--- crypto/bio/bss_file.c	Thu Jan 15 17:14:12 1970
+++ crypto/bio/bss_file.c	Thu Jan 15 17:14:12 1970
@@ -421,6 +421,23 @@
 	return(ret);
 	}
 
+#else
+
+BIO_METHOD *BIO_s_file(void)
+	{
+	return NULL;
+	}
+
+BIO *BIO_new_file(const char *filename, const char *mode)
+	{
+	return NULL;
+	}
+
+BIO *BIO_new_fp(FILE *stream, int close_flag)
+	{
+	return NULL;
+	}
+
 #endif /* OPENSSL_NO_STDIO */
 
 #endif /* HEADER_BSS_FILE_C */
--- crypto/err/err.c
+++ crypto/err/err.c
@@ -313,7 +313,12 @@
 	es->err_data_flags[i]=flags;
 	}
 
+/* Add EFIAPI for UEFI version. */
+#if defined(OPENSSL_SYS_UEFI)
+void EFIAPI ERR_add_error_data(int num, ...)
+#else
 void ERR_add_error_data(int num, ...)
+#endif
 	{
 	va_list args;
 	int i,n,s;
--- crypto/err/err.h
+++ crypto/err/err.h
@@ -286,8 +286,14 @@
 #endif
 #ifndef OPENSSL_NO_BIO
 void ERR_print_errors(BIO *bp);
+
+/* Add EFIAPI for UEFI version. */
+#if defined(OPENSSL_SYS_UEFI)
+void EFIAPI ERR_add_error_data(int num, ...);
+#else
 void ERR_add_error_data(int num, ...);
 #endif
+#endif
 void ERR_load_strings(int lib,ERR_STRING_DATA str[]);
 void ERR_unload_strings(int lib,ERR_STRING_DATA str[]);
 void ERR_load_ERR_strings(void);
--- crypto/opensslconf.h
+++ crypto/opensslconf.h
@@ -162,6 +162,9 @@
 /* The prime number generation stuff may not work when
  * EIGHT_BIT but I don't care since I've only used this mode
  * for debuging the bignum libraries */
+
+/* Bypass following definition for UEFI version. */
+#if !defined(OPENSSL_SYS_UEFI)
 #undef SIXTY_FOUR_BIT_LONG
 #undef SIXTY_FOUR_BIT
 #define THIRTY_TWO_BIT
@@ -169,6 +172,8 @@
 #undef EIGHT_BIT
 #endif
 
+#endif
+
 #if defined(HEADER_RC4_LOCL_H) && !defined(CONFIG_HEADER_RC4_LOCL_H)
 #define CONFIG_HEADER_RC4_LOCL_H
 /* if this is defined data[i] is used instead of *data, this is a %20
--- crypto/pkcs7/pk7_smime.c	2009-03-15 21:36:02.000000000 +0800
+++ crypto/pkcs7/pk7_smime.c	2011-09-13 14:11:36.019454700 +0800
@@ -88,7 +88,10 @@
 	if (!PKCS7_content_new(p7, NID_pkcs7_data))
 		goto err;
 
-	if (!(si = PKCS7_add_signature(p7,signcert,pkey,EVP_sha1()))) {
+  /* 
+    NOTE: Update to SHA-256 digest algorithm for UEFI version.
+  */
+	if (!(si = PKCS7_add_signature(p7,signcert,pkey,EVP_sha256()))) {
 		PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
 		goto err;
 	}
--- crypto/rand/rand_egd.c	Thu Jan 15 17:14:12 1970
+++ crypto/rand/rand_egd.c	Thu Jan 15 17:14:12 1970
@@ -95,7 +95,7 @@
  *   RAND_egd() is a wrapper for RAND_egd_bytes() with numbytes=255.
  */
 
-#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_VOS)
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_VOS) || defined(OPENSSL_SYS_UEFI)
 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
 	{
 	return(-1);
--- crypto/rand/rand_unix.c	Thu Jan 15 17:14:12 1970
+++ crypto/rand/rand_unix.c	Thu Jan 15 17:14:12 1970
@@ -116,7 +116,7 @@
 #include <openssl/rand.h>
 #include "rand_lcl.h"
 
-#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE))
+#if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_UEFI))
 
 #include <sys/types.h>
 #include <sys/time.h>
@@ -322,7 +322,7 @@
 #endif /* !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_OS2) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_NETWARE)) */
 
 
-#if defined(OPENSSL_SYS_VXWORKS)
+#if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
 int RAND_poll(void)
 	{
 	return 0;
--- crypto/x509/x509_vfy.c	Thu Jan 15 17:14:12 1970
+++ crypto/x509/x509_vfy.c	Thu Jan 15 17:14:12 1970
@@ -391,7 +391,12 @@
 
 static int check_chain_extensions(X509_STORE_CTX *ctx)
 {
-#ifdef OPENSSL_NO_CHAIN_VERIFY
+//#ifdef OPENSSL_NO_CHAIN_VERIFY
+#if defined(OPENSSL_NO_CHAIN_VERIFY) || defined(OPENSSL_SYS_UEFI)
+  /* 
+    NOTE: Bypass KU Flags Checking for UEFI version. There are incorrect KU flag setting
+          in Authenticode Signing Certificates. 
+  */
 	return 1;
 #else
 	int i, ok=0, must_be_ca, plen = 0;
@@ -904,6 +909,10 @@
 
 static int check_cert_time(X509_STORE_CTX *ctx, X509 *x)
 	{
+#if defined(OPENSSL_SYS_UEFI)
+  /* Bypass Certificate Time Checking for UEFI version. */
+  return 1;
+#else
 	time_t *ptime;
 	int i;
 
@@ -947,6 +956,7 @@
 		}
 
 	return 1;
+#endif  
 	}
 
 static int internal_verify(X509_STORE_CTX *ctx)