xmlSecDSigCtx">xmlSecDSigCtx</a> 
	structure or <em class="structfield"><code>encKey</code></em> member of 
	<a class="link" href="xmlsec-xmlenc.html#xmlSecEncCtx" title="struct xmlSecEncCtx">xmlSecEncCtx</a> structure), 
	the application can use keys manager to select the
	signature or encryption key. This is especialy useful
	when you are encrypting or signing something with a session key
	which is by itself should be encrypted. The key for the 
	session key encryption in the 
	<a class="ulink" href="" ta