DES Encryption Tool

Encrypt text using DES (Data Encryption Standard). Free online DES encryption tool with client-side processing.

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What is DES Encryption?

DES (Data Encryption Standard) is a symmetric-key algorithm for encrypting electronic data. Developed in the 1970s, it uses a 56-bit key and operates on 64-bit blocks.

How to Use DES Encryption

When to Use DES Encryption

How DES Encryption Works

DES uses a Feistel network structure with 16 rounds of permutation and substitution operations. Despite its historical significance, DES is now considered insecure due to its short key length.

Common Use Cases

  • Legacy system support
  • Educational purposes
  • Understanding encryption history

Security Note

⚠️ DES is cryptographically broken and should NOT be used for protecting sensitive data. Use AES or Triple DES instead.

FAQs

1 Is DES still secure?

No, DES is no longer considered secure. Its 56-bit key can be brute-forced with modern hardware. Use AES-128 or higher for security.

2 When should I use DES?

Only for legacy system compatibility or educational purposes. Never for protecting new or sensitive data.