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Diffstat (limited to 'doc/tex/ciphers.tex')
| -rw-r--r-- | doc/tex/ciphers.tex | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/doc/tex/ciphers.tex b/doc/tex/ciphers.tex index 06f0e6b13b..d1ed592256 100644 --- a/doc/tex/ciphers.tex +++ b/doc/tex/ciphers.tex @@ -1,14 +1,15 @@ -\section{Symmetric encryption algorithms} -\par -Confidentiality is provided by using block encryption algorithms like {\bf 3DES}, -{\bf AES\footnote{AES or Advanced Encryption Standard is actually the RIJNDAEL algorithm. This is the -algorithm that will replace DES.}}, or +\subsection{Encryption algorithms used in the record layer} +\index{Symmetric encryption algorithms} +Confidentiality in the record layer is achieved by using symmetric block +encryption algorithms like {\bf 3DES}, {\bf AES\footnote{AES or Advanced +Encryption Standard is actually the RIJNDAEL algorithm. This is the +algorithm that replaced DES.}}, or stream algorithms like {\bf ARCFOUR\_128\footnote{ARCFOUR\_128 is a compatible algorithm with RSA's RC4 algorithm, which is considered to be a trade secret.}} See \hyperref{fig:ciphers}{figure }{}{fig:ciphers} for a complete list. Ciphers are encryption algorithms that use a single (secret) key to encrypt and decrypt data. Block algorithms in TLS also provide protection against statistical analysis of the data. \gnutls{} makes use of this property -thus, if you're operating in \tlsI{} mode, a random number of blocks will be +thus, if you're using the \tlsI{} protocol, a random number of blocks will be appended to the data. This will prevent eavesdroppers from guessing the actual data size. @@ -59,6 +60,7 @@ MAC\_SHA & SHA is a hash algorithm by NSA. Outputs 160 bits of data. \hline \end{tabular} \caption{Supported MAC algorithms} +\index{MAC algorithms} \label{fig:mac} \end{figure} |