diff --git a/extensions/openpower-pels/meson.build b/extensions/openpower-pels/meson.build
index 068f870..fc8362a 100644
--- a/extensions/openpower-pels/meson.build
+++ b/extensions/openpower-pels/meson.build
@@ -30,6 +30,7 @@
 endif
 
 extra_sources = []
+
 build_phal = get_option('phal').enabled()
 
 if build_phal
@@ -64,6 +65,7 @@
     'service_indicators.cpp',
     'severity.cpp',
     'user_header.cpp',
+    'temporary_file.cpp',
     extra_sources,
 )
 
diff --git a/extensions/openpower-pels/temporary_file.cpp b/extensions/openpower-pels/temporary_file.cpp
new file mode 100644
index 0000000..5c52ccc
--- /dev/null
+++ b/extensions/openpower-pels/temporary_file.cpp
@@ -0,0 +1,79 @@
+#include "temporary_file.hpp"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <stdexcept>
+
+namespace openpower
+{
+namespace pels
+{
+namespace util
+{
+
+TemporaryFile::TemporaryFile(const char* data, const uint32_t len)
+{
+    // Build template path required by mkstemp()
+    std::string templatePath =
+        fs::temp_directory_path() / "phosphor-logging-XXXXXX";
+
+    // Generate unique file name, create file, and open it.  The XXXXXX
+    // characters are replaced by mkstemp() to make the file name unique.
+    fd = mkostemp(templatePath.data(), O_RDWR);
+    if (fd == -1)
+    {
+        throw std::runtime_error{
+            std::string{"Unable to create temporary file: "} + strerror(errno)};
+    }
+
+    // Update file with input Buffer data
+    auto rc = write(fd, data, len);
+    if (rc == -1)
+    {
+        // Delete temporary file.  The destructor won't be called because the
+        // exception below causes this constructor to exit without completing.
+        remove();
+        throw std::runtime_error{std::string{"Unable to update file: "} +
+                                 strerror(errno)};
+    }
+
+    // Store path to temporary file
+    path = templatePath;
+}
+
+TemporaryFile& TemporaryFile::operator=(TemporaryFile&& file)
+{
+    // Verify not assigning object to itself (a = std::move(a))
+    if (this != &file)
+    {
+        // Delete temporary file owned by this object
+        remove();
+
+        // Move temporary file path from other object, transferring ownership
+        path = std::move(file.path);
+
+        // Clear path in other object; after move path is in unspecified state
+        file.path.clear();
+    }
+    return *this;
+}
+
+void TemporaryFile::remove()
+{
+    if (!path.empty())
+    {
+        // Delete temporary file from file system
+        fs::remove(path);
+
+        // Clear path to indicate file has been deleted
+        path.clear();
+    }
+}
+
+} // namespace util
+} // namespace pels
+} // namespace openpower
diff --git a/extensions/openpower-pels/temporary_file.hpp b/extensions/openpower-pels/temporary_file.hpp
new file mode 100644
index 0000000..76c9e6a
--- /dev/null
+++ b/extensions/openpower-pels/temporary_file.hpp
@@ -0,0 +1,120 @@
+#pragma once
+
+#include <filesystem>
+#include <utility>
+
+namespace openpower
+{
+namespace pels
+{
+namespace util
+{
+
+namespace fs = std::filesystem;
+
+/**
+ * @class TemporaryFile
+ *
+ * A temporary file in the file system.
+ *
+ * The temporary file is created by the constructor.  The absolute path to the
+ * file can be obtained using getPath().
+ *
+ * Note: Callers responsibility to delete the file after usage.
+ *       The temporary file can be deleted by calling remove().
+ *
+ * TemporaryFile objects cannot be copied, but they can be moved.  This enables
+ * them to be stored in containers like std::vector.
+ */
+class TemporaryFile
+{
+  public:
+    // Specify which compiler-generated methods we want
+    TemporaryFile(const TemporaryFile&) = delete;
+    TemporaryFile& operator=(const TemporaryFile&) = delete;
+
+    /**
+     * Constructor.
+     *
+     * Creates a temporary file in the temporary directory (normally /tmp).
+     *
+     * Throws an exception if the file cannot be created.
+     *
+     *  @param data - data buffer
+     *  @param len - length of the data buffer
+     */
+    TemporaryFile(const char* data, const uint32_t len);
+
+    /**
+     * Move constructor.
+     *
+     * Transfers ownership of a temporary file.
+     *
+     * @param file TemporaryFile object being moved
+     */
+    TemporaryFile(TemporaryFile&& file) : path{std::move(file.path)}
+    {
+        // Clear path in other object; after move path is in unspecified state
+        file.path.clear();
+    }
+
+    /**
+     * Move assignment operator.
+     *
+     * Deletes the temporary file owned by this object.  Then transfers
+     * ownership of the temporary file owned by the other object.
+     *
+     * Throws an exception if an error occurs during the deletion.
+     *
+     * @param file TemporaryFile object being moved
+     */
+    TemporaryFile& operator=(TemporaryFile&& file);
+
+    /**
+     * Destructor.
+     */
+    ~TemporaryFile()
+    {
+    }
+
+    /**
+     * Deletes the temporary file.
+     *
+     * Does nothing if the file has already been deleted.
+     *
+     * Throws an exception if an error occurs during the deletion.
+     */
+    void remove();
+
+    /**
+     * Returns the absolute path to the temporary file.
+     *
+     * Returns an empty path if the file has been deleted.
+     *
+     * @return temporary file path
+     */
+    const fs::path& getPath() const
+    {
+        return path;
+    }
+
+    int getFd() const
+    {
+        return fd;
+    }
+
+  private:
+    /**
+     * Absolute path to the temporary file.
+     */
+    fs::path path{};
+
+    /**
+     * File descriptor of the temporary file.
+     */
+    int fd;
+};
+
+} // namespace util
+} // namespace pels
+} // namespace openpower