Introduction - If you have any usage issues, please Google them yourself
Data encryption algorithm (Data Encryption Algorithm, DEA) of the Data Encryption Standard (Data Encryption Standard, DES) is the standard description, it comes from IBM' s research work, and in 1997 formally adopted by the U.S. government. It is probably the most widely used secret key systems, especially in the protection of the security of financial data, the initial development of the DES is embedded in hardware.