Hiding a Message in an eID Photo: A Failed Experiment
2025-05-06

A programmer attempts to embed a blog advertisement in his electronic ID photo. Using tools like ImageMagick, he inserts nearly invisible logos and text. However, during the ID card production process, this hidden information is removed. Although the experiment fails, he meticulously documents the entire process, including image manipulation techniques and legal analysis, showcasing the joy of technical exploration and attention to detail.