AndroidCryptoDemystify the Secure Dynamic Message with NTAG 424 DNA NFC tags (Android/Java) Part 2This article will help you in understanding the “mysterious” Secure Dynamic Message (“SDM”) or Secure Unique Number (“SUN”) feature…Jun 19Jun 19
AndroidCryptoDemystify the Secure Dynamic Message with NTAG 424 DNA NFC tags (Android/Java) Part 1This article will help you in understanding the “mysterious” Secure Dynamic Message (“SDM”) or Secure Unique Number (“SUN”) feature…Jun 19Jun 19
AndroidCryptoMifare DESFire EVx NFC tag: Change the Master Application Key from DES to AES (Android/Java)This article shows you how to change the Master Application Key on a Mifare DESFire NFC tag from DES key type to AES key type. This will be…Jun 19Jun 19
AndroidCryptoDesign an Access Control System based on Mifare DESFire EV3 NFC-tagsAn Access Control System is mandatory for each company or authority building. In former times the access was based on keys that were issued…Mar 19Mar 19
AndroidCryptoMifare DESFire EV3 — a beginner tutorial (Android Java) using the DESFire for Android tools.Some days ago I was asked if there are tutorials available that show how to work with a Mifare DESFire NFC card *), but there is nothing…Feb 18Feb 18
AndroidCryptoFinish the setup of a Firebase project for an Android app tutorial (step by step)This tutorial is about finishing the set up the of a Firebase project for an Android app, but not for a product like “Authentication” or…Dec 24, 2023Dec 24, 2023
AndroidCryptoSetup of Firebase Storage tutorial (step by step)The Firebase environment needs a setup for each product, and in this article I’m setting up the Firebase Storage product. It is part 5 of…Dec 24, 2023Dec 24, 2023
AndroidCryptoSetup of a Cloud Firestore Database tutorial (step by step)The Firebase environment needs a setup for each product, and in this article I’m setting up the Cloud Firestore Database product. It is…Dec 24, 2023Dec 24, 2023
AndroidCryptoSetup of a Firebase Realtime Database tutorial (step by step)The Firebase environment needs a setup for each product, and in this article I’m setting up the Realtime Database product. It is part 3 of…Dec 24, 2023Dec 24, 2023
AndroidCryptoSetup of Firebase Authentication tutorial (step by step)The Firebase environment needs a setup for each product, and in this article I’m setting up the Authentication product. It is part 2 of an…Dec 24, 2023Dec 24, 2023