crypto/weakcrypto/inc/bigint.h
author Santosh Patil <santosh.v.patil@nokia.com>
Wed, 08 Jul 2009 11:25:26 +0100
changeset 0 2c201484c85f
child 8 35751d3474b7
permissions -rw-r--r--
Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     1
/*
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     2
* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     3
* All rights reserved.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     4
* This component and the accompanying materials are made available
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     5
* under the terms of the License "Eclipse Public License v1.0"
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     6
* which accompanies this distribution, and is available
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     8
*
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
     9
* Initial Contributors:
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    10
* Nokia Corporation - initial contribution.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    11
*
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    12
* Contributors:
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    13
*
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    14
* Description: 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    15
* ** IMPORTANT ** PublishedPartner API's in this file are published to 3rd party developers via the 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    16
* Symbian website. Changes to these API's should be treated as PublishedAll API changes and the Security TA should be consulted.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    17
*
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    18
*/
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    19
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    20
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    21
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    22
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    23
/**
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    24
 @file
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    25
 @publishedPartner
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    26
 @released
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    27
*/
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    28
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    29
#ifndef __BIGINT_H__
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    30
#define __BIGINT_H__
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    31
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    32
#include <random.h>
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    33
#include <e32base.h>
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    34
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    35
/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    36
const TUint KSignMask = 0x1L;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    37
/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    38
const TUint KHeapBasedMask = 0x2L;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    39
/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    40
const TUint KPtrMask = 0xFFFFFFFCL;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    41
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    42
class RInteger;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    43
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    44
/**
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    45
 * Abstract base class defining the interface for handling and manipulating big
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    46
 * integers.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    47
 *
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    48
 * TInteger is capable of representing both negative and positive integers 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    49
 * with an absolute value of less than 2^32^(2^32).  To create an integer 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    50
 * look at RInteger.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    51
 * TInteger defines an interface for the RInteger implementation - it is not
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    52
 * intended that TIntegers be copied or assigned from other TIntegers.  On EKA1
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    53
 * platforms, this is possible, but it should be avoided.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    54
 * 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    55
 * 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    56
 * @see RInteger
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    57
 */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    58
class TInteger
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    59
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    60
public:
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    61
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    62
	enum TRandomAttribute {EAllBitsRandom=0, ETopBitSet=1, ETop2BitsSet=2};
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    63
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    64
	IMPORT_C HBufC8* BufferLC() const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    65
	IMPORT_C TUint WordCount(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    66
	IMPORT_C TUint ByteCount(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    67
	IMPORT_C TUint BitCount(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    68
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    69
	IMPORT_C static const TInteger& Zero(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    70
	IMPORT_C static const TInteger& One(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    71
	IMPORT_C static const TInteger& Two(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    72
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    73
	IMPORT_C RInteger PlusL(const TInteger& aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    74
	IMPORT_C RInteger MinusL(const TInteger& aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    75
	IMPORT_C RInteger TimesL(const TInteger& aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    76
	IMPORT_C RInteger DividedByL(const TInteger& aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    77
	IMPORT_C RInteger DividedByL(TUint aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    78
	IMPORT_C RInteger ModuloL(const TInteger& aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    79
	IMPORT_C TUint ModuloL(TUint aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    80
	
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    81
	IMPORT_C RInteger SquaredL(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    82
	IMPORT_C RInteger ExponentiateL(const TInteger& aExponent) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    83
	IMPORT_C static RInteger ModularMultiplyL(const TInteger& aA, const TInteger& aB,
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    84
		const TInteger& aModulus);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    85
	IMPORT_C static RInteger ModularExponentiateL(const TInteger& aBase, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    86
		const TInteger& aExp, const TInteger& aMod);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    87
	IMPORT_C RInteger GCDL(const TInteger& aOperand) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    88
	IMPORT_C RInteger InverseModL(const TInteger& aMod) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    89
	
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    90
	// These overloaded operator functions leave 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    91
	IMPORT_C TInteger& operator += (const TInteger& aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    92
	IMPORT_C TInteger& operator -= (const TInteger& aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    93
	IMPORT_C TInteger& operator *= (const TInteger& aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    94
	IMPORT_C TInteger& operator /= (const TInteger& aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    95
	IMPORT_C TInteger& operator %= (const TInteger& aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    96
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    97
	IMPORT_C TInteger& operator += (TInt aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    98
	IMPORT_C TInteger& operator -= (TInt aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
    99
	IMPORT_C TInteger& operator *= (TInt aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   100
	IMPORT_C TInteger& operator /= (TInt aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   101
	IMPORT_C TInteger& operator %= (TInt aOperand);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   102
	IMPORT_C TInteger& operator -- ();
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   103
	IMPORT_C TInteger& operator ++ ();
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   104
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   105
	IMPORT_C TInteger& operator <<= (TUint aBits);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   106
	// End of leaving overloaded operator functions 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   107
	IMPORT_C TInteger& operator >>= (TUint aBits);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   108
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   109
	IMPORT_C TInt UnsignedCompare(const TInteger& aThat) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   110
	IMPORT_C TInt SignedCompare(const TInteger& aThat) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   111
	IMPORT_C TBool operator ! () const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   112
	inline TBool operator == (const TInteger& aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   113
	inline TBool operator != (const TInteger& aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   114
	inline TBool operator <= (const TInteger& aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   115
	inline TBool operator >= (const TInteger& aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   116
	inline TBool operator < (const TInteger& aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   117
	inline TBool operator > (const TInteger& aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   118
	
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   119
	IMPORT_C TInt SignedCompare(TInt aThat) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   120
	inline TBool operator == (TInt aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   121
	inline TBool operator != (TInt aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   122
	inline TBool operator <= (TInt aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   123
	inline TBool operator >= (TInt aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   124
	inline TBool operator < (TInt aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   125
	inline TBool operator > (TInt aInteger) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   126
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   127
	inline TBool IsZero() const {return !*this;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   128
	inline TBool NotZero() const {return !IsZero();}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   129
	inline TBool IsNegative() const {return Sign() == ENegative;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   130
	inline TBool NotNegative() const {return !IsNegative();}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   131
	inline TBool IsPositive() const {return NotNegative() && NotZero();}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   132
	inline TBool NotPositive() const {return !IsPositive();}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   133
	inline TBool IsEven() const {return Bit(0) == EFalse;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   134
	inline TBool IsOdd() const {return Bit(0);}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   135
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   136
	IMPORT_C TBool IsPrimeL(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   137
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   138
	IMPORT_C TBool Bit(TUint aBitPos) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   139
	IMPORT_C void SetBit(TUint aBitPos);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   140
	IMPORT_C void Negate(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   141
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   142
	IMPORT_C TInt ConvertToLongL(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   143
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   144
	IMPORT_C void CopyL(const TInteger& aInteger, TBool aAllowShrink=ETrue);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   145
	IMPORT_C void CopyL(const TInt aInteger, TBool aAllowShrink=ETrue);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   146
	IMPORT_C void Set(const RInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   147
	IMPORT_C HBufC8* BufferWithNoTruncationLC() const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   148
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   149
protected: //Interface functions to algorthims
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   150
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   151
	RInteger PositiveAddL(const TInteger& aA, const TInteger& aB) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   152
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   153
	RInteger PositiveSubtractL(const TInteger& aA, const TInteger& aB) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   154
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   155
	RInteger PositiveMultiplyL(const TInteger& aA, const TInteger& aB) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   156
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   157
	void PositiveDivideL(RInteger& aRemainder, RInteger& aQuotient, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   158
		const TInteger& aDividend, const TInteger& aDivisor) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   159
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   160
	void DivideL(RInteger& aRemainder, RInteger& aQuotient, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   161
		const TInteger& aDividend, const TInteger& aDivisor) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   162
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   163
	void PositiveDivide(TUint& aRemainder, TInteger& aQoutient, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   164
		const TInteger& aDividend, TUint aDivisor) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   165
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   166
	void DivideL(TUint& aRemainder, RInteger& aQoutient, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   167
		const TInteger& aDividend, TUint aDivisor) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   168
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   169
	TUint Modulo(const TInteger& aDividend, TUint aDivisor) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   170
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   171
protected: //Utility functions
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   172
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   173
	TInt ConvertToLong(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   174
	inline TUint ConvertToUnsignedLong(void) const {return Ptr()[0];}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   175
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   176
	TBool IsConvertableToLong(void) const;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   177
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   178
	void RandomizeL(TUint aBits, TRandomAttribute aAttr);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   179
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   180
	void RandomizeL(const TInteger& aMin, const TInteger& aMax);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   181
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   182
	void PrimeRandomizeL(TUint aBits, TRandomAttribute aAttr);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   183
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   184
	TBool SmallPrimeRandomizeL(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   185
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   186
protected: //Memory Handling
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   187
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   188
	void CreateNewL(TUint aNewSize);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   189
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   190
	void CleanNewL(TUint aNewSize);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   191
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   192
	void CleanGrowL(TUint aNewSize);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   193
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   194
	void CleanResizeL(TUint aNewSize);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   195
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   196
protected: //Construction functions
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   197
	IMPORT_C TInteger(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   198
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   199
	void Construct(const TDesC8& aValue);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   200
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   201
	void Construct(const TInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   202
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   203
	void Construct(TInt aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   204
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   205
	void Construct(TUint aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   206
protected: //Construction functions for stack based integers
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   207
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   208
	void ConstructStack(TUint aWords, TUint aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   209
	/** @internalComponent */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   210
	void ConstructStack(TUint aWords, const TInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   211
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   212
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   213
protected: //Member data
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   214
	enum TSign {EPositive=0, ENegative=1};
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   215
	TUint iSize;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   216
	TUint iPtr;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   217
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   218
protected: //Hackish functions
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   219
	/* Memory Layout
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   220
	 * Word 0: Size -- Must be power of 2 (algorithms assume this)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   221
	 * Word 1: Pointer to storage location plus 2 flag bits in lsb
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   222
	 * Word 1 (bit 0): Sign of the integer (+ve == 0, -ve == 1)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   223
	 * Word 1 (bit 1): Heap based flag bit (stack== 0, heap==1)
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   224
	 */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   225
	inline TSign Sign(void) const {return (TSign)(iPtr&KSignMask);}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   226
	inline TUint Size(void) const {return iSize;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   227
	inline void SetSize(TUint aSize) {iSize = aSize;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   228
	inline TUint* const Ptr(void) const {return (TUint*)(iPtr&KPtrMask);}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   229
	inline TBool IsStackBased(void) const {return !IsHeapBased();}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   230
	inline TBool IsHeapBased(void) const {return iPtr&KHeapBasedMask;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   231
	inline void SetPtr(TUint* aPtr) {iPtr &= ~KPtrMask; iPtr |= (TUint)aPtr;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   232
	inline void SetHeapBased(void) {iPtr |= KHeapBasedMask;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   233
	inline void SetStackBased(void) {iPtr &= ~KHeapBasedMask;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   234
	inline void SetSign(TSign aSign) {iPtr &= ~KSignMask; iPtr |= (TUint)aSign;}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   235
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   236
private:
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   237
	// disable default copy constructor and assignment operator
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   238
	TInteger(const TInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   239
	TInteger& operator=(const TInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   240
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   241
	friend class CMontgomeryStructure;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   242
	friend class RInteger; //in order to have access to Size() for an argument
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   243
	};
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   244
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   245
// Inline methods for TInteger
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   246
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   247
inline TBool TInteger::operator == (const TInteger& aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   248
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   249
	return SignedCompare(aInteger) == 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   250
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   251
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   252
inline TBool TInteger::operator != (const TInteger& aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   253
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   254
	return SignedCompare(aInteger) != 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   255
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   256
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   257
inline TBool TInteger::operator <= (const TInteger& aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   258
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   259
	return SignedCompare(aInteger) <= 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   260
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   261
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   262
inline TBool TInteger::operator >= (const TInteger& aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   263
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   264
	return SignedCompare(aInteger) >= 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   265
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   266
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   267
inline TBool TInteger::operator < (const TInteger& aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   268
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   269
	return SignedCompare(aInteger) < 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   270
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   271
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   272
TBool TInteger::operator > (const TInteger& aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   273
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   274
	return SignedCompare(aInteger) > 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   275
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   276
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   277
inline TBool TInteger::operator == (TInt aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   278
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   279
	return SignedCompare(aInteger) == 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   280
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   281
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   282
inline TBool TInteger::operator != (TInt aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   283
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   284
	return SignedCompare(aInteger) != 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   285
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   286
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   287
inline TBool TInteger::operator <= (TInt aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   288
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   289
	return SignedCompare(aInteger) <= 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   290
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   291
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   292
inline TBool TInteger::operator >= (TInt aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   293
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   294
	return SignedCompare(aInteger) >= 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   295
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   296
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   297
inline TBool TInteger::operator < (TInt aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   298
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   299
	return SignedCompare(aInteger) < 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   300
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   301
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   302
inline TBool TInteger::operator > (TInt aInteger) const
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   303
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   304
	return SignedCompare(aInteger) > 0;
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   305
	}
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   306
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   307
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   308
/** 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   309
 * A TInteger derived class allowing the construction of variable length big integers.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   310
 * See the Cryptography API guide for further information.
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   311
 *
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   312
 * @publishedPartner
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   313
 * @released
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   314
 *
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   315
 * @see TInteger
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   316
 */
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   317
class RInteger : public TInteger
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   318
	{
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   319
public:
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   320
	IMPORT_C static RInteger NewL(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   321
	IMPORT_C static RInteger NewL(const TDesC8& aValue);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   322
	IMPORT_C static RInteger NewL(const TInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   323
	IMPORT_C static RInteger NewL(TInt aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   324
	IMPORT_C static RInteger NewL(TUint aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   325
	IMPORT_C static RInteger NewEmptyL(TUint aNumWords);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   326
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   327
	IMPORT_C static RInteger NewRandomL(TUint aBits, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   328
		TRandomAttribute aAttr=EAllBitsRandom);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   329
	IMPORT_C static RInteger NewRandomL(const TInteger& aMin,
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   330
		const TInteger& aMax);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   331
	IMPORT_C static RInteger NewPrimeL(TUint aBits, 
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   332
		TRandomAttribute aAttr=EAllBitsRandom);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   333
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   334
	IMPORT_C RInteger(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   335
	IMPORT_C RInteger(const RInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   336
	IMPORT_C RInteger& operator=(const RInteger& aInteger);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   337
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   338
	IMPORT_C operator TCleanupItem();
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   339
	IMPORT_C static void CallClose(TAny* aPtr);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   340
	IMPORT_C void Close(void);
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   341
	};
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   342
2c201484c85f Move the Security package to EPL, and add the implementations of the cryptographic algorithms
Santosh Patil <santosh.v.patil@nokia.com>
parents:
diff changeset
   343
#endif // __BIGINT_H__