Implementing encryption and decryption in java

Hi,

I need to implement encryption and decryption in java.

Please let me know which encryption method can be implemented. MD5 or DES

I could find MD5 encryption sample java code. But for decryption i couldnot find.

Please help me in proceeding further.

Thanks,
Susmitha.

MD5 isn't an encryption algorithm, but a one-way cryptographic hash function. You can't decrypt the resulting hash value.
For encryption / decryption you'd need a symmetric key algorithm like DES, which you also mentioned in your starting post.
The Java Cryptograhpy Extension reference guide should provide you with the information you need to get going.

Also see this faq. It might help.