<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >hash_hmac_file</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="hash Functions" HREF="ref.hash.html"><LINK REL="PREVIOUS" TITLE="hash_final" HREF="function.hash-final.html"><LINK REL="NEXT" TITLE="hash_hmac" HREF="function.hash-hmac.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.hash-final.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.hash-hmac.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.hash-hmac-file" ></A >hash_hmac_file</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN69440" ></A ><P > (no version information, might be only in CVS)</P >hash_hmac_file -- Generate a keyed hash value using the HMAC method and the contents of a given file</DIV ><DIV CLASS="refsect1" ><A NAME="AEN69443" ></A ><H2 >Descrição</H2 >string <B CLASS="methodname" >hash_hmac_file</B > ( string algo, string filename, string key [, bool raw_output] )<BR ></BR ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN69460" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >algo</CODE ></DT ><DD ><P > Name of selected hashing algorithm (i.e. "md5", "sha256", "haval160,4", etc..) </P ></DD ><DT ><CODE CLASS="parameter" >filename</CODE ></DT ><DD ><P > URL describing location of file to be hashed; Supports fopen wrappers. </P ></DD ><DT ><CODE CLASS="parameter" >key</CODE ></DT ><DD ><P > Shared secret key used for generating the HMAC variant of the message digest. </P ></DD ><DT ><CODE CLASS="parameter" >raw_output</CODE ></DT ><DD ><P > When set to <TT CLASS="constant" ><B >TRUE</B ></TT >, outputs raw binary data. Default value (<TT CLASS="constant" ><B >FALSE</B ></TT >) outputs lowercase hexits. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN69486" ></A ><H2 >Valores de retornado</H2 ><P > Returns a string containing the calculated message digest as lowercase hexits unless <CODE CLASS="parameter" >raw_output</CODE > is set to true in which case the raw binary representation of the message digest is returned. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN69490" ></A ><H2 >Exemplos</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN69493" ></A ><P ><B >Exemplo 1. <B CLASS="function" >hash_hmac_file()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">/* Create a file to calculate hash of */<br /></font><font color="#0000BB">file_put_contents</font><font color="#007700">(</font><font color="#DD0000">'example.txt'</font><font color="#007700">, </font><font color="#DD0000">'The quick brown fox jumped over the lazy dog.'</font><font color="#007700">);<br /><br />echo </font><font color="#0000BB">hash_hmac_file</font><font color="#007700">(</font><font color="#DD0000">'md5'</font><font color="#007700">, </font><font color="#DD0000">'example.txt'</font><font color="#007700">, </font><font color="#DD0000">'secret'</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ><P >O exemplo acima irá imprimir:</P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >7eb2b5c37443418fc77c136dd20e859c</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN69499" ></A ><H2 >Veja também</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.hash-hmac.html" ><B CLASS="function" >hash_hmac()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.hash-file.html" ><B CLASS="function" >hash_file()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.hash-final.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.hash-hmac.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >hash_final</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.hash.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >hash_hmac</TD ></TR ></TABLE ></DIV ></BODY ></HTML >