Collapse all Symbian^3 Application Developer Library

CRijndael Class Reference

class CRijndael : public CBlockTransformation

Abstract base class for Rijndael, implementing the parts of Rijndael common to both Rijndael encryption and decryption.

Inherits from

CRijndael
- CBlockTransformation
  - CBase

Public Member Functions
	~CRijndael (void)
TInt	KeySize (void)
void	Reset (void)

Protected Member Functions
	CRijndael (void)
void	ConstructL (const TDesC8 &)
void	SetKey (const TDesC8 &)

Private Member Functions
	CRijndael (const CRijndael &)
const CRijndael &	operator= (const CRijndael &)

Inherited Functions
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	CBase::operator new(TUint)
	CBase::operator new(TUint,TAny *)
	CBase::operator new(TUint,TLeave)
	CBase::operator new(TUint,TLeave,TUint)
	CBase::operator new(TUint,TUint)
	CBase::~CBase()
	CBlockTransformation::BlockSize()const
	CBlockTransformation::GetExtension(TUint,TAny &,TAny )
	CBlockTransformation::Transform(TDes8 &)

Protected Attributes
TUint32	iK
HBufC8 *	iKey
TUint	iRounds

Constructor & Destructor Documentation

CRijndael(void)

IMPORT_C

CRijndael

(

void

)

[protected]

Default constructor

Parameters

void

CRijndael(const CRijndael &)

CRijndael

(

const CRijndael &

)

[private]

Parameters

const CRijndael &

~CRijndael(void)

IMPORT_C

~CRijndael

(

void

)

[virtual]

The destructor frees all resources owned by the object, prior to its destruction.

Parameters

void

Member Functions Documentation

ConstructL(const TDesC8 &)

void

ConstructL

(

const TDesC8 &

aKey

)

[protected, virtual]

Parameters

const TDesC8 & aKey

KeySize(void)

TInt

KeySize

(

void

)

const [virtual]

Gets the key size in bits.

Parameters

void

Reset(void)

void

Reset

(

void

)

[virtual]

Resets the transformation back to its original state. Clears all its buffers.

Parameters

void

SetKey(const TDesC8 &)

void

SetKey

(

const TDesC8 &

aKey

)

[protected, virtual]

Parameters

const TDesC8 & aKey

operator=(const CRijndael &)

const CRijndael &

operator=

(

const CRijndael &

)

[private]

Parameters

const CRijndael &

Member Data Documentation

TUint32 iK

TUint32

[protected]

The key schedule

The maximum size is (((KAESMaxBlockSize/4)+6)+1)*4

HBufC8 * iKey

HBufC8 *

iKey

[protected]

The input key

The key length (in bytes) must be one of the following:

KAESKeySize128 (=16)
KAESKeySize192 (=24)
KAESKeySize256 (=32).

TUint iRounds

TUint

iRounds

[protected]

The number of rounds