diff --git a/src/index.ts b/src/index.ts
index e4493e0..f13e880 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -11,6 +11,7 @@ export interface Keypair {
 
 export interface Wireguard {
 	generateKeypair(): Keypair;
+	generatePublicKey(privateKey: number[]): string;
 }
 
 export const wireguard: Wireguard = {
@@ -23,4 +24,8 @@ export const wireguard: Wireguard = {
 			privateKey: atob(privateKey),
 		};
 	},
+
+	generatePublicKey: function (privateKey) {
+		return atob(generatePublicKey(privateKey));
+	},
 };