Encryption decryption in java example

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Encrypt and Decrypt in Java Ask Question. Asked 9 years, 8 months ago. Active 1 year, 5 months ago. Viewed k times. Is there a way to tell the javax. Can anyone point me to some resources on how to do this? Improve this question. Add a comment. Active Oldest Votes. KeySpec; import javax. Cipher; import javax. SecretKey; import javax.

SecretKeyFactory; import javax. DESedeKeySpec; import org. Improve this answer. This example goes a long way regarding some cryptographic functions, but it fouls up on too many others.

The example is using a String as a key. Furthermore, it silently uses the insecure ECB mode encryption. There is no authenticity or integrity control either. But in general this code is not secure. String can not be converted into byte.

In late but why use apache commons for Base Article Contributed By :. Easy Normal Medium Hard Expert. Writing code in comment? Please use ide. Load Comments. What's New. Most popular in Java. Most visited in Java Programs. We use cookies to ensure you have the best browsing experience on our website. Search for:. The core java libraries provide good support for all aspects of encryption and decryption using AES so no external libraries are required.

The key pair consists of a public key and a private key. Key size assigned here is 64 bits. It works only for the key size of 64 bits. Encryption and decryption method is written based on DES algorithm.