02_advanced/uebungen/u28_password-generator/index.js

@@ -0,0 +1,20 @@
+// const crypto = require('node:crypto');
+import crypto from 'node:crypto';
+
+const PASSWORD_LENGTH = 10;
+const s = '23456789abcdefghjkmnpqrstuvwxyzABCDEFGHJKMNPQRSTUVWXYZ!.,;#$%/+*';
+
+const buf = crypto.randomBytes(PASSWORD_LENGTH);
+const password = Array.from(buf)
+  .map((byte) => s.charAt(byte % s.length))
+  .join('');
+
+console.log(password);
+
+// Übung 28: Passwortgenerator
+
+// Was macht der folgende Code?
+
+// OK: Der Titel verrät es schon. Versuche dennoch, das Programm zu verstehen! Benutze die Dokumentation der Standardbibliothek, um nachzuschlagen, was crypto.randomBytes(…) genau macht!
+
+// Bonusfrage: Warum sind in den Zeichen «1», «i» und «l» nicht enthalten, genau so wenig wie «0» und «o»?

02_advanced/uebungen/u28_password-generator/package-lock.json

@@ -0,0 +1,21 @@
+{
+  "name": "u28_password-generator",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "u28_password-generator",
+      "version": "1.0.0",
+      "dependencies": {
+        "lodash": "^4.18.1"
+      }
+    },
+    "node_modules/lodash": {
+      "version": "4.18.1",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.18.1.tgz",
+      "integrity": "sha512-dMInicTPVE8d1e5otfwmmjlxkZoUpiVLwyeTdUsi/Caj/gfzzblBcCE5sRHV/AsjuCmxWrte2TNGSYuCeCq+0Q==",
+      "license": "MIT"
+    }
+  }
+}

02_advanced/uebungen/u28_password-generator/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "u28_password-generator",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "type": "module",
+  "dependencies": {
+    "lodash": "^4.18.1"
+  }
+}