diff --git a/object-hash/object-hash-tests.ts b/object-hash/object-hash-tests.ts
new file mode 100644
index 0000000000..e72c9e4891
--- /dev/null
+++ b/object-hash/object-hash-tests.ts
@@ -0,0 +1,48 @@
+/// <reference path="object-hash.d.ts" />
+
+import hash = require('object-hash');
+
+var hashed: string;
+
+var obj = { any: true };
+
+// hash object
+hashed = hash(obj);
+
+hashed = hash.sha1(obj);
+hashed = hash.keys(obj);
+hashed = hash.MD5(obj);
+hashed = hash.keysMD5(obj);
+
+var options = {
+	algorithm: 'md5',
+	encoding: 'utf8',
+	excludeValues: true
+};
+
+hashed = hash(obj, options);
+
+// HashTable
+var table: ObjectHash.HashTable;
+table = hash.HashTable();
+table = hash.HashTable(options);
+
+table = table.add(obj);
+table = table.add(obj, obj);
+table = table.remove(obj);
+table = table.remove(obj, obj);
+
+var has: boolean = table.hasKey('whatEver');
+var value: any = table.getValue('whatEver');
+var count: number = table.getCount('whatEver');
+
+var tableObject = table.table();
+tableObject['whatEver'].value;
+tableObject['whatEver'].count;
+
+var tableArray = table.toArray();
+tableArray.shift().value;
+tableArray.pop().count;
+tableArray[2].hash;
+
+table = table.reset();
diff --git a/object-hash/object-hash.d.ts b/object-hash/object-hash.d.ts
new file mode 100644
index 0000000000..8faf058dae
--- /dev/null
+++ b/object-hash/object-hash.d.ts
@@ -0,0 +1,52 @@
+// Type definitions for object-hash v0.5.0
+// Project: https://github.com/puleos/object-hash
+// Definitions by: Michael Zabka <https://github.com/misak113/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module ObjectHash {
+	export interface IOptions {
+		algorithm?: string;
+		encoding?: string;
+		excludeValues?: boolean;
+	}
+
+	interface HashTableItem {
+		value: any;
+		count: number;
+	}
+
+	interface HashTableItemWithKey extends HashTableItem {
+		hash: string;
+	}
+
+	export interface HashTable {
+		add(...values: any[]): HashTable;
+		remove(...values: any[]): HashTable;
+		hasKey(key: string): boolean;
+		getValue(key: string): any;
+		getCount(key: string): number;
+		table(): { [key: string]: HashTableItem };
+		toArray(): HashTableItemWithKey[];
+		reset(): HashTable;
+	}
+
+	export interface HashTableStatic {
+		(options?: IOptions): HashTable;
+	}
+
+	export interface Hash {
+		(object: any, options?: IOptions): string;
+		sha1(object: any): string;
+		keys(object: any): string;
+		MD5(object: any): string;
+		keysMD5(object: any): string;
+		HashTable: HashTableStatic;
+	}
+
+	export var HashStatic: Hash;
+}
+
+declare module 'object-hash' {
+	import HashStatic = ObjectHash.HashStatic;
+	export = HashStatic;
+}