diff --git a/3rdparty/everest/.gitignore b/3rdparty/everest/.gitignore
new file mode 100644
index 0000000000..5761abcfdf
--- /dev/null
+++ b/3rdparty/everest/.gitignore
@@ -0,0 +1 @@
+*.o
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6115f0588c..f756d43312 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -176,7 +176,7 @@ else()
     set(LIB_INSTALL_DIR lib)
 endif()
 
-include_directories(include/)
+include_directories(include/ 3rdparty/everest/include/ 3rdparty/everest/include/everest/ 3rdparty/everest/include/everest/kremlin/ 3rdparty/everest/include/everest/kremlib/)
 include_directories(library/)
 
 add_subdirectory(library)
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 02f924df45..727fa210c5 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -4,8 +4,9 @@ if(INSTALL_MBEDTLS_HEADERS)
 
     file(GLOB headers "mbedtls/*.h")
     file(GLOB psa_headers "psa/*.h")
+    file(GLOB everest_headers "../3rdparty/everest/include/*.h")
 
-    install(FILES ${headers}
+    install(FILES ${headers} ${everest_headers}
         DESTINATION include/mbedtls
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
 
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index b1f1fb34c8..009fb3e749 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -94,6 +94,15 @@ set(src_crypto
 )
 endif()
 
+set(src_everest
+    ../3rdparty/everest/library/everest.c
+    ../3rdparty/everest/library/Hacl_Curve25519.c
+    ../3rdparty/everest/library/x25519.c
+    ../3rdparty/everest/library/kremlib/fstar_uint128.c
+    ../3rdparty/everest/library/kremlib/FStar_UInt64_FStar_UInt32_FStar_UInt16_FStar_UInt8.c
+)
+
+set(src_crypto ${src_crypto} ${src_everest})
 if(CMAKE_COMPILER_IS_GNUCC)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes")
 endif(CMAKE_COMPILER_IS_GNUCC)
diff --git a/library/Makefile b/library/Makefile
index 736ce09b22..58ecb0c27a 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -19,6 +19,9 @@ endif
 # To compile on Plan9:
 # CFLAGS += -D_BSD_EXTENSION
 
+# Include directories for Everest code
+CFLAGS+=-I../3rdparty/everest/include -I../3rdparty/everest/include/everest -I../3rdparty/everest/include/everest/kremlib
+
 # if were running on Windows build for Windows
 ifdef WINDOWS
 WINDOWS_BUILD=1
@@ -101,6 +104,13 @@ OBJS_CRYPTO += version.o
 OBJS_CRYPTO += version_features.o
 endif
 
+OBJS_CRYPTO+= \
+		../3rdparty/everest/library/everest.o \
+		../3rdparty/everest/library/Hacl_Curve25519.o \
+		../3rdparty/everest/library/x25519.o \
+		../3rdparty/everest/library/kremlib/fstar_uint128.o \
+		../3rdparty/everest/library/kremlib/FStar_UInt64_FStar_UInt32_FStar_UInt16_FStar_UInt8.o
+
 .SILENT:
 
 .PHONY: all static shared clean
@@ -148,8 +158,10 @@ libmbedcrypto.dll: $(OBJS_CRYPTO)
 
 clean:
 ifndef WINDOWS
-	rm -f *.o libmbed*
+	rm -f *.o libmbed* $(OBJS_CRYPTO)
 else
 	if exist *.o del /Q /F *.o
 	if exist libmbed* del /Q /F libmbed*
+	if exist $(OBJS_CRYPTO) del /Q /F $(OBJS_CRYPTO)
 endif
+
diff --git a/programs/Makefile b/programs/Makefile
index 1a69b7469f..871b75b77d 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -11,6 +11,8 @@ LOCAL_CXXFLAGS = $(WARNING_CXXFLAGS) -I../include -D_FILE_OFFSET_BITS=64
 LOCAL_LDFLAGS = -L../library 			\
 		-lmbedcrypto$(SHARED_SUFFIX)
 
+LOCAL_CFLAGS+=-I../3rdparty/everest/include
+
 ifndef SHARED
 DEP=../library/libmbedcrypto.a
 else
diff --git a/tests/Makefile b/tests/Makefile
index 6b72523eb9..00a14bc211 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -10,6 +10,8 @@ LOCAL_CFLAGS = $(WARNING_CFLAGS) $(CRYPTO_INCLUDES) -I../library -D_FILE_OFFSET_
 LOCAL_LDFLAGS = -L../library			\
 		-lmbedcrypto$(SHARED_SUFFIX)
 
+LOCAL_CFLAGS+=-I../3rdparty/everest/include
+
 # Enable definition of various functions used throughout the testsuite
 # (gethostname, strdup, fileno...) even when compiling with -std=c99. Harmless
 # on non-POSIX platforms.