diff --git a/CryptoPkg/Library/OpensslLib/OpenSSL-HOWTO.txt b/CryptoPkg/Library/OpensslLib/OpenSSL-HOWTO.txt
index e8b0bab010..d152138129 100644
--- a/CryptoPkg/Library/OpensslLib/OpenSSL-HOWTO.txt
+++ b/CryptoPkg/Library/OpensslLib/OpenSSL-HOWTO.txt
@@ -18,7 +18,7 @@ on the cryptography.
                              OpenSSL-Version
 =============================================================================
   EDKII supports building with the latest release of OpenSSL.
-  The latest official release is OpenSSL-1.1.0e (Released at 2017-Feb-16).
+  The latest official release is OpenSSL-1.1.0g (Released at 2017-Nov-02).
   NOTE: Only latest release version was fully validated.
         And no guarantees on build & functionality if using other versions.
 
@@ -28,13 +28,13 @@ on the cryptography.
 1. Clone the latest official OpenSSL release into the directory
      CryptoPkg/Library/OpensslLib/openssl/
 
-   Use OpenSSL-1.1.0e release as one example:
-     (OpenSSL_1_1_0e below is the tag name for the OpenSSL-1.1.0e release)
+   Use OpenSSL-1.1.0g release as one example:
+     (OpenSSL_1_1_0g below is the tag name for the OpenSSL-1.1.0g release)
      > cd CryptoPkg/Library/OpensslLib
-     > git clone -b OpenSSL_1_1_0e https://github.com/openssl/openssl openssl
+     > git clone -b OpenSSL_1_1_0g https://github.com/openssl/openssl openssl
      or
      > git clone https://github.com/openssl/openssl openssl
-     > git checkout OpenSSL_1_1_0e
+     > git checkout OpenSSL_1_1_0g
 Or
 2. Download the latest OpenSSL release package from the official website:
      https://www.openssl.org/source/
diff --git a/CryptoPkg/Library/OpensslLib/OpensslLib.inf b/CryptoPkg/Library/OpensslLib/OpensslLib.inf
index 1d15da6660..5302ad7fb5 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLib.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLib.inf
@@ -95,6 +95,7 @@
   $(OPENSSL_PATH)/crypto/asn1/x_algor.c
   $(OPENSSL_PATH)/crypto/asn1/x_bignum.c
   $(OPENSSL_PATH)/crypto/asn1/x_info.c
+  $(OPENSSL_PATH)/crypto/asn1/x_int64.c
   $(OPENSSL_PATH)/crypto/asn1/x_long.c
   $(OPENSSL_PATH)/crypto/asn1/x_pkey.c
   $(OPENSSL_PATH)/crypto/asn1/x_sig.c
@@ -539,10 +540,11 @@
   #   C4389: 'operator' : signed/unsigned mismatch (xxxx)
   #   C4702: unreachable code
   #   C4706: assignment within conditional expression
+  #   C4819: The file contains a character that cannot be represented in the current code page
   #
-  MSFT:*_*_IA32_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706
-  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706
-  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706
+  MSFT:*_*_IA32_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706 /wd4819
+  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706 /wd4819
+  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706 /wd4819
 
   INTEL:*_*_IA32_CC_FLAGS  = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w
   INTEL:*_*_X64_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w
@@ -551,10 +553,12 @@
   #
   # Suppress the following build warnings in openssl so we don't break the build with -Werror
   #   -Werror=maybe-uninitialized: there exist some other paths for which the variable is not initialized.
+  #   -Werror=format: Check calls to printf and scanf, etc., to make sure that the arguments supplied have
+  #                   types appropriate to the format string specified.
   #
   GCC:*_*_IA32_CC_FLAGS    = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized
-  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -DNO_MSABI_VA_FUNCS
-  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized
+  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=format -DNO_MSABI_VA_FUNCS
+  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=format
   GCC:*_*_ARM_CC_FLAGS     = $(OPENSSL_FLAGS)
   GCC:*_*_AARCH64_CC_FLAGS = $(OPENSSL_FLAGS)
 
diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
index 6fc8884da4..0c7f9e9e66 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
@@ -95,6 +95,7 @@
   $(OPENSSL_PATH)/crypto/asn1/x_algor.c
   $(OPENSSL_PATH)/crypto/asn1/x_bignum.c
   $(OPENSSL_PATH)/crypto/asn1/x_info.c
+  $(OPENSSL_PATH)/crypto/asn1/x_int64.c
   $(OPENSSL_PATH)/crypto/asn1/x_long.c
   $(OPENSSL_PATH)/crypto/asn1/x_pkey.c
   $(OPENSSL_PATH)/crypto/asn1/x_sig.c
@@ -500,10 +501,11 @@
   #   C4389: 'operator' : signed/unsigned mismatch (xxxx)
   #   C4702: unreachable code
   #   C4706: assignment within conditional expression
+  #   C4819: The file contains a character that cannot be represented in the current code page
   #
-  MSFT:*_*_IA32_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706
-  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706
-  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706
+  MSFT:*_*_IA32_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4389 /wd4702 /wd4706 /wd4819
+  MSFT:*_*_X64_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706 /wd4819
+  MSFT:*_*_IPF_CC_FLAGS    = -U_WIN32 -U_WIN64 -U_MSC_VER $(OPENSSL_FLAGS) /wd4090 /wd4244 /wd4245 /wd4267 /wd4306 /wd4389 /wd4702 /wd4706 /wd4819
 
   INTEL:*_*_IA32_CC_FLAGS  = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w
   INTEL:*_*_X64_CC_FLAGS   = -U_WIN32 -U_WIN64 -U_MSC_VER -U__ICC $(OPENSSL_FLAGS) /w
@@ -512,10 +514,12 @@
   #
   # Suppress the following build warnings in openssl so we don't break the build with -Werror
   #   -Werror=maybe-uninitialized: there exist some other paths for which the variable is not initialized.
+  #   -Werror=format: Check calls to printf and scanf, etc., to make sure that the arguments supplied have
+  #                   types appropriate to the format string specified.
   #
   GCC:*_*_IA32_CC_FLAGS    = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized
-  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -DNO_MSABI_VA_FUNCS
-  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized
+  GCC:*_*_X64_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=format -DNO_MSABI_VA_FUNCS
+  GCC:*_*_IPF_CC_FLAGS     = -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) -Wno-error=maybe-uninitialized -Wno-error=format
   GCC:*_*_ARM_CC_FLAGS     = $(OPENSSL_FLAGS)
   GCC:*_*_AARCH64_CC_FLAGS = $(OPENSSL_FLAGS)
 
diff --git a/CryptoPkg/Library/OpensslLib/buildinf.h b/CryptoPkg/Library/OpensslLib/buildinf.h
index 3d967d2a86..c5ca293c72 100644
--- a/CryptoPkg/Library/OpensslLib/buildinf.h
+++ b/CryptoPkg/Library/OpensslLib/buildinf.h
@@ -1,2 +1,2 @@
 #define PLATFORM  "UEFI"
-#define DATE      "Tues Mar 21 01:23:45 PDT 2017"
+#define DATE      "Fri Dec 22 01:23:45 PDT 2017"