Tariq, At 2016-01-13 16:58:03 +0500 Tariq Saraj <tariqsa...@gmail.com> wrote:
> I am working on my MS(InfoSec) Final Thesis "Lightweight solution > for confidentiality in DNS". > I just want to raise an issue about DNS confidentiality. > Encryption is only strong when we don't know about both decryption key and > plaintext. I am by no means a cryptographer, but I am pretty certain that this is not true. https://en.wikipedia.org/wiki/Known-plaintext_attack "Modern ciphers such as Advanced Encryption Standard are not currently known to be susceptible to known-plaintext attacks." > In case with DNS, plaintext is always known. It just a matter of couple of > tries with domain names such as google, facebook, twitter, hotmail, yahoo > and youtube etc. > A simple xoring can return original key used for encryption. Cheers, -- Shane _______________________________________________ dns-privacy mailing list dns-privacy@ietf.org https://www.ietf.org/mailman/listinfo/dns-privacy