From a86067d2741c908d50c66c46df9984aac6ff1304 Mon Sep 17 00:00:00 2001
From: Jack Tjaden <jack@wolfssl.com>
Date: Mon, 6 Jan 2025 13:47:31 -0700
Subject: [PATCH] Implemented logic to check if BC is available

---
 examples/provider/CryptoBenchmark.java | 38 ++++++++++++++++++++------
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/examples/provider/CryptoBenchmark.java b/examples/provider/CryptoBenchmark.java
index 7caebef..656a47a 100644
--- a/examples/provider/CryptoBenchmark.java
+++ b/examples/provider/CryptoBenchmark.java
@@ -11,7 +11,6 @@
 import java.util.Arrays;
 
 import com.wolfssl.provider.jce.WolfCryptProvider;
-import org.bouncycastle.jce.provider.BouncyCastleProvider;
 
 public class CryptoBenchmark {
     /* Constants for benchmark configuration */
@@ -151,14 +150,37 @@ private static void runBenchmark(String algorithm, String mode, String providerN
 
     public static void main(String[] args) {
         try {
-            /* Array of providers to test */
-            Provider[] providers = {
-                new WolfCryptProvider(),
-                new com.sun.crypto.provider.SunJCE(),
-                new BouncyCastleProvider()
-            };
+            /* Check if Bouncy Castle is available */
+            boolean hasBouncyCastle = false;
+            Provider bcProvider = null;
+            try {
+                Class<?> bcClass = Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider");
+                bcProvider = (Provider) bcClass.getDeclaredConstructor().newInstance();
+                hasBouncyCastle = true;
+            } catch (Exception e) {
+                // Bouncy Castle not available
+            }
+
+            /* Create provider list based on availability */
+            java.util.List<Provider> providerList = new java.util.ArrayList<>();
+            java.util.List<String> providerNameList = new java.util.ArrayList<>();
+            
+            /* Always add wolfJCE first */
+            providerList.add(new WolfCryptProvider());
+            providerNameList.add("wolfJCE");
+            
+            /* Always add SunJCE second */
+            providerList.add(new com.sun.crypto.provider.SunJCE());
+            providerNameList.add("SunJCE");
+            
+            /* Add Bouncy Castle if available */
+            if (hasBouncyCastle && bcProvider != null) {
+                providerList.add(bcProvider);
+                providerNameList.add("BC");
+            }
             
-            String[] providerNames = {"wolfJCE", "SunJCE", "BC"};
+            Provider[] providers = providerList.toArray(new Provider[0]);
+            String[] providerNames = providerNameList.toArray(new String[0]);
 
             System.out.println("------------------------------------------------------------------------------");
             System.out.println(" JCE Crypto Provider Benchmark");