MCL/sf/os/security: crypto/weakcrypto/source/hash/shacommon.h@9e4400dd0882 (annotated)

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	#ifndef __CRYPTO_SHACOMMON_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	2	#define __CRYPTO_SHACOMMON_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	3
2c201484c85f 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	#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	5	* Copyright (c) 2007-2009 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	6	* 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	7	* 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	8	* 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	9	* 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	10	* 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	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	* 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	13	* 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	14	*
2c201484c85f 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	* 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	16	*
2c201484c85f 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	* 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	18	* Same as used in SHA1
2c201484c85f 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	* SHA_CH > CSHA1_F
2c201484c85f 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	* SHA_Maj > CSHA1_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	21	* SHA_Parity > CSHA1_G
2c201484c85f 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	* The following definitions are equivalent and potentially faster.
2c201484c85f 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	* #define SHA_Ch(x, y, z) (((x) & ((y) ^ (z))) ^ (z))
2c201484c85f 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	* #define SHA_Maj(x, y, z) (((x) & ((y) \| (z))) \| ((y) & (z)))
2c201484c85f 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	* These functions are defined in FIPS 180-2 Section 4.1
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	26	* Equation 4.1, 4.2, 4.3, 4.8, 4.9
2c201484c85f 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
2c201484c85f 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
2c201484c85f 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
2c201484c85f 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
2c201484c85f 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
2c201484c85f 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
2c201484c85f 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	/**
2c201484c85f 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	@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	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	@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	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	template<typename T>
2c201484c85f 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	inline T SHA_Ch(T aX, T aY, T aZ)
2c201484c85f 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	return ((aX & aY) ^ ((~aX) & aZ));
2c201484c85f 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	}
2c201484c85f 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	template<typename T>
2c201484c85f 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	inline T SHA_Maj(T aX, T aY, T aZ)
2c201484c85f 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	{
2c201484c85f 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	return ((aX & aY) ^ (aX & aZ) ^ (aY & aZ));
2c201484c85f 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	}
2c201484c85f 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
2c201484c85f 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	template<typename T>
2c201484c85f 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	inline T SHA_Parity(T aX, T aY, T aZ)
2c201484c85f 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	{
2c201484c85f 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	return (aX ^ aY ^ aZ);
2c201484c85f 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	}
2c201484c85f 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	/**
2c201484c85f 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	* Define the SHA shift, and rotate right macro
2c201484c85f 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	* Defined in FIPS 180-2 Section 3.2
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	/**
2c201484c85f 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	* SHA Right Shift operation: The right shift operation SHR^n(x),
2c201484c85f 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	* where x is a w-bit word and n is an integer with 0 <= n < w,
2c201484c85f 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	* is defined by SHR^n(x) = x >> n.
2c201484c85f 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	template<typename T>
2c201484c85f 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	inline T SHA_SHR(T aBits, T aWord)
2c201484c85f 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	{
2c201484c85f 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	return (aWord >> 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	73	}
2c201484c85f 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
2c201484c85f 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	/**
2c201484c85f 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	* SHA Rotate Right Operation: The rotate right (circular right shift) operation
2c201484c85f 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	* ROTR^n(x), where x is a w-bit word and n is an integer with 0 <= n < w,
2c201484c85f 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	* is defined by ROTR n(x)=(x >> n) \|\| (x << w - n).
2c201484c85f 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	*/
2c201484c85f 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	template<typename T>
2c201484c85f 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	inline T SHA_ROTR(T aBits, T aWord)
2c201484c85f 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	{
2c201484c85f 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	TInt totalBits = sizeof(T) << 3;
2c201484c85f 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	return ((aWord >> aBits) \| (aWord << (totalBits-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	85	}
2c201484c85f 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
2c201484c85f 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	NONSHARABLE_CLASS(MSHA2Impl)
2c201484c85f 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	{
2c201484c85f 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	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	90	/**
2c201484c85f 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	* This function will reset the state of hash.
2c201484c85f 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	*/
2c201484c85f 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	virtual void Reset(const TAny*) = 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	94	/**
2c201484c85f 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	* This function will finalize the hash and return
2c201484c85f 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	* the calculated hash.
2c201484c85f 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	* @return Final hash
2c201484c85f 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	*/
2c201484c85f 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	virtual const TDesC8& Final() = 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	100	/**
2c201484c85f 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	* This function will add the message to the internal
2c201484c85f 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	* buffer and if the block size is reached then calcualte
2c201484c85f 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	* the hash till that point.
2c201484c85f 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	* @param aMessage Message to be updated.
2c201484c85f 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	* @param aLength Length of the message to be updated.
2c201484c85f 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	*/
2c201484c85f 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	virtual void Update(const TUint8* aMessage, TUint aLength) = 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	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	* This function will save the internal state of the hash.
2c201484c85f 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	*/
2c201484c85f 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	virtual void StoreState() = 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	112	/**
2c201484c85f 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	* This function will retrieve the saved the internal state
2c201484c85f 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	* of the hash.
2c201484c85f 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	*/
2c201484c85f 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	virtual void RestoreState() = 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	117	/**
2c201484c85f 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	* virtual distructor.
2c201484c85f 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	*/
2c201484c85f 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	virtual ~MSHA2Impl(){}
2c201484c85f 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	};
2c201484c85f 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
2c201484c85f 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	#endif //__CRYPTO_SHACOMMON_H_

author	Santosh V Patil <santosh.v.patil@nokia.com>
	Fri, 13 Nov 2009 10:54:38 +0530
branch	RCL_1
changeset 21	9e4400dd0882
parent 0	2c201484c85f
permissions	-rw-r--r--