By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
DES uses 56-bit keys. 3DES allows you to use one (56), two (112) or three (168) keys. I suppose an implementation of DES would allow for padding to get to 128, but I suspect someone misread (as IDEA, RC4/128 and AES all use 128-bit keys).
For more information on this topic, visit these other SearchSecurity resources:
Ask the Expert: Encryption above 3-DES
Ask the Expert: The differences between AES and DES
Best Web Links: Encryption
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.