PTCT_EN(data): Takes some text and encodes it into Base64 (like turning it into a scrambled message). PTCT_DE(encoded_data): Takes the scrambled message and turns it back into the original text.

First the data is converted into a binary string, divided into 6 bit chunks and stored. Each 6 bit chunk can be mapped to one of 64 possible values which are ASCII characters based on the base64 table ...

Web APIとの連携や、フロントエンドから送られてくるデータを処理していると、一見すると無意味な英数字の羅列に遭遇することがあります。「iVBORw0KGgo...」のように延々と続く長い文字列。これこそが、画像やPDFなどのバイナリデータをテキスト形式で表現 ...

In the realm of cybersecurity, staying ahead of evolving threats is paramount. One powerful approach is through the creation of Yara rules, which are used to identify and detect malware based on ...

Base64 encoding plays a crucial role in transforming binary data into a text-based format, enabling seamless transmission over channels that only support text content. This encoding scheme is ...