fix authentication + public key linked to socket.io

tests/authentication.test.js

@@ -29,9 +29,45 @@ describe('authentication module', () => {
             const result = await authentication.verifySignature(encodedData, signature, publicKeys);
             expect(result).toBe(pemKey);
 
-            let fakeKey = `-----BEGIN PUBLIC KEY-----MCowBQYDK2VwAyEAmrBLT6lyiFh/eUticsIFNY6AkjXuQPqj0Qvb99pCJJk=-----END PUBLIC KEY-----`
+            let fakeKey = `-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAmrBLT6lyiFh/eUticsIFNY6AkjXuQPqj0Qvb99pCJJk=\n-----END PUBLIC KEY-----`
             const result2 = await authentication.verifySignature(encodedData, signature, [fakeKey,]);
             expect(result2).toBe(null);
         });
+
+        it('encoding and decoding test', async () => {
+            const testkey = '-----BEGIN PRIVATE KEY-----\nMC4CAQAwBQYDK2VwBCIEILXfcMirlUiI/o/r+8rK7ZIP0fyAMynxYzJXCI6BJHPk\n-----END PRIVATE KEY-----';
+            const base64 = testkey.replace(`-----BEGIN PRIVATE KEY-----`, '').replace(`-----END PRIVATE KEY-----`, '').trim();
+
+            const derBuffer = Buffer.from(base64, 'base64');
+
+            let privkey = await crypto.subtle.importKey(
+                "pkcs8",
+                derBuffer,
+                {
+                    name: "Ed25519",
+                },
+                true,
+                ["sign"],
+            );
+            const msg2 = '12f4b99e3784ac2e8b95427533a3dbc4';
+            const encoder2 = new TextEncoder();
+            const encodedData2 = encoder2.encode(msg2);
+            const signature2 = await crypto.subtle.sign(
+                {
+                    name: "Ed25519",
+                },
+                privkey,
+                encodedData2,
+            );
+            const signatureBase64 = Buffer.from(signature2).toString('base64');
+
+            const sig = Buffer.from(signatureBase64, 'base64');
+
+            let pemKey2 = '-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEALrj4A3Vftz5TgWXEHi5KG+HD+uQLGB3bGc4TprDi9kE=\n-----END PUBLIC KEY-----'
+            const publicKeys2 = [pemKey2,];
+            const result3 = await authentication.verifySignature(encodedData2, sig, publicKeys2);
+            expect(result3).toBe(pemKey2);
+
+        });
     });
 });