--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/inc/rc2.h	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,168 @@
+/*
+* 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.
+* RC2 implementation
+*
+*/
+
+
+/**
+ @file 
+ @publishedPartner
+ @released 
+*/
+ 
+#ifndef __RC2_H__
+#define __RC2_H__
+
+#include <blocktransformation.h>
+
+#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
+
+/** OpenSSL PKCS8 Effective Key Length Compatibility.*/
+const TUint KPkcs8CompatibilityBits = 128;
+
+/** PKCS12 PBE Effective Key Length Compatibility.*/
+const TUint KPkcs12CompatibilityBits = 40;
+
+#endif
+
+/** The expanded key length of an RC2 key.*/
+const TUint KRC2ExpandedKeyLen = 64;
+
+/** SSL Effective Key Length Compatibility.*/
+const TUint KSSLCompatibilityBits = 1024;
+
+/** The maximum size in bytes for a RC2 key.*/
+const TUint KRC2MaxKeySizeBytes = 128;	//	Max key size in this implementation = 128 bytes
+
+
+/**
+* Abstract base class for RC2 encipherment.
+*
+*/
+class CRC2 : public CBlockTransformation
+{
+public:	
+	virtual void Reset();
+	virtual TInt BlockSize() const;
+	virtual TInt KeySize() const;
+protected:
+	/** @internalAll */
+	CRC2(void);
+	virtual void SetKey(const TDesC8& aKey, TInt aEffectiveKeyLenBits);
+protected:
+	/**
+	 * The expanded key buffer.
+	 *
+	 * Each iK[i] is a 16-bit word.
+	 */
+	TUint16 iK[KRC2ExpandedKeyLen];	//	128 bytes
+	/** 
+	 * The input key
+	 * 
+	 * The key length must fall between 1 and KRC2MaxKeySizeBytes (=128) bytes inclusive.
+	 */
+	TBuf8<KRC2MaxKeySizeBytes> iKey;
+	/** The effective key length in bits */
+	TInt iEffectiveKeyLenBits;
+};
+
+/**
+* Concrete class for RC2 encryption.
+*
+*/
+class CRC2Encryptor : public CRC2
+{
+public:
+	/**
+	* Creates an instance of this class.
+	*
+	* @param aKey					The key to be used for encryption. The key length must fall between 
+	*								1 and KRC2MaxKeySizeBytes (=128) bytes inclusive.
+	* @param aEffectiveKeyLenBits	Effective key length bits
+	*								(defaults KSSLCompatibilityBits = 1024).
+	*
+	* @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 CRC2Encryptor* NewL(const TDesC8& aKey, 
+		TInt aEffectiveKeyLenBits = KSSLCompatibilityBits);
+	/**
+	* 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 fall between 
+	*								1 and KRC2MaxKeySizeBytes (=128) bytes inclusive.
+	* @param aEffectiveKeyLenBits	Effective key length bits 
+	*								(defaults KSSLCompatibilityBits = 1024).
+	*
+	* @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 CRC2Encryptor* NewLC(const TDesC8& aKey, 
+		TInt aEffectiveKeyLenBits = KSSLCompatibilityBits);
+	virtual void Transform(TDes8& aBlock);
+protected:
+	/** @internalAll */
+	CRC2Encryptor(void);
+};
+
+/**
+* Concrete class for RC2 decryption.
+*
+*/
+class CRC2Decryptor : public CRC2
+{
+public:
+	/**
+	* Creates an instance of this class.
+	*
+	* @param aKey					The key to be used for decryption. The key length must fall between 
+	*								1 and KRC2MaxKeySizeBytes (=128) bytes inclusive.
+	* @param aEffectiveKeyLenBits	Effective key length bits 
+	*								(defaults KSSLCompatibilityBits = 1024).
+	*
+	* @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 CRC2Decryptor* NewL(const TDesC8& aKey, 
+		TInt aEffectiveKeyLenBits = KSSLCompatibilityBits);
+
+	/**
+	* 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 fall between 
+	*								1 and KRC2MaxKeySizeBytes (=128) bytes inclusive.
+	* @param aEffectiveKeyLenBits	Effective key length bits 
+	*								(defaults KSSLCompatibilityBits = 1024).
+	*
+	* @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 CRC2Decryptor* NewLC(const TDesC8& aKey, 
+		TInt aEffectiveKeyLenBits = KSSLCompatibilityBits);
+	virtual void Transform(TDes8& aBlock);
+protected:
+	/** @internalAll */
+	CRC2Decryptor(void);
+
+};
+
+#endif	//	__RC2_H__