--- a/crypto/weakcrypto/source/common/inlines.h Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,244 +0,0 @@
-/*
-* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-/**
- @file
- @internalTechnology
-*/
-
-#ifndef __INLINES_H__
-#define __INLINES_H__
-
-#include <e32base.h>
-
-#define assert(x) __ASSERT_DEBUG((x), User::Panic(_L("crypto.dll"), 1))
-
-#if defined(__GCC32__)
-typedef long long Int64;
-typedef unsigned long long Uint64;
-#elif defined(__VC32__)
-typedef __int64 Int64;
-typedef unsigned __int64 Uint64;
-#elif defined(__CW32__)
-#pragma longlong on
-typedef long long Int64;
-typedef unsigned long long Uint64;
-#endif
-
-typedef Uint64 dword;
-typedef TUint word;
-typedef TUint32 word32;
-
-const TUint WORD_SIZE = sizeof(TUint);
-const TUint WORD_BYTES = WORD_SIZE;
-const TUint BYTE_BITS = 8;
-const TUint WORD_BITS = WORD_SIZE*BYTE_BITS;
-
-//These next two versions of GETBYTE compile to LDR's of words and then shifts
-//and ands to get it down to a byte.
-//#define GETBYTE(x, y) (TUint)(((x)>>(8*(y)))&255)
-//#define GETBYTE(x, y) (TUint)TUint8((x)>>(8*(y)))
-
-//This next version gets the best assembler on gcc and armv4 (it uses LDRB
-//rather than shifts and ands
-#define GETBYTE(x, y) (((TUint8 *)&(x))[y])
-
-#define MAKE_DWORD(lowWord, highWord) ((dword(highWord)<<WORD_BITS) | (lowWord))
-#define LOW_WORD(x) (TUint32)(x)
-#define HIGH_WORD(x) (TUint32)((x)>>WORD_BITS)
-
-template <class T> inline void TClassSwap(T& a, T& b)
- {
- T temp(a);
- a = b;
- b = temp;
- }
-
-inline TUint BitsToBytes(TUint bitCount)
- {
- return ((bitCount+7)/(BYTE_BITS));
- }
-
-inline TUint BytesToWords(TUint byteCount)
- {
- return ((byteCount+WORD_SIZE-1)/WORD_SIZE);
- }
-
-inline TUint BitsToWords(TUint bitCount)
- {
- return ((bitCount+WORD_BITS-1)/(WORD_BITS));
- }
-
-inline TUint WordsToBits(TUint wordCount)
- {
- return wordCount * WORD_BITS;
- }
-
-inline TUint BytesToBits(TUint byteCount)
- {
- return byteCount * BYTE_BITS;
- }
-
-inline TUint WordsToBytes(TUint wordCount)
- {
- return wordCount * WORD_BYTES;
- }
-
-inline void XorWords(TUint* r, const TUint* a, TUint n)
- {
- assert(((TUint32)r & 3) == 0); // Catch alignment problems
-
- for (TUint i=0; i<n; i++)
- r[i] ^= a[i];
- }
-
-inline void XorBuf(TUint8* buf, const TUint8* mask, TUint count)
- {
- if (((TUint)buf | (TUint)mask | count) % WORD_SIZE == 0)
- {
- XorWords((TUint*)buf, (const TUint*)mask, count/WORD_SIZE);
- }
- else
- {
- for (TUint i=0; i<count; i++)
- buf[i] ^= mask[i];
- }
- }
-
-// ************** rotate functions ***************
-template <class T> inline T rotlFixed(T x, TUint y)
- {
- assert(y < sizeof(T)*8);
- return ( (T)((x<<y) | (x>>(sizeof(T)*8-y))) );
- }
-
-template <class T> inline T rotrFixed(T x, TUint y)
- {
- assert(y < sizeof(T)*8);
- return ((T)((x>>y) | (x<<(sizeof(T)*8-y))));
- }
-
-inline TUint32 byteReverse(TUint32 value)
- {
- value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
- return rotlFixed(value, 16U);
- }
-
-template <class T>
-void byteReverse(T* out, const T* in, TUint32 byteCount)
- {
- TUint count = (byteCount+sizeof(T)-1)/sizeof(T);
- for (TUint i=0; i<count; i++)
- out[i] = byteReverse(in[i]);
- }
-
-template <class T>
-inline void GetUserKeyLittleEndian(T *out, TUint32 outlen, const TUint8* in, TUint32 inlen)
- {
- const TUint U = sizeof(T);
- assert(inlen <= outlen*U);
- Mem::Copy(out, in, inlen);
- Mem::FillZ((TUint8*)out+inlen, outlen*U-inlen);
- }
-
-template <class T>
-inline void GetUserKeyBigEndian(T *out, TUint32 outlen, const TUint8* in, TUint32 inlen)
- {
- const TUint U = sizeof(T);
- assert(inlen <= outlen*U);
- Mem::Copy(out, in, inlen);
- Mem::FillZ((TUint8*)out+inlen, outlen*U-inlen);
- byteReverse(out, out, inlen);
- }
-
-// The following methods have be changed to use byte rather than word accesses,
-// as if the input pointer is not be word aligned a fault occurs on arm
-// hardware. This isn't optimal from a performance point of view, but it is
-// neccessary because the crypto interfaces (CSymmetricCipher,
-// CBlockTransformation) allow clients to pass non-aligned data.
-
-// Fetch 4 words from user's buffer into "a", "b", "c", "d" in LITTLE-endian order
-inline void GetBlockLittleEndian(const TUint8* block, TUint16 &a, TUint16 &b, TUint16 &c, TUint16 &d)
- {
- a = (TUint16)(block[0] | block[1] << 8);
- b = (TUint16)(block[2] | block[3] << 8);
- c = (TUint16)(block[4] | block[5] << 8);
- d = (TUint16)(block[6] | block[7] << 8);
- }
-
-// Put 4 words back into user's buffer in LITTLE-endian order
-inline void PutBlockLittleEndian(TUint8* block, TUint16 a, TUint16 b, TUint16 c, TUint16 d)
- {
- block[0] = (TUint8)(a & 0xff);
- block[1] = (TUint8)(a >> 8);
- block[2] = (TUint8)(b & 0xff);
- block[3] = (TUint8)(b >> 8);
- block[4] = (TUint8)(c & 0xff);
- block[5] = (TUint8)(c >> 8);
- block[6] = (TUint8)(d & 0xff);
- block[7] = (TUint8)(d >> 8);
- }
-
-// Fetch 1 word from user's buffer in BIG-endian order
-inline void GetWordBigEndian(const TUint8* block, TUint32 &a)
- {
- a = block[0] << 24 | block[1] << 16 | block[2] << 8 | block[3];
- }
-
-// Put 1 word back into user's buffer in BIG-endian order
-inline void PutWordBigEndian(TUint8* block, TUint32 a)
- {
- block[0] = (TUint8)(a >> 24);
- block[1] = (TUint8)((a >> 16) & 0xff);
- block[2] = (TUint8)((a >> 8) & 0xff);
- block[3] = (TUint8)(a & 0xff);
- }
-
-// Fetch 2 words from user's buffer into "a", "b" in BIG-endian order
-inline void GetBlockBigEndian(const TUint8* block, TUint32 &a, TUint32& b)
- {
- GetWordBigEndian(block, a);
- GetWordBigEndian(block + 4, b);
- }
-
-// Put 2 words back into user's buffer in BIG-endian order
-inline void PutBlockBigEndian(TUint8* block, TUint32 a, TUint32 b)
- {
- PutWordBigEndian(block, a);
- PutWordBigEndian(block + 4, b);
- }
-
-// Fetch 4 words from user's buffer into "a", "b", "c", "d" in BIG-endian order
-inline void GetBlockBigEndian(const TUint8* block, TUint32& a, TUint32& b, TUint32& c, TUint32& d)
- {
- GetWordBigEndian(block, a);
- GetWordBigEndian(block + 4, b);
- GetWordBigEndian(block + 8, c);
- GetWordBigEndian(block + 12, d);
- }
-
-// Put 4 words back into user's buffer in BIG-endian order
-inline void PutBlockBigEndian(TUint8* block, TUint32 a, TUint32 b, TUint32 c, TUint32 d)
- {
- PutWordBigEndian(block, a);
- PutWordBigEndian(block + 4, b);
- PutWordBigEndian(block + 8, c);
- PutWordBigEndian(block + 12, d);
- }
-
-#endif // __INLINES_H__