diff --git a/types/cuint/cuint-tests.ts b/types/cuint/cuint-tests.ts
new file mode 100644
index 0000000000..6a5abe305e
--- /dev/null
+++ b/types/cuint/cuint-tests.ts
@@ -0,0 +1,5 @@
+import { UINT32 } from "cuint";
+
+const u = UINT32(1, 2);
+const d = u.fromBits(4, 5, 6);
+d.add(u.multiply(d)).rotl(17).subtract(u).shiftRight(123);
diff --git a/types/cuint/index.d.ts b/types/cuint/index.d.ts
new file mode 100644
index 0000000000..4b20b33973
--- /dev/null
+++ b/types/cuint/index.d.ts
@@ -0,0 +1,39 @@
+// Type definitions for cuint 0.2
+// Project: https://github.com/pierrec/js-cuint
+// Definitions by:  Lukas Tetzlaff <https://github.com/ltetzlaff>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface Uint {
+    clone(): this;
+    add(x: this): this;
+    subtract(x: this): this;
+    multiply(x: this): this;
+    xor(x: this): this;
+    rotl(n: number): this;
+    shiftRight(n: number): this;
+
+    fromNumber(n: number): this;
+    fromBits(...bits: number[]): this;
+
+    _low: number;
+    _high: number;
+
+    toString(base?: number): string;
+}
+
+export interface UintConstructor<T extends Uint> {
+    // called as a function:
+    (low: number, high?: number): T;
+    // tslint:disable-next-line:unified-signatures
+    (text: string, radix?: number): T;
+
+    // called as a constructor:
+    new (low: number, high?: number): T;
+    // tslint:disable-next-line:unified-signatures
+    new (text: string, radix?: number): T;
+
+    prototype: T;
+  }
+
+export const UINT64: UintConstructor<Uint>;
+export const UINT32: UintConstructor<Uint>;
diff --git a/types/cuint/tsconfig.json b/types/cuint/tsconfig.json
new file mode 100644
index 0000000000..44d73f84be
--- /dev/null
+++ b/types/cuint/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "cuint-tests.ts"
+    ]
+}
diff --git a/types/cuint/tslint.json b/types/cuint/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/cuint/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }