diff --git a/src/index.ts b/src/index.ts
index 429822e..fc6038b 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,8 @@
 import { S5Node } from "#node.js";
 import type { S5NodeConfig } from "#node.js";
 import type { SignedRegistryEntry } from "#service/registry.js";
+import { ed25519 } from "@noble/curves/ed25519";
+import KeyPairEd25519 from "#ed25519.js";
 
 export * from "./types.js";
 export {
@@ -13,3 +15,7 @@ export type { S5NodeConfig, SignedRegistryEntry };
 export function createNode(config: S5NodeConfig) {
   return new S5Node(config);
 }
+
+export function createKeyPair(privateKey?: Uint8Array) {
+  return new KeyPairEd25519(privateKey ?? ed25519.utils.randomPrivateKey());
+}