feat: release authentication laboratories 0.3.0

tests/otp/otp.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import { utf8ToBytes } from "../../src/crypto/encoding";
 import {
   hotp,
+  resynchronizeHotp,
   totp,
   totpCounter,
   verifyHotp,
@@ -41,6 +42,33 @@ describe("HOTP", () => {
     });
     expect(match).toMatchObject({ counter: 4n, delta: 3 });
   });
+
+  it("resynchronizes with one or two bounded consecutive codes", async () => {
+    const secret = utf8ToBytes("12345678901234567890");
+    await expect(
+      resynchronizeHotp({
+        firstCode: "338314",
+        secondCode: "254676",
+        secret,
+        counter: 1n,
+        lookAhead: 10,
+      }),
+    ).resolves.toEqual({
+      matchedCounter: 4n,
+      nextCounter: 6n,
+      distance: 3,
+      confidence: "consecutive-codes",
+    });
+    await expect(
+      resynchronizeHotp({
+        firstCode: "338314",
+        secondCode: "000000",
+        secret,
+        counter: 1n,
+        lookAhead: 10,
+      }),
+    ).resolves.toBeNull();
+  });
 });
 
 describe("TOTP", () => {