diff --git a/jose-jwe-jws.d.ts b/jose-jwe-jws.d.ts
new file mode 100644
index 0000000..e6163f1
--- /dev/null
+++ b/jose-jwe-jws.d.ts
@@ -0,0 +1,89 @@
+export interface EncryptionResult {
+    cipher: ArrayBuffer;
+    tag: ArrayBuffer;
+}
+
+export interface VerificationResult {
+    kid: string;
+    verified: boolean;
+}
+
+export interface WebCryptographer {
+    new(): WebCryptographer;
+    setKeyEncryptionAlgorithm(algo: string):void;
+    setContentSignAlgorithm(algo: string):void;
+    createIV():ArrayBufferView;
+    createCek():PromiseLike<CryptoKey>;
+    wrapCek():PromiseLike<ArrayBuffer>;
+    unwrapCek():PromiseLike<ArrayBuffer>;
+    encrypt(iv: Uint8Array, aad: Uint8Array, cek: CryptoKey|PromiseLike<CryptoKey>, plaintext: Uint8Array):PromiseLike<EncryptionResult>;
+    decrypt(cek: CryptoKey|PromiseLike<CryptoKey>, aad: Uint8Array, iv: Uint8Array, ciphertext: Uint8Array, tag: Uint8Array):PromiseLike<string>;
+    sign(aad: Object, payload: string|Object, key:CryptoKey|PromiseLike<CryptoKey>):PromiseLike<ArrayBuffer>;
+    verify(aad: string, payload: string, signature: Uint8Array, key: CryptoKey|PromiseLike<CryptoKey>, kid: string):PromiseLike<VerificationResult>;
+}
+
+export interface JwkSet {
+    keys: JsonWebKey[];
+}
+
+export interface Headers {
+    alg: string;
+    jku?: string;
+    jwk?: JsonWebKey;
+    kid?: string;
+    x5u?: string;
+    x5c?: string[];
+    x5t?: string;
+    'x5t#S256'?: string;
+    typ?: string;
+    cty?: string;
+    crit?: string[];
+}
+
+export interface Jose {
+    caniuse():boolean;
+    WebCryptographer:WebCryptographer;
+}
+
+export interface SignedJws {
+    JsonSerialize():Object;
+    CompactSerialize():string;
+}
+
+export interface Signer {
+    new(cryptographer: WebCryptographer):Signer;
+    addSigner(pk: CryptoKey, kid: string, aad?: Object, header?: Object):PromiseLike<string>;
+    sign(payload: any, aad?: Object, header?: Object):PromiseLike<SignedJws>;
+}
+
+export interface Verifier {
+    new(cryptographer: WebCryptographer, msg: string,
+        keyfinder?: (kid: string) => PromiseLike<CryptoKey>):Verifier;
+    addRecipient(pk: CryptoKey|string|JsonWebKey, kid?: string, alg?: string):PromiseLike<string>;
+    verify(): PromiseLike<VerificationResult[]>;
+}
+
+export interface JoseJWS {
+    Signer:Signer;
+    Verifier:Verifier;
+}
+
+export interface Encrypter {
+    new(cryptographer: WebCryptographer, pubkey: CryptoKey|PromiseLike<CryptoKey>):Encrypter;
+    addHeader(k: string, v: string):void;
+    encrypt(plaintext: string):PromiseLike<string>;
+}
+
+export interface Decrypter {
+    new(cryptographer: WebCryptographer, key: CryptoKey|PromiseLike<CryptoKey>):Decrypter;
+    decrypt(ciphertext: string):PromiseLike<string>;
+}
+
+export interface JoseJWE {
+    Encrypter:Encrypter;
+    Decrypter:Decrypter;
+}
+
+export var Jose: Jose;
+export var JoseJWE: JoseJWE;
+export var JoseJWS: JoseJWS;
diff --git a/package.json b/package.json
index 9ae7428..34ccd94 100644
--- a/package.json
+++ b/package.json
@@ -21,5 +21,6 @@
     "karma-coverage": "^0.2.7",
     "karma-qunit": "^0.1.4",
     "qunitjs": "^1.15.0"
-  }
+  },
+  "typings": "jose-jwe-jws.d.ts"
 }