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<task id="GUID-6A770434-EF8A-5ECC-BB74-2E7FC4A9E360" xml:lang="en"><title> Listing

Keys</title><shortdesc>This section explains how to list keys in all the keystores.</shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context><p>Use the <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-8B22E1BC-D779-32DC-9C0A-CA37E4C0A81B"><apiname>CUnifiedKeyStore::List()</apiname></xref> function to

list the keys in all of the keystores. </p><p> The following steps explain

the process of listing keys:</p> </context>

<steps id="GUID-C16B6DEE-9CAD-59D1-8CDA-92C37A0179CB">

<step id="GUID-F131856E-BE3D-5ECD-B95B-23A025A8FDF0"><cmd/>

<info>Create a file system session using an <xref href="GUID-E263C747-946F-35AA-9F1D-41833BD350FC.dita"><apiname>RFs</apiname></xref> object. </info>

</step>

<step id="GUID-79CA45DF-F8FE-5EB0-9600-A0D8238D065B"><cmd/>

<info>Create an object of type CUnifiedKeyStore using <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-C7A96153-4179-3B3F-878D-1EAA64A98D39"><apiname>CUnifiedKeyStore::NewL()</apiname></xref> or <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-217FBB3B-CEF5-36F2-A612-EDDA0982053C"><apiname>CUnifiedKeyStore::NewLC()</apiname></xref>. </info>

</step>

<step id="GUID-9CA5BA80-44A3-5117-8923-7C5E13F6CE2E"><cmd/>

<info>Initialise the member functions and keystore using the asynchronous

function <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-6C5D732C-1FD1-3EF0-AC90-87690F891B8D"><apiname>CUnifiedKeyStore::Initialize()</apiname></xref>. </info>

</step>

<step id="GUID-FB673E4A-447F-5E6C-BE68-DDFE2C29372B"><cmd/>

<info>Use the <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-8B22E1BC-D779-32DC-9C0A-CA37E4C0A81B"><apiname>CUnifiedKeyStore::List()</apiname></xref> function to list

the keys in the keystores. </info>

</step>

</steps>

<result><p>The <codeph>List()</codeph> function returns all the keys from

all the keystores. </p> </result>

<example><title>Example</title> <p>The following code snippet shows how to

set a file system session object, initialise keystore and member functions,

and list keys. </p> <codeblock id="GUID-AD94670F-BF1F-58F9-B283-0810234B1483" xml:space="preserve">

//Create a file system session object

RFs iFs;

CleanupClosePushL(&iFs);

//Initialise the keystore and member functions

CUnifiedKeyStore* keyStore = CUnifiedKeyStore::NewL(fs);

keyStore->Initialize(iStatus); //iStatus is a TRequestStatus object

...

//List the keys in the keystores

RPointerArray<CCTKeyInfo> iKeys; // This variable will contain the result after the completion of the list operation

TCTKeyAttributeFilter  filter.iUsage = EPKCS15UsageAll;

keyStore->List(iKeys, filter, iStatus);

//Clean up

CleanupStack::PopAndDestroy(); // iFs</codeblock> </example>

</taskbody></task>