Obsolete RSA.EncryptValue and RSA.DecryptValue

docs/project/list-of-diagnostics.md

@@ -102,6 +102,7 @@ The PR that reveals the implementation of the `<IncludeInternalObsoleteAttribute
 |  __`SYSLIB0045`__ | Cryptographic factory methods accepting an algorithm name are obsolete. Use the parameterless Create factory method on the algorithm type instead. |
 |  __`SYSLIB0046`__ | ControlledExecution.Run method may corrupt the process and should not be used in production code. |
 |  __`SYSLIB0047`__ | XmlSecureResolver is obsolete. Use XmlResolver.ThrowingResolver instead when attempting to forbid XML external entity resolution. |
+|  __`SYSLIB0048`__ | RSA.EncryptValue and DecryptValue are not supported and throw NotSupportedException. Use RSA.Encrypt and RSA.Decrypt instead. |
 
 ## Analyzer Warnings
 

src/libraries/Common/src/System/Obsoletions.cs

@@ -153,5 +153,8 @@ internal static class Obsoletions
 
         internal const string XmlSecureResolverMessage = "XmlSecureResolver is obsolete. Use XmlResolver.ThrowingResolver instead when attempting to forbid XML external entity resolution.";
         internal const string XmlSecureResolverDiagId = "SYSLIB0047";
+
+        internal const string RsaEncryptDecryptValueMessage = "RSA.EncryptValue and DecryptValue are not supported and throw NotSupportedException. Use RSA.Encrypt and RSA.Decrypt instead.";
+        internal const string RsaEncryptDecryptDiagId = "SYSLIB0048";
     }
 }

src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/RSA/EncryptDecrypt.cs

@@ -696,8 +696,10 @@ public void NotSupportedValueMethods()
         {
             using (RSA rsa = RSAFactory.Create())
             {
+#pragma warning disable SYSLIB0048
                 Assert.Throws<NotSupportedException>(() => rsa.DecryptValue(null));
                 Assert.Throws<NotSupportedException>(() => rsa.EncryptValue(null));
+#pragma warning restore SYSLIB0048
             }
         }
 

src/libraries/System.Security.Cryptography/ref/System.Security.Cryptography.cs

@@ -1852,10 +1852,14 @@ public abstract partial class RSA : System.Security.Cryptography.AsymmetricAlgor
         public virtual byte[] Decrypt(byte[] data, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
         public byte[] Decrypt(System.ReadOnlySpan<byte> data, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
         public int Decrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
+        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
+        [System.ObsoleteAttribute("RSA.EncryptValue and DecryptValue are not supported and throw NotSupportedException. Use RSA.Encrypt and RSA.Decrypt instead.", DiagnosticId="SYSLIB0048", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
         public virtual byte[] DecryptValue(byte[] rgb) { throw null; }
         public virtual byte[] Encrypt(byte[] data, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
         public byte[] Encrypt(System.ReadOnlySpan<byte> data, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
         public int Encrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
+        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
+        [System.ObsoleteAttribute("RSA.EncryptValue and DecryptValue are not supported and throw NotSupportedException. Use RSA.Encrypt and RSA.Decrypt instead.", DiagnosticId="SYSLIB0048", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
         public virtual byte[] EncryptValue(byte[] rgb) { throw null; }
         public abstract System.Security.Cryptography.RSAParameters ExportParameters(bool includePrivateParameters);
         public virtual byte[] ExportRSAPrivateKey() { throw null; }
@@ -1955,10 +1959,14 @@ public sealed partial class RSACryptoServiceProvider : System.Security.Cryptogra
         public static bool UseMachineKeyStore { get { throw null; } set { } }
         public byte[] Decrypt(byte[] rgb, bool fOAEP) { throw null; }
         public override byte[] Decrypt(byte[] data, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
+        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
+        [System.ObsoleteAttribute("RSA.EncryptValue and DecryptValue are not supported and throw NotSupportedException. Use RSA.Encrypt and RSA.Decrypt instead.", DiagnosticId="SYSLIB0048", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
         public override byte[] DecryptValue(byte[] rgb) { throw null; }
         protected override void Dispose(bool disposing) { }
         public byte[] Encrypt(byte[] rgb, bool fOAEP) { throw null; }
         public override byte[] Encrypt(byte[] data, System.Security.Cryptography.RSAEncryptionPadding padding) { throw null; }
+        [System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
+        [System.ObsoleteAttribute("RSA.EncryptValue and DecryptValue are not supported and throw NotSupportedException. Use RSA.Encrypt and RSA.Decrypt instead.", DiagnosticId="SYSLIB0048", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
         public override byte[] EncryptValue(byte[] rgb) { throw null; }
         public byte[] ExportCspBlob(bool includePrivateParameters) { throw null; }
         public override System.Security.Cryptography.RSAParameters ExportParameters(bool includePrivateParameters) { throw null; }

src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/RSA.cs

@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Buffers;
+using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
 using System.Formats.Asn1;
 using System.IO;
@@ -331,9 +332,13 @@ public virtual bool TrySignHash(ReadOnlySpan<byte> hash, Span<byte> destination,
         private static Exception DerivedClassMustOverride() =>
             new NotImplementedException(SR.NotSupported_SubclassOverride);
 
+        [Obsolete(Obsoletions.RsaEncryptDecryptValueMessage, DiagnosticId = Obsoletions.RsaEncryptDecryptDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public virtual byte[] DecryptValue(byte[] rgb) =>
             throw new NotSupportedException(SR.NotSupported_Method); // Same as Desktop
 
+        [Obsolete(Obsoletions.RsaEncryptDecryptValueMessage, DiagnosticId = Obsoletions.RsaEncryptDecryptDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public virtual byte[] EncryptValue(byte[] rgb) =>
             throw new NotSupportedException(SR.NotSupported_Method); // Same as Desktop
 

src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/RSACryptoServiceProvider.Windows.cs

@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Buffers.Binary;
+using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.Versioning;
@@ -282,6 +283,8 @@ public byte[] Decrypt(byte[] rgb, bool fOAEP)
         /// <summary>
         /// This method is not supported. Use Decrypt(byte[], RSAEncryptionPadding) instead.
         /// </summary>
+        [Obsolete(Obsoletions.RsaEncryptDecryptValueMessage, DiagnosticId = Obsoletions.RsaEncryptDecryptDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public override byte[] DecryptValue(byte[] rgb) => base.DecryptValue(rgb);
 
         /// <summary>
@@ -341,6 +344,8 @@ public byte[] Encrypt(byte[] rgb, bool fOAEP)
         /// <summary>
         /// This method is not supported. Use Encrypt(byte[], RSAEncryptionPadding) instead.
         /// </summary>
+        [Obsolete(Obsoletions.RsaEncryptDecryptValueMessage, DiagnosticId = Obsoletions.RsaEncryptDecryptDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public override byte[] EncryptValue(byte[] rgb) => base.EncryptValue(rgb);
 
         /// <summary>

src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/RSAWrapper.cs

@@ -1,6 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
 
@@ -94,8 +95,12 @@ public override int KeySize
             RSASignaturePadding padding) =>
             _wrapped.VerifyHash(hash, signature, hashAlgorithm, padding);
 
+        [Obsolete(Obsoletions.RsaEncryptDecryptValueMessage, DiagnosticId = Obsoletions.RsaEncryptDecryptDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public override byte[] DecryptValue(byte[] rgb) => _wrapped.DecryptValue(rgb);
 
+        [Obsolete(Obsoletions.RsaEncryptDecryptValueMessage, DiagnosticId = Obsoletions.RsaEncryptDecryptDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
+        [EditorBrowsable(EditorBrowsableState.Never)]
         public override byte[] EncryptValue(byte[] rgb) => _wrapped.EncryptValue(rgb);
 
         public override byte[] SignData(