Add SHA-384 and SHA-512 hash algorithm support for PDB checksums

src/TraceEvent/Symbols/NativeSymbolModule.cs

@@ -747,6 +747,14 @@ private void TryInitializeManagedChecksum(NativeSymbolModule module)
                     {
                         _hashAlgorithm = System.Security.Cryptography.SHA256.Create();
                     }
+                    else if (srcFormat.Header.algorithmId == guidSHA384)
+                    {
+                        _hashAlgorithm = System.Security.Cryptography.SHA384.Create();
+                    }
+                    else if (srcFormat.Header.algorithmId == guidSHA512)
+                    {
+                        _hashAlgorithm = System.Security.Cryptography.SHA512.Create();
+                    }
 
                     if (_hashAlgorithm != null)
                     {
@@ -1546,6 +1554,8 @@ struct SrcFormat
         private static readonly Guid guidMD5 = new Guid("406ea660-64cf-4c82-b6f0-42d48172a799");
         private static readonly Guid guidSHA1 = new Guid("ff1816ec-aa5e-4d10-87f7-6f4963833460");
         private static readonly Guid guidSHA256 = new Guid("8829d00f-11b8-4213-878b-770e8597ac16");
+        private static readonly Guid guidSHA384 = new Guid("d99cfeb1-8c43-444a-8a6c-b61269d2a0bf");
+        private static readonly Guid guidSHA512 = new Guid("ef2d1afc-6550-46d6-b14b-d70afe9a5566");
 
         #endregion
     }

src/TraceEvent/Symbols/PortableSymbolModule.cs

@@ -128,6 +128,14 @@ internal PortablePdbSourceFile(DocumentHandle documentHandle, PortableSymbolModu
                 {
                     _hashAlgorithm = System.Security.Cryptography.SHA256.Create();
                 }
+                else if (hashAlgorithmGuid == HashAlgorithmSha384)
+                {
+                    _hashAlgorithm = System.Security.Cryptography.SHA384.Create();
+                }
+                else if (hashAlgorithmGuid == HashAlgorithmSha512)
+                {
+                    _hashAlgorithm = System.Security.Cryptography.SHA512.Create();
+                }
 
                 if (_hashAlgorithm != null)
                 {
@@ -141,6 +149,8 @@ internal PortablePdbSourceFile(DocumentHandle documentHandle, PortableSymbolModu
             #region private 
             private static readonly Guid HashAlgorithmSha1 = Guid.Parse("ff1816ec-aa5e-4d10-87f7-6f4963833460");
             private static readonly Guid HashAlgorithmSha256 = Guid.Parse("8829d00f-11b8-4213-878b-770e8597ac16");
+            private static readonly Guid HashAlgorithmSha384 = Guid.Parse("d99cfeb1-8c43-444a-8a6c-b61269d2a0bf");
+            private static readonly Guid HashAlgorithmSha512 = Guid.Parse("ef2d1afc-6550-46d6-b14b-d70afe9a5566");
             #endregion
         }   // Class PortablePdbSourceFile
 

src/TraceEvent/Symbols/SymbolReader.cs

@@ -2035,6 +2035,14 @@ public string ChecksumAlgorithm
                 {
                     return "MD5";
                 }
+                else if (_hashAlgorithm is SHA384)
+                {
+                    return "SHA384";
+                }
+                else if (_hashAlgorithm is SHA512)
+                {
+                    return "SHA512";
+                }
                 else
                 {
                     Debug.Fail("Missing case in get_ChecksumAlgorithm");