diff --git a/types/node-forge/index.d.ts b/types/node-forge/index.d.ts
index 9162201fe1..2d41d55ccd 100644
--- a/types/node-forge/index.d.ts
+++ b/types/node-forge/index.d.ts
@@ -13,6 +13,7 @@
 //                 Sascha Zarhuber  <https://github.com/saschazar21>
 //                 Rogier Schouten  <https://github.com/rogierschouten>
 //                 Ivan Aseev       <https://github.com/aseevia>
+//                 Wiktor Kwapisiewicz <https://github.com/wiktor-k>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.6
 
@@ -678,6 +679,15 @@ declare module "node-forge" {
         }
 
         function createSignedData(): PkcsSignedData;
+
+        interface PkcsEnvelopedData {
+            content?: string | util.ByteBuffer;
+            addRecipient(certificate: pki.Certificate): void;
+            encrypt(): void;
+            toAsn1(): asn1.Asn1;
+        }
+
+        function createEnvelopedData(): PkcsEnvelopedData;
     }
 
     namespace pkcs5 {
diff --git a/types/node-forge/node-forge-tests.ts b/types/node-forge/node-forge-tests.ts
index fd5e6c2b30..b40d754e67 100644
--- a/types/node-forge/node-forge-tests.ts
+++ b/types/node-forge/node-forge-tests.ts
@@ -405,3 +405,12 @@ if (forge.util.fillString('1', 5) !== '11111') throw Error('forge.util.fillStrin
         encoding: 'binary'
     });
 }
+
+{
+    let p7 = forge.pkcs7.createEnvelopedData();
+    let cert = forge.pki.certificateFromPem('PEM');
+    p7.addRecipient(cert);
+    p7.content = forge.util.createBuffer('content');
+    p7.encrypt();
+    let asn1: forge.asn1.Asn1 = p7.toAsn1();
+}