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There is a difference between "symmetric key encryption" and "symmetric encryption".
by cbsmith 12y ago
There is a difference between "symmetric key encryption" and "symmetric encryption".
- dlitz 12y agoIs there? The usual term for what you're describing is a "stream cipher" or a "streaming-mode cipher".
- zamalek 12y agoI think the objection here comes from not stating that it's AES in CTR mode. AES is not a symmetric algorithm, AES in CTR mode is.
- cbsmith 12y agoThe other poster was talking about a stream cipher... However, I'd point out that DES is a block cipher (thought it can be turned in to streaming cipher much like AES), and its decryption is encryption is with the keys in reverse order. This is how triple-DES can work as it does.