Data Encryption Standard (DES) | Set 1 - GeeksforGeeks Data encryption standard (DES) has been found vulnerable to very powerful attacks and therefore, it was replaced by Advanced Encryption Standard (AES) It is a block cipher that encrypts data in 64 bit blocks
DES · 理解加密算法 DES（Data Encryption Standard） 是一种对称密钥分组加密算法，1976年被美国联邦政府的国家标准局确定为联邦资料处理标准（FIPS）。