Replace NET8_0_OR_GREATER with NET across all source files (#118363)

Co-authored-by: agocke <[email protected]>

Author: Copilot

src/libraries/Common/src/Internal/Cryptography/PkcsHelpers.cs

@@ -223,7 +223,7 @@ internal static string GetOidFromHashAlgorithm(HashAlgorithmName algName)
                 return Oids.Sha384;
             if (algName == HashAlgorithmName.SHA512)
                 return Oids.Sha512;
-#if NET8_0_OR_GREATER
+#if NET
             if (algName == HashAlgorithmName.SHA3_256)
                 return Oids.Sha3_256;
             if (algName == HashAlgorithmName.SHA3_384)

src/libraries/Common/src/System/Net/Http/aspnetcore/Http2/Hpack/HuffmanDecodingException.cs

@@ -19,23 +19,23 @@ public HuffmanDecodingException(string message)
         {
         }
 
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
 #endif
         private HuffmanDecodingException(SerializationInfo info, StreamingContext context)
             : base(info, context)
         {
         }
 
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
 #endif
         void ISerializable.GetObjectData(SerializationInfo serializationInfo, StreamingContext streamingContext)
         {
             base.GetObjectData(serializationInfo, streamingContext);
         }
 
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         [EditorBrowsable(EditorBrowsableState.Never)]
 #endif

src/libraries/Common/src/System/Net/Http/aspnetcore/Http3/QPack/QPackDecodingException.cs

@@ -21,7 +21,7 @@ public QPackDecodingException(string message, Exception innerException) : base(m
         {
         }
 
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
 #endif
         private QPackDecodingException(SerializationInfo info, StreamingContext context) : base(info, context)

src/libraries/Common/src/System/Net/Http/aspnetcore/Http3/QPack/QPackEncodingException.cs

@@ -18,7 +18,7 @@ public QPackEncodingException(string message, Exception innerException)
         {
         }
 
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
 #endif
         private QPackEncodingException(SerializationInfo info, StreamingContext context) : base(info, context)

src/libraries/Common/src/System/Net/NetworkInformation/NetworkInformationException.cs

@@ -35,7 +35,7 @@ public NetworkInformationException(int errorCode) : base(errorCode)
         {
         }
 
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
         [EditorBrowsable(EditorBrowsableState.Never)]
 #endif

src/libraries/Common/src/System/Reflection/AssemblyNameParser.cs

@@ -246,7 +246,7 @@ private static bool IsAttribute(string candidate, string attributeKind)
 
         private static bool TryParseVersion(string attributeValue, ref Version? version)
         {
-#if NET8_0_OR_GREATER
+#if NET
             ReadOnlySpan<char> attributeValueSpan = attributeValue;
             Span<Range> parts = stackalloc Range[5];
             parts = parts.Slice(0, attributeValueSpan.Split(parts, '.'));
@@ -262,7 +262,7 @@ private static bool TryParseVersion(string attributeValue, ref Version? version)
             for (int i = 0; i < parts.Length; i++)
             {
                 if (!ushort.TryParse(
-#if NET8_0_OR_GREATER
+#if NET
                     attributeValueSpan[parts[i]],
 #else
                     parts[i],

src/libraries/Common/src/System/Security/Cryptography/CryptoThrowHelper.Windows.cs

@@ -52,7 +52,7 @@ public WindowsCryptographicException(int hr, string message)
                 HResult = hr;
             }
 
-#if NET8_0_OR_GREATER
+#if NET
             [Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
             [EditorBrowsable(EditorBrowsableState.Never)]
 #endif

src/libraries/Common/src/System/Security/Cryptography/SP800108HmacCounterKdf.cs

@@ -542,7 +542,7 @@ private static void CheckHashAlgorithm(HashAlgorithmName hashAlgorithm)
                 case HashAlgorithmNames.SHA384:
                 case HashAlgorithmNames.SHA512:
                     break;
-#if NET8_0_OR_GREATER
+#if NET
                 case HashAlgorithmNames.SHA3_256:
                     if (!HMACSHA3_256.IsSupported)
                     {

src/libraries/Common/tests/System/MockType.cs

@@ -86,7 +86,7 @@ internal class MockType : Type
         public override bool IsSecurityCritical => throw Unexpected;
         public override bool IsSecuritySafeCritical => throw Unexpected;
         public override bool IsSecurityTransparent => throw Unexpected;
-#if NET8_0_OR_GREATER
+#if NET
         [Obsolete("Formatter-based serialization is obsolete and should not be used.", DiagnosticId = "SYSLIB0050", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
 #endif
         public override bool IsSerializable => throw Unexpected;

src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/MLDsa/MLDsaTestsBase.cs

@@ -394,7 +394,7 @@ public void SignPreHash_ThrowsForUnsupportedAlgorithmCombinations(MLDsaAlgorithm
 
         protected static byte[]? CalculateMu(MLDsa mldsa, byte[] data, byte[]? context = null)
         {
-#if NET8_0_OR_GREATER
+#if NET
             if (MLDsaTestHelpers.ExternalMuIsSupported)
             {
                 byte[] mu = new byte[mldsa.Algorithm.MuSizeInBytes];