crypto/weakcrypto/inc/rijndael.h
changeset 8 35751d3474b7
parent 0 2c201484c85f
--- a/crypto/weakcrypto/inc/rijndael.h	Tue Jul 21 01:04:32 2009 +0100
+++ b/crypto/weakcrypto/inc/rijndael.h	Thu Sep 10 14:01:51 2009 +0300
@@ -1,162 +1,155 @@
-/*
-* Copyright (c) 2002-2009 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: 
-* ** IMPORTANT ** PublishedPartner API's in this file are published to 3rd party developers via the 
-* Symbian website. Changes to these API's should be treated as PublishedAll API changes and the Security TA should be consulted.
-* Rijndael implementation
-*
-*/
-
-
-
-
-/**
- @file 
- @internalAll
-*/
- 
-#ifndef __RIJNDAEL_H__
-#define __RIJNDAEL_H__
-
-#include "blocktransformation.h"
-
-/**
-* Abstract base class for Rijndael, implementing the parts of Rijndael common to both
-* Rijndael encryption and decryption.
-*
-* @publishedPartner
-* @released 
-*/
-class CRijndael : public CBlockTransformation
-{
-public:	//	From CBlockTransformation
-	virtual void Reset(void);
-	virtual TInt KeySize(void) const;
-	/** The destructor frees all resources owned by the object, prior to its destruction. */
-	IMPORT_C virtual ~CRijndael(void);
-protected:
-	/** Default constructor */
-	IMPORT_C CRijndael(void);
-	virtual void SetKey(const TDesC8& aKey);
-	virtual void ConstructL(const TDesC8& aKey);
-protected:
-	/** 
-	 * The key schedule 
-	 *
-	 * The maximum size is (((KAESMaxBlockSize/4)+6)+1)*4
-	 */
-	TUint32 iK[60];
-	/** The number of rounds */
-	TUint iRounds;
-	/** 
-	 * The input key 
-	 *
-	 * The key length (in bytes) must be one of the following:
-	 * - KAESKeySize128 (=16)
-	 * - KAESKeySize192 (=24)
-	 * - KAESKeySize256 (=32).
-	 */
-	HBufC8* iKey;
-private:
-	CRijndael(const CRijndael&);
-	const CRijndael& operator= (const CRijndael&);
-};
-
-/**
-* Concrete class for AES encryption.
-*
-* @publishedPartner
-* @released 
-*/
-class CAESEncryptor : public CRijndael
-{
-public:	//	From CBlockTransformation
-	/**
-	* Creates an instance of this class.
-	*
-	* @param aKey	The key to be used for encryption. The key length must be either
-	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
-	*
-	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
-	*								cipher strength restrictions of the crypto library.
-	*								See TCrypto::IsSymmetricWeakEnoughL()
-	*/
-	IMPORT_C static CAESEncryptor* NewL(const TDesC8& aKey);
-	
-	/**
-	* Creates an instance of this class and leaves it on the cleanup stack.
-	*
-	* @param aKey	The key to be used for encryption. The key length must be either
-	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
-	*
-	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
-	*								cipher strength restrictions of the crypto library.
-	*								See TCrypto::IsSymmetricWeakEnoughL()
-	*/
-	IMPORT_C static CAESEncryptor* NewLC(const TDesC8& aKey);
-	virtual TInt BlockSize() const;
-	virtual void Transform(TDes8& aBlock);
-protected:
-	/** @internalAll */
-	CAESEncryptor(void);
-private:
-	CAESEncryptor(const CAESEncryptor&);
-	const CAESEncryptor& operator= (const CAESEncryptor&);
-};
-
-/**
-* Concrete class for AES decryption.
-*
-* @publishedPartner
-* @released 
-*/
-class CAESDecryptor : public CRijndael
-{
-public:	//	From CBlockTransformation
-	/**
-	* Creates an instance of this class.
-	*
-	* @param aKey	The key to be used for decryption. The key length must be either
-	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
-	*
-	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
-	*								cipher strength restrictions of the crypto library. 
-	*								See TCrypto::IsSymmetricWeakEnoughL()
-	*/
-	IMPORT_C static CAESDecryptor* NewL(const TDesC8& aKey);
-
-	/**
-	* Creates an instance of this class and leaves it on the cleanup stack.
-	*
-	* @param aKey	The key to be used for decryption. The key length must be either
-	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
-	*
-	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
-	*								cipher strength restrictions of the crypto library.
-	*								See TCrypto::IsSymmetricWeakEnoughL()
-	*/
-	IMPORT_C static CAESDecryptor* NewLC(const TDesC8& aKey);
-	virtual TInt BlockSize() const;
-	virtual void Transform(TDes8& aBlock);
-protected:
-	virtual void SetKey(const TDesC8& aKey);
-	/** @internalAll */
-	CAESDecryptor(void);
-private:
-	CAESDecryptor(const CAESDecryptor&);
-	const CAESDecryptor& operator= (const CAESDecryptor&);
-};
-
-
-#endif	//	__RIJNDAEL_H__
+/*
+* Copyright (c) 2002-2009 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: 
+* ** IMPORTANT ** PublishedPartner API's in this file are published to 3rd party developers via the 
+* Symbian website. Changes to these API's should be treated as PublishedAll API changes and the Security TA should be consulted.
+* Rijndael implementation
+*
+*/
+
+
+/**
+ @file 
+ @publishedPartner
+ @released 
+*/
+ 
+#ifndef __RIJNDAEL_H__
+#define __RIJNDAEL_H__
+
+#include "blocktransformation.h"
+
+/**
+* Abstract base class for Rijndael, implementing the parts of Rijndael common to both
+* Rijndael encryption and decryption.
+*
+*/
+class CRijndael : public CBlockTransformation
+{
+public:	//	From CBlockTransformation
+	virtual void Reset(void);
+	virtual TInt KeySize(void) const;
+	/** The destructor frees all resources owned by the object, prior to its destruction. */
+	IMPORT_C virtual ~CRijndael(void);
+protected:
+	/** Default constructor */
+	IMPORT_C CRijndael(void);
+	virtual void SetKey(const TDesC8& aKey);
+	virtual void ConstructL(const TDesC8& aKey);
+protected:
+	/** 
+	 * The key schedule 
+	 *
+	 * The maximum size is (((KAESMaxBlockSize/4)+6)+1)*4
+	 */
+	TUint32 iK[60];
+	/** The number of rounds */
+	TUint iRounds;
+	/** 
+	 * The input key 
+	 *
+	 * The key length (in bytes) must be one of the following:
+	 * - KAESKeySize128 (=16)
+	 * - KAESKeySize192 (=24)
+	 * - KAESKeySize256 (=32).
+	 */
+	HBufC8* iKey;
+private:
+	CRijndael(const CRijndael&);
+	const CRijndael& operator= (const CRijndael&);
+};
+
+/**
+* Concrete class for AES encryption.
+*
+*/
+class CAESEncryptor : public CRijndael
+{
+public:	//	From CBlockTransformation
+	/**
+	* Creates an instance of this class.
+	*
+	* @param aKey	The key to be used for encryption. The key length must be either
+	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
+	*
+	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
+	*								cipher strength restrictions of the crypto library.
+	*								See TCrypto::IsSymmetricWeakEnoughL()
+	*/
+	IMPORT_C static CAESEncryptor* NewL(const TDesC8& aKey);
+	
+	/**
+	* Creates an instance of this class and leaves it on the cleanup stack.
+	*
+	* @param aKey	The key to be used for encryption. The key length must be either
+	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
+	*
+	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
+	*								cipher strength restrictions of the crypto library.
+	*								See TCrypto::IsSymmetricWeakEnoughL()
+	*/
+	IMPORT_C static CAESEncryptor* NewLC(const TDesC8& aKey);
+	virtual TInt BlockSize() const;
+	virtual void Transform(TDes8& aBlock);
+protected:
+	/** @internalAll */
+	CAESEncryptor(void);
+private:
+	CAESEncryptor(const CAESEncryptor&);
+	const CAESEncryptor& operator= (const CAESEncryptor&);
+};
+
+/**
+* Concrete class for AES decryption.
+*
+*/
+class CAESDecryptor : public CRijndael
+{
+public:	//	From CBlockTransformation
+	/**
+	* Creates an instance of this class.
+	*
+	* @param aKey	The key to be used for decryption. The key length must be either
+	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
+	*
+	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
+	*								cipher strength restrictions of the crypto library. 
+	*								See TCrypto::IsSymmetricWeakEnoughL()
+	*/
+	IMPORT_C static CAESDecryptor* NewL(const TDesC8& aKey);
+
+	/**
+	* Creates an instance of this class and leaves it on the cleanup stack.
+	*
+	* @param aKey	The key to be used for decryption. The key length must be either
+	*				KAESKeySize128 (=16), KAESKeySize192 (=24) or KAESKeySize256 (=32) bytes.
+	*
+	* @leave KErrKeyNotWeakEnough	If the key size is larger than that allowed by the
+	*								cipher strength restrictions of the crypto library.
+	*								See TCrypto::IsSymmetricWeakEnoughL()
+	*/
+	IMPORT_C static CAESDecryptor* NewLC(const TDesC8& aKey);
+	virtual TInt BlockSize() const;
+	virtual void Transform(TDes8& aBlock);
+protected:
+	virtual void SetKey(const TDesC8& aKey);
+	/** @internalAll */
+	CAESDecryptor(void);
+private:
+	CAESDecryptor(const CAESDecryptor&);
+	const CAESDecryptor& operator= (const CAESDecryptor&);
+};
+
+
+#endif	//	__RIJNDAEL_H__