implement should execture

analyzers/src/SonarAnalyzer.CSharp/SymbolicExecution/Roslyn/InitializationVectorShouldBeRandom.cs

@@ -18,12 +18,35 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
+using System.Security.Cryptography;
+
 namespace SonarAnalyzer.SymbolicExecution.Roslyn.RuleChecks.CSharp;
 
 public sealed class InitializationVectorShouldBeRandom : InitializationVectorShouldBeRandomBase
 {
     public static readonly DiagnosticDescriptor S3329 = DescriptorFactory.Create(DiagnosticId, MessageFormat);
     protected override DiagnosticDescriptor Rule => S3329;
 
-    public override bool ShouldExecute() => true;
+    public override bool ShouldExecute()
+    {
+        var walker = new Walker();
+        walker.SafeVisit(Node);
+        return walker.Result;
+    }
+
+    private sealed class Walker : SafeCSharpSyntaxWalker
+    {
+        public bool Result { get; private set; }
+
+        public override void Visit(SyntaxNode node)
+        {
+            if (!Result)
+            {
+                base.Visit(node);
+            }
+        }
+
+        public override void VisitInvocationExpression(InvocationExpressionSyntax node) =>
+            Result = node.GetIdentifier().GetValueOrDefault() is { } methodName && methodName.ValueText.Equals(nameof(SymmetricAlgorithm.CreateEncryptor));
+    }
 }