_String llSHA1String(string src);
+        LSL_String llSHA256String(LSL_String src);
               void llMessageLinked(int linknum, int num, string str, string id);
               void llMinEventDelay(double delay);
               void llModifyLand(int action, int brush);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
index 54a6947e05..8db3b7630d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Stub.cs
@@ -1158,6 +1158,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             return m_LSL_Functions.llSHA1String(src);
         }
 
+        public LSL_String llSHA256String(LSL_String src)
+        {
+            return m_LSL_Functions.llSHA256String(src);
+        }
+
         public void llMessageLinked(int linknum, int num, string str, string id)
         {
             m_LSL_Functions.llMessageLinked(linknum, num, str, id);