For net4.6.2 select RSACng for PSS support. (#3085)

Co-authored-by: id4s <[email protected]>
AzureAD · Jan 9, 2025 · 6146f1f · 6146f1f
1 parent 3f2fbf1
commit 6146f1f
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/src/Microsoft.IdentityModel.Tokens/AsymmetricAdapter.cs b/src/Microsoft.IdentityModel.Tokens/AsymmetricAdapter.cs
@@ -241,6 +241,9 @@ private void InitializeUsingRsaSecurityKey(RsaSecurityKey rsaSecurityKey, string
             {
 #if NET472 || NET6_0_OR_GREATER
                 var rsa = RSA.Create(rsaSecurityKey.Parameters);
+#elif  NET462
+                var rsa = new RSACng();
+                rsa.ImportParameters(rsaSecurityKey.Parameters);
 #else
                 var rsa = RSA.Create();
                 rsa.ImportParameters(rsaSecurityKey.Parameters);

diff --git a/test/Microsoft.IdentityModel.Tokens.Tests/SignatureProviderTests.cs b/test/Microsoft.IdentityModel.Tokens.Tests/SignatureProviderTests.cs
@@ -1307,7 +1307,7 @@ internal static void AddSignUsingOffsets(byte[] bytes, SecurityKey securityKey,
             {
                 Bytes = bytes,
                 Count = -1,
-                ExpectedException = ExpectedException.ArgumentException(),
+                ExpectedException = prefix == "RSA" ? ExpectedException.ArgumentOutOfRangeException() : ExpectedException.ArgumentException(),
                 Offset = 0,
                 SignatureProvider = CreateProvider(securityKey, algorithm)
             });
@@ -1316,7 +1316,7 @@ internal static void AddSignUsingOffsets(byte[] bytes, SecurityKey securityKey,
             {
                 Bytes = bytes,
                 Count = bytes.Length + 1,
-                ExpectedException = ExpectedException.ArgumentException(),
+                ExpectedException = prefix == "RSA" ? ExpectedException.ArgumentOutOfRangeException() : ExpectedException.ArgumentException(),
                 Offset = 0,
                 SignatureProvider = CreateProvider(securityKey, algorithm)
             });
@@ -1325,7 +1325,7 @@ internal static void AddSignUsingOffsets(byte[] bytes, SecurityKey securityKey,
             {
                 Bytes = bytes,
                 Count = 10,
-                ExpectedException = ExpectedException.ArgumentException(),
+                ExpectedException = prefix == "RSA" ? ExpectedException.ArgumentOutOfRangeException() : ExpectedException.ArgumentException(),
                 Offset = bytes.Length - 1,
                 SignatureProvider = CreateProvider(securityKey, algorithm)
             });