\hypertarget{sha512_8h}{\section{include/beecrypt/sha512.h File Reference}
\label{sha512_8h}\index{include/beecrypt/sha512.\-h@{include/beecrypt/sha512.\-h}}
}


S\-H\-A-\/512 hash function, headers.  


{\ttfamily \#include \char`\"{}beecrypt/beecrypt.\-h\char`\"{}}\\*
Include dependency graph for sha512.\-h\-:
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\begin{center}
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\includegraphics[width=350pt]{sha512_8h__incl}
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\end{figure}
This graph shows which files directly or indirectly include this file\-:
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\begin{figure}[H]
\begin{center}
\leavevmode
\includegraphics[width=234pt]{sha512_8h__dep__incl}
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\end{figure}
\subsection*{Data Structures}
\begin{DoxyCompactItemize}
\item 
struct \hyperlink{structsha512Param}{sha512\-Param}
\begin{DoxyCompactList}\small\item\em Holds all the parameters necessary for the S\-H\-A-\/512 algorithm. \end{DoxyCompactList}\end{DoxyCompactItemize}
\subsection*{Functions}
\begin{DoxyCompactItemize}
\item 
void \hyperlink{sha512_8h_aca5b2b8be501af37ee832d345105ceed}{sha512\-Process} (\hyperlink{structsha512Param}{sha512\-Param} $\ast$sp)
\begin{DoxyCompactList}\small\item\em This function performs the core of the S\-H\-A-\/512 hash algorithm; it processes a block of 128 bytes. \end{DoxyCompactList}\item 
int \hyperlink{sha512_8h_ab406c18a11951e105806fae3dbe92a02}{sha512\-Reset} (\hyperlink{structsha512Param}{sha512\-Param} $\ast$sp)
\begin{DoxyCompactList}\small\item\em This function resets the parameter block so that it's ready for a new hash. \end{DoxyCompactList}\item 
int \hyperlink{sha512_8h_af83c86a5e329e18ce8f428dd27153ed8}{sha512\-Update} (\hyperlink{structsha512Param}{sha512\-Param} $\ast$sp, const \hyperlink{api_8h_ab8ef12fab634c171394422d0ee8baf94}{byte} $\ast$data, size\-\_\-t size)
\begin{DoxyCompactList}\small\item\em This function should be used to pass successive blocks of data to be hashed. \end{DoxyCompactList}\item 
int \hyperlink{sha512_8h_a17e9377f30f0e0bd26035db993d08c4a}{sha512\-Digest} (\hyperlink{structsha512Param}{sha512\-Param} $\ast$sp, \hyperlink{api_8h_ab8ef12fab634c171394422d0ee8baf94}{byte} $\ast$digest)
\begin{DoxyCompactList}\small\item\em This function finishes the current hash computation and copies the digest value into {\itshape digest}. \end{DoxyCompactList}\end{DoxyCompactItemize}
\subsection*{Variables}
\begin{DoxyCompactItemize}
\item 
const \hyperlink{structhashFunction}{hash\-Function} \hyperlink{sha512_8h_a9102516dd8600391321073593bcfd425}{sha512}
\begin{DoxyCompactList}\small\item\em Holds the full A\-P\-I description of the S\-H\-A-\/512 algorithm. \end{DoxyCompactList}\end{DoxyCompactItemize}


\subsection{Detailed Description}
S\-H\-A-\/512 hash function, headers. \begin{DoxyAuthor}{Author}
Bob Deblier \href{mailto:bob.deblier@telenet.be}{\tt bob.\-deblier@telenet.\-be} 
\end{DoxyAuthor}


\subsection{Function Documentation}
\hypertarget{sha512_8h_a17e9377f30f0e0bd26035db993d08c4a}{\index{sha512.\-h@{sha512.\-h}!sha512\-Digest@{sha512\-Digest}}
\index{sha512\-Digest@{sha512\-Digest}!sha512.h@{sha512.\-h}}
\subsubsection[{sha512\-Digest}]{\setlength{\rightskip}{0pt plus 5cm}int sha512\-Digest (
\begin{DoxyParamCaption}
\item[{{\bf sha512\-Param} $\ast$}]{sp, }
\item[{{\bf byte} $\ast$}]{digest}
\end{DoxyParamCaption}
)}}\label{sha512_8h_a17e9377f30f0e0bd26035db993d08c4a}


This function finishes the current hash computation and copies the digest value into {\itshape digest}. 


\begin{DoxyParams}{Parameters}
{\em sp} & The hash function's parameter block. \\
\hline
{\em digest} & The place to store the 64-\/byte digest. \\
\hline
\end{DoxyParams}

\begin{DoxyRetVals}{Return values}
{\em 0} & on success. \\
\hline
\end{DoxyRetVals}
\hypertarget{sha512_8h_aca5b2b8be501af37ee832d345105ceed}{\index{sha512.\-h@{sha512.\-h}!sha512\-Process@{sha512\-Process}}
\index{sha512\-Process@{sha512\-Process}!sha512.h@{sha512.\-h}}
\subsubsection[{sha512\-Process}]{\setlength{\rightskip}{0pt plus 5cm}void sha512\-Process (
\begin{DoxyParamCaption}
\item[{{\bf sha512\-Param} $\ast$}]{sp}
\end{DoxyParamCaption}
)}}\label{sha512_8h_aca5b2b8be501af37ee832d345105ceed}


This function performs the core of the S\-H\-A-\/512 hash algorithm; it processes a block of 128 bytes. 


\begin{DoxyParams}{Parameters}
{\em sp} & The hash function's parameter block. \\
\hline
\end{DoxyParams}
\hypertarget{sha512_8h_ab406c18a11951e105806fae3dbe92a02}{\index{sha512.\-h@{sha512.\-h}!sha512\-Reset@{sha512\-Reset}}
\index{sha512\-Reset@{sha512\-Reset}!sha512.h@{sha512.\-h}}
\subsubsection[{sha512\-Reset}]{\setlength{\rightskip}{0pt plus 5cm}int sha512\-Reset (
\begin{DoxyParamCaption}
\item[{{\bf sha512\-Param} $\ast$}]{sp}
\end{DoxyParamCaption}
)}}\label{sha512_8h_ab406c18a11951e105806fae3dbe92a02}


This function resets the parameter block so that it's ready for a new hash. 


\begin{DoxyParams}{Parameters}
{\em sp} & The hash function's parameter block. \\
\hline
\end{DoxyParams}

\begin{DoxyRetVals}{Return values}
{\em 0} & on success. \\
\hline
\end{DoxyRetVals}
\hypertarget{sha512_8h_af83c86a5e329e18ce8f428dd27153ed8}{\index{sha512.\-h@{sha512.\-h}!sha512\-Update@{sha512\-Update}}
\index{sha512\-Update@{sha512\-Update}!sha512.h@{sha512.\-h}}
\subsubsection[{sha512\-Update}]{\setlength{\rightskip}{0pt plus 5cm}int sha512\-Update (
\begin{DoxyParamCaption}
\item[{{\bf sha512\-Param} $\ast$}]{sp, }
\item[{const {\bf byte} $\ast$}]{data, }
\item[{size\-\_\-t}]{size}
\end{DoxyParamCaption}
)}}\label{sha512_8h_af83c86a5e329e18ce8f428dd27153ed8}


This function should be used to pass successive blocks of data to be hashed. 


\begin{DoxyParams}{Parameters}
{\em sp} & The hash function's parameter block. \\
\hline
{\em data} & \\
\hline
{\em size} & \\
\hline
\end{DoxyParams}

\begin{DoxyRetVals}{Return values}
{\em 0} & on success. \\
\hline
\end{DoxyRetVals}


\subsection{Variable Documentation}
\hypertarget{sha512_8h_a9102516dd8600391321073593bcfd425}{\index{sha512.\-h@{sha512.\-h}!sha512@{sha512}}
\index{sha512@{sha512}!sha512.h@{sha512.\-h}}
\subsubsection[{sha512}]{\setlength{\rightskip}{0pt plus 5cm}sha512}}\label{sha512_8h_a9102516dd8600391321073593bcfd425}


Holds the full A\-P\-I description of the S\-H\-A-\/512 algorithm.