cryptoplugins/cryptospiplugins/test/dummyecchwplugin/src/cryptospihai.cpp
changeset 15 da2ae96f639b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoplugins/cryptospiplugins/test/dummyecchwplugin/src/cryptospihai.cpp	Mon Oct 12 10:17:04 2009 +0300
@@ -0,0 +1,109 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+#include "cryptospihai.h"
+#include "keys.h"
+#include <e32def.h>
+#include <cryptospi/cryptohashapi.h>
+#include <pbedata.h>
+#include "tcryptotokenhai.h"
+
+using namespace CryptoSpiHai;
+
+/**
+ * Performs the signing operation.
+ * 
+ * A cryptoSPI plugin uses this, when it does not have access to the  
+ * actual key.
+ * 
+ * @param aKeyHandle The key handle retrieved from hw crypto 
+ * token
+ * @param aInput The text which has to be signed. This is not being 
+ * used due to signing logic used in this function.
+ * @param aSignature Output param. The cryptoSPI signature.
+ * 
+ * @leave Can leave with all the leave codes present in HAI of 
+ * reference crypto token implementation.
+ * 
+ * @note This function does not actually implement ECC signing. This 
+ * function just shows how the private key can be extracted from 
+ * crypto token hai. This function just returns the private key as 
+ * output signature. The caller can verify the signature by ensuring 
+ * that test case has same public and private keys and then comparing 
+ * the signature with public key.
+ */
+EXPORT_C void CCryptoSpiHai::SignL(TInt aKeyHandle,
+        const TDesC8& /*aInput*/, CryptoSpi::CCryptoParams& aSignature)
+    {
+    MCTToken* token = NULL;
+    /**
+     * We are dereferencing a NULL pointer below. We need to pass 
+     * MCTToken here. It is not used currently.
+     */
+    CCryptoTokenHai *cryptoTokenHai = CCryptoTokenHai::NewLC(token);
+
+    //Call Crypto Token HAI to get the actual key
+    HBufC8* actualKey = NULL;
+    cryptoTokenHai->ExportPrivateKeyL(aKeyHandle, actualKey);
+    CleanupStack::PushL(actualKey);
+
+    aSignature.AddL(*actualKey, CryptoSpi::KEccKeyTypeUid);
+    CleanupStack::PopAndDestroy(actualKey);
+    CleanupStack::PopAndDestroy(cryptoTokenHai);
+    }
+
+/**
+ * Performs the decryption operation.
+ * 
+ * A cryptoSPI plugin uses this, when it does not have access to the 
+ * actual key.
+ * 
+ * @param aKeyHandle The key handle retrieved from hw crypto token
+ * @param aInput The cipher text. This is not being used due to signing  
+ * logic used in this function.
+ * @param aOutput Output param. The decrypted plain text
+ * 
+ * @leave Can leave with all the leave codes present in HAI of 
+ * reference crypto token implementation.
+ *
+ * @note This function does not actually implement ECC decryption. This 
+ * function just shows how the private key can be extracted from 
+ * crypto token hai. This function just returns the private key as 
+ * decrypted text. The caller can verify the decryption by ensuring 
+ * that test case has same public and private keys and then comparing 
+ * the decrypted text with public key. 
+ */
+EXPORT_C void CCryptoSpiHai::DecryptL(TInt aKeyHandle,
+        const TDesC8& /*aInput*/, TDes8& aOutput)
+    {
+    MCTToken* token = NULL;
+    CCryptoTokenHai *cryptoTokenHai = CCryptoTokenHai::NewLC(token);
+
+    //Call Crypto Token HAI to get the actual key
+    HBufC8* actualKey = NULL;
+    cryptoTokenHai->ExportPrivateKeyL(aKeyHandle, actualKey);
+    CleanupStack::PushL(actualKey);
+    aOutput.Copy(*actualKey);
+
+    CleanupStack::PopAndDestroy(actualKey);
+    CleanupStack::PopAndDestroy(cryptoTokenHai);
+    }
+
+// End of file
+
+