view-source:http://challenges.kernelcon.org:9000/flag?token=4dc928d96addea45ef998caacfec29d9cae87eb1d34e445776e1d2ec33b7c376d4c72d020b6df5579d7c91bcbcc6bc10
	<h1>Unexpected token = in JSON at position 0</h1>
	<h2></h2>
	<pre>SyntaxError: Unexpected token = in JSON at position 0
		at JSON.parse (&lt;anonymous&gt;)
		at validateToken (/code/index.js:40:24)
		at /code/index.js:57:3
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at next (/code/node_modules/express/lib/router/route.js:137:13)
		at Route.dispatch (/code/node_modules/express/lib/router/route.js:112:3)
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at /code/node_modules/express/lib/router/index.js:281:22
		at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
		at next (/code/node_modules/express/lib/router/index.js:275:10)</pre>


view-source:http://challenges.kernelcon.org:9000/flag?token=4dc928d96a4dea45ef998caacfec29d9cae87eb1d34e445776e1d2ec33b7c376d4c72d020b6df5579d7c91bcbcc6bc10
	<h1>wrong user</h1>
	<h2></h2>
	<pre>Error: wrong user
		at validateToken (/code/index.js:47:11)
		at /code/index.js:57:3
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at next (/code/node_modules/express/lib/router/route.js:137:13)
		at Route.dispatch (/code/node_modules/express/lib/router/route.js:112:3)
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at /code/node_modules/express/lib/router/index.js:281:22
		at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
		at next (/code/node_modules/express/lib/router/index.js:275:10)
		at SendStream.error (/code/node_modules/serve-static/index.js:121:7)</pre>


view-source:http://challenges.kernelcon.org:9000/flag?token=4dc928d96a4dea45ef998caacfec29d9cae87eb1d34e445776e1d2ec33b7c376d4c72d020b6df5579d7c91bcbcc6bc1
	<h1>The argument &#39;encoding&#39; is invalid for data of length 95. Received &#39;hex&#39;</h1>
	<h2></h2>
	<pre>TypeError [ERR_INVALID_ARG_VALUE]: The argument &#39;encoding&#39; is invalid for data of length 95. Received &#39;hex&#39;
		at new NodeError (node:internal/errors:371:5)
		at validateEncoding (node:internal/validators:204:11)
		at Decipher.update (node:internal/crypto/cipher:174:5)
		at validateToken (/code/index.js:38:28)
		at /code/index.js:57:3
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at next (/code/node_modules/express/lib/router/route.js:137:13)
		at Route.dispatch (/code/node_modules/express/lib/router/route.js:112:3)
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at /code/node_modules/express/lib/router/index.js:281:22</pre>



view-source:http://challenges.kernelcon.org:9000/flag?token=4dc928d96a4dea45ef998caacfec29d9cae87eb1d34e445776e1d2ec33b7c376d4c72d020b6df5579d7c91bcbcc6bc
	<h1>error:0606506D:digital envelope routines:EVP_DecryptFinal_ex:wrong final block length</h1>
	<h2></h2>
	<pre>Error: error:0606506D:digital envelope routines:EVP_DecryptFinal_ex:wrong final block length
		at Decipher.final (node:internal/crypto/cipher:193:29)
		at validateToken (/code/index.js:39:25)
		at /code/index.js:57:3
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at next (/code/node_modules/express/lib/router/route.js:137:13)
		at Route.dispatch (/code/node_modules/express/lib/router/route.js:112:3)
		at Layer.handle [as handle_request] (/code/node_modules/express/lib/router/layer.js:95:5)
		at /code/node_modules/express/lib/router/index.js:281:22
		at Function.process_params (/code/node_modules/express/lib/router/index.js:335:12)
		at next (/code/node_modules/express/lib/router/index.js:275:10)</pre>