diff --git a/Cargo.toml b/Cargo.toml
index a54d794e1..34366146c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,6 +31,7 @@ headers = ["headers-shared", "headers-um", "headers-vc"]
     "shared-ntdef",
     "shared-ntstatus",
     "shared-rpcndr",
+    "shared-sspi",
     "shared-windef",
     "shared-wtypesbase"
 ]
@@ -44,6 +45,7 @@ headers = ["headers-shared", "headers-um", "headers-vc"]
 "shared-ntdef" = ["shared-basetsd"]
 "shared-ntstatus" = ["shared-ntdef"]
 "shared-rpcndr" = []
+"shared-sspi" = ["shared-ntdef"]
 "shared-windef" = ["shared-minwindef", "um-winnt"]
 "shared-wtypesbase" = ["shared-minwindef", "shared-rpcndr", "um-winnt"]
 "headers-um" = [
@@ -51,6 +53,7 @@ headers = ["headers-shared", "headers-um", "headers-vc"]
     "um-combaseapi",
     "um-consoleapi",
     "um-minwinbase",
+    "um-ncrypt",
     "um-objidlbase",
     "um-unknwnbase",
     "um-wincon",
@@ -61,6 +64,7 @@ headers = ["headers-shared", "headers-um", "headers-vc"]
 "um-combaseapi" = ["shared-basetsd", "shared-minwindef", "shared-wtypesbase", "um-objidlbase", "ole32"]
 "um-consoleapi" = ["shared-minwindef", "um-wincon", "um-winnt", "kernel32"]
 "um-minwinbase" = ["shared-ntstatus"]
+"um-ncrypt" = ["shared-basetsd", "shared-sspi", "ncrypt"]
 "um-objidlbase" = ["shared-guiddef", "shared-minwindef", "shared-wtypesbase", "um-unknwnbase", "um-winnt"]
 "um-unknwnbase" = ["shared-guiddef", "shared-minwindef", "um-winnt"]
 "um-wincon" = ["shared-minwindef", "shared-windef", "um-minwinbase", "um-wingdi", "um-winnt", "kernel32"]
@@ -74,7 +78,9 @@ headers = ["headers-shared", "headers-um", "headers-vc"]
 "vc-vcruntime" = []
 libraries = [
     "kernel32",
+    "ncrypt",
     "ole32"
 ]
 "kernel32" = []
 "ole32" = []
+"ncrypt" = []
diff --git a/build.rs b/build.rs
index 5a3d82be2..10b79d944 100644
--- a/build.rs
+++ b/build.rs
@@ -7,7 +7,8 @@
 use std::env::var;
 const LIBS: &'static [&'static str] = &[
     "kernel32",
-    "ole32"
+    "ncrypt",
+    "ole32",
 ];
 fn main() {
     let target = var("TARGET").unwrap();
diff --git a/i686/lib/libncrypt.a b/i686/lib/libncrypt.a
new file mode 100644
index 000000000..38becdd19
Binary files /dev/null and b/i686/lib/libncrypt.a differ
diff --git a/src/shared/mod.rs b/src/shared/mod.rs
index 1f529a354..566f06471 100644
--- a/src/shared/mod.rs
+++ b/src/shared/mod.rs
@@ -15,5 +15,6 @@
 #[cfg(feature = "shared-ntstatus")] pub mod ntstatus;
 #[cfg(feature = "shared-ntdef")] pub mod ntdef;
 #[cfg(feature = "shared-rpcndr")] pub mod rpcndr;
+#[cfg(feature = "shared-sspi")]  pub mod sspi;
 #[cfg(feature = "shared-windef")] pub mod windef;
 #[cfg(feature = "shared-wtypesbase")] pub mod wtypesbase;
diff --git a/src/shared/sspi.rs b/src/shared/sspi.rs
new file mode 100644
index 000000000..5561429b2
--- /dev/null
+++ b/src/shared/sspi.rs
@@ -0,0 +1,9 @@
+// Copyright © 2016 winapi-rs developers
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use shared::ntdef::LONG;
+
+pub type SECURITY_STATUS = LONG;
diff --git a/src/um/mod.rs b/src/um/mod.rs
index 279d089eb..0a786de01 100644
--- a/src/um/mod.rs
+++ b/src/um/mod.rs
@@ -9,6 +9,7 @@
 #[cfg(feature = "um-combaseapi")] pub mod combaseapi;
 #[cfg(feature = "um-consoleapi")] pub mod consoleapi;
 #[cfg(feature = "um-minwinbase")] pub mod minwinbase;
+#[cfg(feature = "um-ncrypt")] pub mod ncrypt;
 #[cfg(feature = "um-objidlbase")] pub mod objidlbase;
 #[cfg(feature = "um-unknwnbase")] pub mod unknwnbase;
 #[cfg(feature = "um-wincon")] pub mod wincon;
diff --git a/src/um/ncrypt.rs b/src/um/ncrypt.rs
new file mode 100644
index 000000000..78bbeed82
--- /dev/null
+++ b/src/um/ncrypt.rs
@@ -0,0 +1,13 @@
+// Copyright © 2016 winapi-rs developers
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// All files in the project carrying such notice may not be copied, modified, or distributed
+// except according to those terms.
+use shared::basetsd::ULONG_PTR;
+use shared::sspi::SECURITY_STATUS;
+
+pub type NCRYPT_HANDLE = ULONG_PTR;
+EXTERN!{stdcall fn NCryptFreeObject(
+    hObject: NCRYPT_HANDLE
+) -> SECURITY_STATUS}
diff --git a/x86_64/lib/libncrypt.a b/x86_64/lib/libncrypt.a
new file mode 100644
index 000000000..df47475f0
Binary files /dev/null and b/x86_64/lib/libncrypt.a differ