The Data Encryption Standard (DES), while now superseded by more robust algorithms, occupies a pivotal place in the history of cryptography. Developed in the 1970s, this symmetric-key encryption scheme dominated the landscape for over two decades, protecting sensitive information from prying eyes. Its influence can still be perceived today, as its

Banjir bukan hanya merugikan dari segi kerusakan properti, tetapi juga membahayakan keselamatan manusia. Jika ditinjau dari peta dunia dan posisi geografisnya, wilayah Indonesia memiliki six persen persediaan air dunia, atau sekitar 21 persen persediaan air pasifik. Namun, kenyataannya Indonesia masih saja terkena dampak krisis air bersih karena b