1 files changed, 31 insertions, 1 deletions
diff --git a/extensions/crypto/lib.deno_crypto.d.ts b/extensions/crypto/lib.deno_crypto.d.ts
index 854696676..c787f5e3c 100644
--- a/extensions/crypto/lib.deno_crypto.d.ts
+++ b/extensions/crypto/lib.deno_crypto.d.ts
@@ -6,7 +6,7 @@
 declare var crypto: Crypto;
 
 declare interface Crypto {
-  readonly subtle: null;
+  readonly subtle: SubtleCrypto;
   getRandomValues<
     T extends
       | Int8Array
@@ -25,3 +25,33 @@ declare interface Crypto {
   ): T;
   randomUUID(): string;
 }
+
+interface Algorithm {
+  name: string;
+}
+
+/** This Web Crypto API interface provides a number of low-level cryptographic functions. It is accessed via the Crypto.subtle properties available in a window context (via Window.crypto). */
+interface SubtleCrypto {
+  digest(
+    algorithm: AlgorithmIdentifier,
+    data:
+      | Int8Array
+      | Int16Array
+      | Int32Array
+      | Uint8Array
+      | Uint16Array
+      | Uint32Array
+      | Uint8ClampedArray
+      | Float32Array
+      | Float64Array
+      | DataView
+      | ArrayBuffer,
+  ): Promise<ArrayBuffer>;
+}
+
+declare var SubtleCrypto: {
+  prototype: SubtleCrypto;
+  new (): SubtleCrypto;
+};
+
+type AlgorithmIdentifier = string | Algorithm;