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Difference between DES and Blowfish algorithm

Muthiah Raja
Greenhorn

Joined: Feb 06, 2005
Posts: 9
Is Blowfish and DES algorithm are same. Otherwise I want to know difference between these.

Kindly help me.
Grant Gainey
Ranch Hand

Joined: Oct 16, 2005
Posts: 65
Blowfish and DES are both symmetric-key 64-bit block encryption algorithms. That's pretty much the end of their similarities. Blowfish is faster and more secure than DES. (Then again, pretty much anything is faster and more secure than DES...) DES is more generally available, because it's been around longer and because nobody official cares if you implement DES.

These days, I'd choose AES first, and then Blowfish, if I were looking for a symmetric cipher to use.

Grant


In Theory, there is no difference between theory and practice.<br />In Practice, there is no relationship between theory and practice.
 
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subject: Difference between DES and Blowfish algorithm