diff --git a/openaes/test/test_keys.c b/openaes/test/test_keys.c
new file mode 100644
index 0000000..6a8d625
--- /dev/null
+++ b/openaes/test/test_keys.c
@@ -0,0 +1,248 @@
+/* 
+ * ---------------------------------------------------------------------------
+ * OpenAES License
+ * ---------------------------------------------------------------------------
+ * Copyright (c) 2012, Nabil S. Al Ramli, www.nalramli.com
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ *   - Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * ---------------------------------------------------------------------------
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "oaes_lib.h"
+
+/*
+ * 
+ */
+int main(int argc, char** argv) {
+
+	OAES_CTX * ctx = NULL;
+	uint8_t * _buf;
+	size_t _data_len;
+	FILE * f = NULL;
+	OAES_RET _rc;
+	
+	if( NULL == ( ctx = oaes_alloc() ) )
+	{
+		printf( "Error: Initialization failed.\n" );
+		return 1;
+	}
+	
+	/* ************** Generate 128-bit key and export it **************
+	 * ****************************************************************/
+	if( OAES_RET_SUCCESS != ( _rc = oaes_key_gen_128(ctx) ) )
+	{
+		printf( "Error: Failed to generate 128-bit key [%d].\n", _rc );
+		oaes_free(&ctx);
+		return 1;
+	}
+	
+	if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, NULL, &_data_len) ) )
+	{
+		printf( "Error: Failed to retrieve key length [%d].\n", _rc );
+		oaes_free(&ctx);
+		return 1;
+	}
+	
+	_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
+	if( _buf )
+	{
+		if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, _buf, &_data_len) ) )
+		{
+			printf("Error: Failed to export key [%d].\n", _rc);
+			free(_buf);
+			oaes_free(&ctx);
+			return 1;
+		}
+		
+		f = fopen( "key_128", "wb" );
+		if( f )
+		{
+			fwrite(_buf, _data_len, sizeof(uint8_t), f);
+			fclose(f);
+		}
+		free(_buf);
+	}
+	
+	/* ************** Generate 192-bit key and export it **************
+	 * ****************************************************************/
+	if( OAES_RET_SUCCESS != ( _rc = oaes_key_gen_192(ctx) ) )
+	{
+		printf( "Error: Failed to generate 192-bit key [%d].\n", _rc );
+		oaes_free(&ctx);
+		return 1;
+	}
+	
+	if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, NULL, &_data_len) ) )
+	{
+		printf( "Error: Failed to retrieve key length [%d].\n", _rc );
+		oaes_free(&ctx);
+		return 1;
+	}
+	
+	_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
+	if( _buf )
+	{
+		if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, _buf, &_data_len) ) )
+		{
+			printf("Error: Failed to export key [%d].\n", _rc);
+			free(_buf);
+			oaes_free(&ctx);
+			return 1;
+		}
+		
+		f = fopen("key_192", "wb");
+		if( f )
+		{
+			fwrite(_buf, _data_len, sizeof(uint8_t), f);
+			fclose(f);
+		}
+		free(_buf);
+	}
+	
+	/* ************** Generate 256-bit key and export it **************
+	 * ****************************************************************/
+	if( OAES_RET_SUCCESS != ( _rc = oaes_key_gen_256(ctx) ) )
+	{
+		printf("Error: Failed to generate 256-bit key [%d].\n", _rc);
+		oaes_free(&ctx);
+		return 1;
+	}
+	
+	if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, NULL, &_data_len) ) )
+	{
+		printf("Error: Failed to retrieve key length [%d].\n", _rc);
+		oaes_free(&ctx);
+		return 1;
+	}
+	
+	_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
+	if( _buf )
+	{
+		if( OAES_RET_SUCCESS != ( _rc = oaes_key_export(ctx, _buf, &_data_len) ) )
+		{
+			printf("Error: Failed to export key [%d].\n", _rc);
+			free(_buf);
+			oaes_free(&ctx);
+			return 1;
+		}
+		
+		f = fopen("key_256", "wb");
+		if( f )
+		{
+			fwrite(_buf, _data_len, sizeof(uint8_t), f);
+			fclose(f);
+		}
+		free(_buf);
+	}
+	
+	/* ********************** Import 128-bit key **********************
+	 * ****************************************************************/
+	f = fopen("key_128", "rb");
+	if( f )
+	{
+		fseek(f, 0L, SEEK_END);
+		_data_len = ftell(f);
+		fseek(f, 0L, SEEK_SET);
+		_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
+		if( _buf )
+		{
+			fread(_buf, _data_len, sizeof(uint8_t), f);
+			
+			if( OAES_RET_SUCCESS !=
+					( _rc = oaes_key_import(ctx, _buf, _data_len) ) )
+			{
+				printf( "Error: Failed to import key [%d].\n", _rc );
+				free(_buf);
+				fclose(f);
+				oaes_free(&ctx);
+				return 1;
+			}
+			
+			free(_buf);
+		}
+		fclose(f);
+	}
+	
+	/* ********************** Import 192-bit key **********************
+	 * ****************************************************************/
+	f = fopen("key_192", "rb");
+	if( f )
+	{
+		fseek(f, 0L, SEEK_END);
+		_data_len = ftell(f);
+		fseek(f, 0L, SEEK_SET);
+		_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
+		if( _buf )
+		{
+			fread(_buf, _data_len, sizeof(uint8_t), f);
+			
+			if( OAES_RET_SUCCESS !=
+					( _rc = oaes_key_import(ctx, _buf, _data_len) ) )
+			{
+				printf("Error: Failed to import key [%d].\n", _rc);
+				free(_buf);
+				fclose(f);
+				oaes_free(&ctx);
+				return 1;
+			}
+			
+			free(_buf);
+		}
+		fclose(f);
+	}
+	
+	/* ********************** Import 256-bit key **********************
+	 * ****************************************************************/
+	f = fopen("key_256", "rb");
+	if( f )
+	{
+		fseek(f, 0L, SEEK_END);
+		_data_len = ftell(f);
+		fseek(f, 0L, SEEK_SET);
+		_buf = (uint8_t *) calloc(_data_len, sizeof(uint8_t));
+		if( _buf )
+		{
+			fread(_buf, _data_len, sizeof(uint8_t), f);
+			
+			if( OAES_RET_SUCCESS !=
+					( _rc = oaes_key_import(ctx, _buf, _data_len) ) )
+			{
+				printf("Error: Failed to import key [%d].\n", _rc);
+				free(_buf);
+				fclose(f);
+				oaes_free(&ctx);
+				return 1;
+			}
+			
+			free(_buf);
+		}
+		fclose(f);
+	}
+	
+	oaes_free(&ctx);
+
+	return (EXIT_SUCCESS);
+}