DES Encryption/Decryption

Plaintext

Mode
Padding
IV
Key
Output Encode

Ciphertext

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About the Online DES Encryption/Decryption Tool

The Online DES Encryption/Decryption Tool supports secure data encryption operations and is a widely used symmetric key encryption technology.


• Principles of DES

DES (Data Encryption Standard) is a symmetric key encryption technology that encrypts and decrypts data using a fixed-length key (usually 56 bits). Developed by IBM and adopted as an encryption standard by the U.S. National Standards Institute in 1977.


• Features

Efficiency: DES is an efficient encryption algorithm suitable for encrypting large volumes of data.
Widespread Use: Although more secure algorithms like AES have gradually replaced DES, it is still used in many legacy systems.


• Use Cases

Data Protection: DES provides basic encryption protection in banking systems, government agencies, and other areas requiring data protection.
Legacy System Support: In many older systems, DES continues to protect sensitive information.



DES (Wiki)