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<TITLE>Listing All Available Message Authentication Code (MAC) Key Generators
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<META CONTENT="Patrick Chan" NAME="AUTHOR">
<META CONTENT="Code Examples from The Java Developers Almanac 1.4" NAME="DESCRIPTION">
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<TD rowspan="3"><A HREF="/?l=ex"><IMG BORDER="0" ALIGN="BOTTOM" HSPACE="10" SRC="/egs/almanac14a.jpg"></A></TD><TD VALIGN="top"><font face="Times" size="6"><b>The Java Developers Almanac 1.4</b></font>
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<B><A HREF="../javax.crypto/pkg.html">javax.crypto</A></B><font color="#666666" SIZE="-2">
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<B><A HREF="../javax.crypto/pkg.html#MAC">MAC</A></B><font color="#666666" SIZE="-2">
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<h3>
e467.
Listing All Available Message Authentication Code (MAC) Key Generators</h3>
Retrieving the list of available MAC algorithms requires checking the
services provided by all registered providers.
<pre>
// This method is implemented in <a href="../java.security/ListServices.html" class="eglink"><font size="-1"><b>e194</b> Listing All Available Cryptographic Services</font></a>
String[] names = getCryptoImpls("Mac");
</pre>
An example of the output:
<pre>
HmacSHA1
HmacMD5
</pre>
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Related Examples
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e468. <a class="eglink" href="GenMacKey.html?l=rel">
Generating a Message Authentication Code (MAC) Key
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e469. <a class="eglink" href="GenMac.html?l=rel">
Generating a Message Authentication Code (MAC)
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See also:
<a class="eglink" href="/egs/javax.crypto/pkg.html?l=rel#Encrypting%20and%20Decrypting">
Encrypting and Decrypting
</a>
<a class="eglink" href="/egs/javax.crypto/pkg.html?l=rel#Key%20Agreement">
Key Agreement
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<a class="eglink" href="/egs/javax.crypto/pkg.html?l=rel#Symmetric%20Keys">
Symmetric Keys
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