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<task id="GUID-60141F31-6061-5C65-809D-FE7A4F8414F7" xml:lang="en"><title>Setting

Management Policies</title><shortdesc>A management policy signifies the security check required to perform

management operations on the key. The management policy associated with the

key is of type <apiname>TSecurityPolicy</apiname>. The policy can be set to

check capabilities or the Vendor ID associated with the calling process. The

calling process should have a <codeph>WriteUserData</codeph> capability. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context><p>The following steps explain the process of setting

a management policy for a key:</p></context>

<steps id="GUID-2D99C179-7CBA-54C4-9111-1F57B3E26C95">

<step id="GUID-458FDF48-670D-56B0-9220-E70FA3EB425C"><cmd>Create a file system

session using an <codeph>RFs</codeph> object. </cmd>

</step>

<step id="GUID-1A8A68D1-9928-57A2-B5B7-75CF911DA4CA"><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-AF7853D6-1288-55E5-8DC3-7F3862DB70B7"><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-62AEB118-FA57-56CF-8C0D-241D1DDD2B30"><cmd/>

<info>List all keys in the keystore using 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.

Retrieve the handle of the key for which the management policy needs to be

set. </info>

</step>

<step id="GUID-677C109A-AFB9-585C-8949-E1F1E046CF24"><cmd/>

<info>Set the management policy for the key using the <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-E5962EE8-9B11-3051-AD85-0F7301E18855"><apiname>CUnifiedKeyStore::SetManagementPolicy()</apiname></xref> function. </info>

</step>

</steps>

<result><p>Management policy is set for the selected key. </p> </result>

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

set management policy for a key. </p> <codeblock id="GUID-A8AC1E30-C540-55A9-B12D-C2A46DC8F34A" 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

...

// Retrieve the handle of the key for which management policy has to be set

TCTKeyAttributeFilter  filter.iUsage = EPKCS15UsageAll;

RPointerArray<CCTKeyInfo> iKeys; // This variable will contain the result of the set management policy operation

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

...

// Retrieve the key handle of the appropriate key

_LIT(KLabel,”keylabel”);

// Select the key with the label you are looking for

TInt keyIndex;

for (TInt j = 0; j < iKeys.Count(); j++)

    {

    if (iKeys[j]->Label() == KLabel) 

        {

        keyIndex = j;

        break;

        }

    }

...

// Set the management policy

TSecurityPolicy managementPolicy;

TUint vendorId = 0x70000007;

TCapability caps[3];

caps[0] = ECapabilityWriteUserData;

caps[1] = ECapabilityDRM;

caps[2] = ECapabilityReadUserData;

managementPolicy = TSecurityPolicy(TSecureId(secureId), caps[0], caps[1], caps[2]);

keyStore->SetManagementPolicy(*iKeys, managementPolicy, iStatus);

//Clean up

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

</taskbody><related-links>

<link href="GUID-EFF8D1A1-00D5-5F96-8285-414DC0044AB8.dita"><linktext>Setting Use

Policies</linktext></link>

</related-links></task>