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<task id="GUID-A56D550A-BF08-5D9C-A64C-67E8654F449B" xml:lang="en"><title>Creating

Keys</title><shortdesc>This section explains how to create a key using the keystore. </shortdesc><prolog><metadata><keywords/></metadata></prolog><taskbody>

<context><p>Before you create a key, you must know which keystore the new

key must be stored in. See <xref href="GUID-1733B4E1-3264-58DF-957B-F5C0AE1E0644.dita">Retrieving

Keystores</xref> for more information. </p><p>The following steps explain

the process of creating a key:</p> </context>

<steps id="GUID-5947641D-B308-5E35-B6E1-1E9561A8495B">

<step id="GUID-75536534-0982-54E0-BF52-0BC3DE8A2200"><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-7648129E-7206-5C6A-BDDC-F3AA0A930B87"><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-6DEAD07A-5AAE-5876-B1EF-3728C8C4EB07"><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-EE225F78-78B5-54B8-82A7-CCC8A5DBAF01"><cmd/>

<info>Create a key using <xref href="GUID-818689D6-EB99-382E-A435-D9C6C5D464DE.dita#GUID-818689D6-EB99-382E-A435-D9C6C5D464DE/GUID-F4546E33-BCE9-330A-913A-88A0253EF498"><apiname>CUnifiedKeyStore::CreateKey()</apiname></xref>. </info>

</step>

</steps>

<result><p>A new key is created and stored in the selected keystore. </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 create a key. </p> <codeblock id="GUID-6A28C0E5-2708-5875-976B-F319DDC2148F" xml:space="preserve">//Create a file system session object

RFs iFs;

CleanupClosePushL(&iFs);

//Initialise the keystore and member functions

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

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

//Initialise the arguments to be passed into the CreateKey() function

TKeyUsagePKCS15 usage = EPKCS15UsageSign | EPKCS15UsageSignRecover;

TUint keysize = 512;

_LIT(KLabel,”keylabel”);

CCTKeyInfo::EKeyAlgorithm algorithm = CCTKeyInfo::EDSA;

TInt accessType = CCTKeyInfo::EExtractable;    

TTime startDate, endDate;

startDate.HomeTime(); 

endDate.HomeTime();

// Create a pointer for data returned by CreateKey()

CCTKeyInfo* keyInfo;

//Create the key

keyStore->CreateKey(0, usage, keysize, KLabel, algorithm,

accessType, startDate, endDate, keyInfo, iStatus);

//Clean up

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

</taskbody><related-links>

<link href="GUID-C4389D60-2A8D-532D-9D92-E57B0CCD14CF.dita"><linktext>Unified Keystore</linktext>

</link>

</related-links></task>