diff --git a/provision/headers/ProvisionStorage.h b/provision/headers/ProvisionStorage.h
index 92a3448f..4486e8e8 100644
--- a/provision/headers/ProvisionStorage.h
+++ b/provision/headers/ProvisionStorage.h
@@ -165,11 +165,11 @@ struct Storage : public GenericStorage,
 
 public:
     friend class Manager;
-    friend class Protocol1;
-    friend class Command;
-    friend class CsrCommand;
-    friend class ReadCommand;
-    friend class WriteCommand;
+    friend struct Protocol1;
+    friend struct Command;
+    friend struct CsrCommand;
+    friend struct ReadCommand;
+    friend struct WriteCommand;
 
     //
     // Initialization
@@ -238,7 +238,7 @@ struct Storage : public GenericStorage,
     CHIP_ERROR SetTestEventTriggerKey(const ByteSpan & value);
     CHIP_ERROR GetTestEventTriggerKey(MutableByteSpan & keySpan) override;
 
-    CHIP_ERROR DecryptUsingOtaTlvEncryptionKey(MutableByteSpan & block, uint32_t & mIVOffset);
+    CHIP_ERROR DecryptUsingOtaTlvEncryptionKey(MutableByteSpan & block, uint32_t & mIVOffset) override;
     CHIP_ERROR GetOtaTlvEncryptionKeyId(uint32_t & value) override;
 
     //
diff --git a/provision/libs/libProvision-efr32mg24.a b/provision/libs/libProvision-efr32mg24.a
new file mode 100644
index 00000000..55ea4fc1
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diff --git a/provision/libs/libProvision-efr32mg26.a b/provision/libs/libProvision-efr32mg26.a
new file mode 100644
index 00000000..0fdd1ca2
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diff --git a/provision/libs/libProvision-mgm24.a b/provision/libs/libProvision-mgm24.a
new file mode 100644
index 00000000..8c195df2
Binary files /dev/null and b/provision/libs/libProvision-mgm24.a differ
diff --git a/provision/libs/libProvision-si917.a b/provision/libs/libProvision-si917.a
new file mode 100644
index 00000000..13a667dd
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diff --git a/provision/libs/libProvisionFlash-efr32mg24.a b/provision/libs/libProvisionFlash-efr32mg24.a
new file mode 100644
index 00000000..adc69665
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diff --git a/provision/libs/libProvisionFlash-efr32mg26.a b/provision/libs/libProvisionFlash-efr32mg26.a
new file mode 100644
index 00000000..77491fb3
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diff --git a/provision/libs/libProvisionFlash-mgm24.a b/provision/libs/libProvisionFlash-mgm24.a
new file mode 100644
index 00000000..f5bfb113
Binary files /dev/null and b/provision/libs/libProvisionFlash-mgm24.a differ
diff --git a/provision/libs/libProvisionPSA-si917.a b/provision/libs/libProvisionPSA-si917.a
new file mode 100644
index 00000000..bd31cfa8
Binary files /dev/null and b/provision/libs/libProvisionPSA-si917.a differ
diff --git a/provision/modules/util.py b/provision/modules/util.py
index f8ceba6d..2fe48510 100644
--- a/provision/modules/util.py
+++ b/provision/modules/util.py
@@ -1,5 +1,6 @@
 import json
 import os
+import shlex
 import subprocess
 import sys
 import traceback
@@ -60,7 +61,7 @@ def normalize(self, base, path=None):
     @staticmethod
     def quote(path):
         s = path and path.strip().strip('"') or ''
-        return '"{}"'.format(os.path.normpath(s))
+        return os.path.normpath(s)
 
 
 class File:
@@ -121,14 +122,13 @@ def write(self, data):
 def execute(args, output=False, check=True, env=None, retry=1, dir=None):
     sys.stdout.reconfigure(encoding='utf-8')
     args = [str(x) for x in args]
-    cmd = ' '.join(args)
-    print("{}> {}\n".format(MARGIN, cmd))
+    print("{}> {}\n".format(MARGIN, shlex.join(args)))
     if env is None:
         env = os.environ.copy()
 
     if output:
         try:
-            return subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT, env=env, cwd=dir)
+            return subprocess.check_output(args, shell=False, stderr=subprocess.STDOUT, env=env, cwd=dir)
         except subprocess.CalledProcessError as err:
             print("{}Command output:\n{}".format(MARGIN, err.output.decode() if err.output else "No output"))
             print("{}Return code: {}".format(MARGIN, err.returncode))
@@ -145,7 +145,7 @@ def execute(args, output=False, check=True, env=None, retry=1, dir=None):
             retry = retry - 1
             try:
                 # Capture both stdout and stderr for better debugging
-                result = subprocess.run(cmd, shell=True, env=env, cwd=dir,
+                result = subprocess.run(args, shell=False, env=env, cwd=dir,
                                         capture_output=True, text=True)
                 if result.returncode == 0:
                     return 0