explain AEAD

diff --git a/src/cipher_suites/architecture.tex b/src/cipher_suites/architecture.tex
index 363ae11..742f9bf 100644 (file)
--- a/src/cipher_suites/architecture.tex
+++ b/src/cipher_suites/architecture.tex
@@ -13,7 +13,7 @@ encryption schemes. It consists of the following components:
 ``An (interactive) key exchange protocol is a method whereby parties who do not 
 share any secret information can generate a shared, secret key by communicating 
 over a public channel. The main property guaranteed here is that an 
-eavesdroppin adversary who sees all the messages sent over the communication 
+eavesdropping adversary who sees all the messages sent over the communication 
 line does not learn anything about the resulting secret key.'' \cite{katz2008introduction}
 
 Example: \texttt{DHE}
@@ -35,11 +35,9 @@ A MAC ensures that the message has not been tampered with (integrity).
 
 Examples: \texttt{SHA256}
 
-\todo{ explain that this is either MAC ...or ... this:}
-
 \item{\it Authenticated Encryption with Associated Data (AEAD):}
-An encryption scheme which provides for confidentiality, integrity and authenticity.
-\todo{explain more? link? / reference }
+AEAD is a optional scheme and class for authenticated encryption block-cipher modes
+which take care of encryption as well as authentication (e.g. GCM, CCM mode). 
 
 Examples: \texttt{AES256-GCM}