added BC jar files download via script, updated README_JCE

README_JCE.md

@@ -309,6 +309,15 @@ This script requires for JAVA_HOME to be set.
 
 For Bouncy Castle comparison testing:
 
+CryptoBenchmark.sh will prompt with the following:
+
+```
+Would you like to download Bouncy Castle JARs? (y/n)
+```
+If you respond with 'y', the script will download the Bouncy Castle JARs and run the benchmark with Bouncy Castle. At the end of the benchmark, the script will prompt whether or not to remove the Bouncy Castle JAR files.
+
+If you prefer to download the JARs manually, follow the instructions below:
+
 Visit [bouncy-castle-java](https://www.bouncycastle.org/download/bouncy-castle-java/)
 Download:
 ```
@@ -317,12 +326,8 @@ bctls-jdk18on-1.79.jar  # Bouncy Castle DTLS/TLS API/JSSE Provider
 ```
 Copy jar files to $JAVA_HOME/lib/ext/:
 ```
-cp bcprov-jdk18on-1.79.jar $JAVA_HOME/lib/ext/
-cp bctls-jdk18on-1.79.jar $JAVA_HOME/lib/ext/
-```
-Add Bouncy Castle as provider in java.security file:
-```
-echo "security.provider.X=org.bouncycastle.jce.provider.BouncyCastleProvider" >> $JAVA_HOME/lib/security/java.security
+cp bcprov-jdk18on-1.79.jar wolfcrypt-jni/lib
+cp bctls-jdk18on-1.79.jar wolfcrypt-jni/lib
 ```
 
 ### JAR Code Signing

examples/provider/CryptoBenchmark.sh

@@ -1,5 +1,93 @@
 #!/bin/bash
 
+# Flag to track if we downloaded BC during this session
+BC_DOWNLOADED=false
+
+# Function to download Bouncy Castle JARs
+download_bc_jars() {
+  local bc_version="1.79"
+  local lib_dir="../../../lib"
+  local bc_url="https://downloads.bouncycastle.org/java"
+
+  echo -n "Downloading Bouncy Castle JARs... "
+
+  # Create lib directory if it doesn't exist
+  mkdir -p "$lib_dir" 2>/dev/null
+
+  # Download both required JARs
+  if command -v wget >/dev/null; then
+    wget -q -P "$lib_dir" "$bc_url/bcprov-jdk18on-$bc_version.jar" 2>/dev/null &&
+      wget -q -P "$lib_dir" "$bc_url/bctls-jdk18on-$bc_version.jar" 2>/dev/null || return 1
+  elif command -v curl >/dev/null; then
+    curl -s -L -o "$lib_dir/bcprov-jdk18on-$bc_version.jar" "$bc_url/bcprov-jdk18on-$bc_version.jar" 2>/dev/null &&
+      curl -s -L -o "$lib_dir/bctls-jdk18on-$bc_version.jar" "$bc_url/bctls-jdk18on-$bc_version.jar" 2>/dev/null || return 1
+  else
+    echo "failed"
+    echo "Error: Neither wget nor curl is available. Please install either wget or curl."
+    return 1
+  fi
+
+  # Verify downloads were successful
+  if [ -f "$lib_dir/bcprov-jdk18on-$bc_version.jar" ] && [ -f "$lib_dir/bctls-jdk18on-$bc_version.jar" ]; then
+    echo "done"
+    BC_DOWNLOADED=true
+    return 0
+  else
+    echo "failed"
+    return 1
+  fi
+}
+
+# Function to cleanup BC JARs
+cleanup_bc_jars() {
+  local lib_dir="../../../lib"
+  echo -n "Removing Bouncy Castle JARs... "
+  rm -f "$lib_dir/bcprov-jdk18on-1.79.jar" "$lib_dir/bctls-jdk18on-1.79.jar" 2>/dev/null
+  if [ $? -eq 0 ]; then
+    echo "done"
+    return 0
+  else
+    echo "failed"
+    return 1
+  fi
+}
+
 cd ./examples/build/provider
+
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:../../../lib/:/usr/local/lib
-java -classpath ../../../lib/wolfcrypt-jni.jar:./ -Dsun.boot.library.path=../../../lib/ CryptoBenchmark $@
+
+CLASSPATH="../../../lib/wolfcrypt-jni.jar:."
+
+if [ -f "../../../lib/bcprov-jdk18on-1.79.jar" ] && [ -f "../../../lib/bctls-jdk18on-1.79.jar" ]; then
+  echo "Running crypto benchmark with Bouncy Castle"
+  CLASSPATH="$CLASSPATH:../../../lib/bcprov-jdk18on-1.79.jar:../../../lib/bctls-jdk18on-1.79.jar"
+else
+  echo "Bouncy Castle JARs not found in lib directory"
+  read -p "Would you like to download Bouncy Castle JARs? (y/n) " -n 1 -r
+  echo
+  if [[ $REPLY =~ ^[Yy]$ ]]; then
+    if download_bc_jars; then
+      echo "Running crypto benchmark with Bouncy Castle"
+      CLASSPATH="$CLASSPATH:../../../lib/bcprov-jdk18on-1.79.jar:../../../lib/bctls-jdk18on-1.79.jar"
+    else
+      echo "Running crypto benchmark without Bouncy Castle due to download failure"
+    fi
+  else
+    echo "Running crypto benchmark without Bouncy Castle"
+  fi
+fi
+
+# Run the benchmark
+java -classpath $CLASSPATH -Dsun.boot.library.path=../../../lib/ CryptoBenchmark $@
+
+# After benchmark completion, ask about cleanup if we downloaded the files
+if [ "$BC_DOWNLOADED" = true ]; then
+  echo
+  read -p "Would you like to remove the downloaded Bouncy Castle JARs? (y/n) " -n 1 -r
+  echo
+  if [[ $REPLY =~ ^[Yy]$ ]]; then
+    cleanup_bc_jars
+  else
+    echo "Keeping Bouncy Castle JARs for future use"
+  fi
+fi