1 files changed, 38 insertions, 2 deletions
diff --git a/crypto/src/AssemblyInfo.cs b/crypto/src/AssemblyInfo.cs
index 36beb99c4..cfddb17b9 100644
--- a/crypto/src/AssemblyInfo.cs
+++ b/crypto/src/AssemblyInfo.cs
@@ -1,9 +1,13 @@
 using System;
 using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
 //using System.Security.Permissions;
 
+#if PORTABLE
+using System.Linq;
+#else
+using System.Runtime.InteropServices;
+#endif
+
 //
 // General Information about an assembly is controlled through the following
 // set of attributes. Change these attribute values to modify the information
@@ -76,3 +80,35 @@ using System.Runtime.InteropServices;
 // see Org.BouncyCastle.Crypto.Encodings.Pkcs1Encoding.StrictLengthEnabledProperty
 //[assembly: EnvironmentPermission(SecurityAction.RequestOptional, Read="Org.BouncyCastle.Pkcs1.Strict")]
 
+internal class AssemblyInfo
+{
+    private static string version;
+    public static string Version
+    {
+        get
+        {
+            if (version == null)
+            {
+#if PORTABLE
+#if NEW_REFLECTION
+                var ver = (AssemblyVersionAttribute)typeof(AssemblyInfo).GetTypeInfo().Assembly.GetCustomAttributes(typeof(AssemblyVersionAttribute)).FirstOrDefault();
+#else
+                var ver = (AssemblyVersionAttribute)typeof(AssemblyInfo).Assembly.GetCustomAttributes(typeof(AssemblyVersionAttribute), false).FirstOrDefault();
+#endif
+                if (ver != null)
+                {
+                    version = ver.Version;
+                }
+#else
+                version = Assembly.GetExecutingAssembly().GetName().Version.ToString();
+#endif
+
+                // if we're still here, then don't try again
+                if (version == null)
+                    version = string.Empty;
+            }
+
+            return version;
+        }
+    }
+}