From 0da43a8ef527a030d7a44f5065515b894a711251 Mon Sep 17 00:00:00 2001
From: Mike Higgins <mike@kayaker.net>
Date: Tue, 29 Dec 2020 00:37:35 -0800
Subject: [PATCH] added a new function string=osSHA256(string)

Signed-off-by: UbitUmarov <ajlduarte@sapo.pt>
---
 .../Shared/Api/Implementation/OSSL_Api.cs     | 23 ++++++++++++++++++-
 .../Shared/Api/Interface/IOSSL_Api.cs         |  1 +
 .../Shared/Api/Runtime/OSSL_Stub.cs           |  5 ++++
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 2c03030465..170b4af3d2 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -47,6 +47,7 @@ using System.Runtime.Remoting.Lifetime;
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Threading;
+using System.Security.Cryptography;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 using LSL_Float = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLFloat;
 using LSL_Integer = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger;
@@ -2606,6 +2607,26 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return retval;
         }
 
+        public string osSHA256(string input)
+        {
+            // Create a SHA256   
+            using (SHA256 sha256Hash = SHA256.Create())  
+            {  
+                // ComputeHash - returns byte array  
+                byte[] bytes = sha256Hash.ComputeHash(Encoding.UTF8.GetBytes(input));  
+  
+                // Convert byte array to a string   
+                StringBuilder builder = new StringBuilder();  
+                for (int i = 0; i < bytes.Length; i++)  
+                {  
+                    builder.Append(bytes[i].ToString("x2"));  
+                }  
+                return builder.ToString();
+	    }
+        }
+
+
+
         /// <summary>
         /// Get the nickname of this grid, as set in the [GridInfo] config section.
         /// </summary>
@@ -5999,4 +6020,4 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return 1;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
index bd2a461a06..6a79932ef9 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs
@@ -283,6 +283,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
 
         string osAvatarName2Key(string firstname, string lastname);
         string osKey2Name(string id);
+	string osSHA256(string input);
 
         // Grid Info Functions
         string osGetGridNick();
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
index 4e824f1334..f19161deae 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/OSSL_Stub.cs
@@ -521,6 +521,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
             return m_OSSL_Functions.osKey2Name(id);
         }
 
+	public string osSHA256(string input)
+	{
+	    return m_OSSL_Functions.osSHA256(input);
+	}
+
         public string osGetGridNick()
         {
             return m_OSSL_Functions.osGetGridNick();