--- a/crypto/weakcrypto/source/hash/sha384and512.cpp Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,527 +0,0 @@
-/*
-* Copyright (c) 2007-2009 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:
-* Common implementation of SHA384 and SHA512
-* RFC 4634 (US Secure Hash Algorithms (SHA and HMAC-SHA))
-*
-*/
-
-
-/**
- @file
-*/
-
-#include "sha384and512.h"
-
-/**
- * SHA512 Constants
- *
- * SHA-512 uses a sequence of eighty constant 64-bit words.
- * These words represent the first sixty-four bits of the fractional
- * parts of the cube roots of the first eighty prime numbers.
- *
- * FIPS 180-2 Section 4.2.3
- */
-const TUint64 K[80] =
- {
- UI64LIT(0x428a2f98d728ae22), UI64LIT(0x7137449123ef65cd), UI64LIT(0xb5c0fbcfec4d3b2f), UI64LIT(0xe9b5dba58189dbbc),
- UI64LIT(0x3956c25bf348b538), UI64LIT(0x59f111f1b605d019), UI64LIT(0x923f82a4af194f9b), UI64LIT(0xab1c5ed5da6d8118),
- UI64LIT(0xd807aa98a3030242), UI64LIT(0x12835b0145706fbe), UI64LIT(0x243185be4ee4b28c), UI64LIT(0x550c7dc3d5ffb4e2),
- UI64LIT(0x72be5d74f27b896f), UI64LIT(0x80deb1fe3b1696b1), UI64LIT(0x9bdc06a725c71235), UI64LIT(0xc19bf174cf692694),
- UI64LIT(0xe49b69c19ef14ad2), UI64LIT(0xefbe4786384f25e3), UI64LIT(0x0fc19dc68b8cd5b5), UI64LIT(0x240ca1cc77ac9c65),
- UI64LIT(0x2de92c6f592b0275), UI64LIT(0x4a7484aa6ea6e483), UI64LIT(0x5cb0a9dcbd41fbd4), UI64LIT(0x76f988da831153b5),
- UI64LIT(0x983e5152ee66dfab), UI64LIT(0xa831c66d2db43210), UI64LIT(0xb00327c898fb213f), UI64LIT(0xbf597fc7beef0ee4),
- UI64LIT(0xc6e00bf33da88fc2), UI64LIT(0xd5a79147930aa725), UI64LIT(0x06ca6351e003826f), UI64LIT(0x142929670a0e6e70),
- UI64LIT(0x27b70a8546d22ffc), UI64LIT(0x2e1b21385c26c926), UI64LIT(0x4d2c6dfc5ac42aed), UI64LIT(0x53380d139d95b3df),
- UI64LIT(0x650a73548baf63de), UI64LIT(0x766a0abb3c77b2a8), UI64LIT(0x81c2c92e47edaee6), UI64LIT(0x92722c851482353b),
- UI64LIT(0xa2bfe8a14cf10364), UI64LIT(0xa81a664bbc423001), UI64LIT(0xc24b8b70d0f89791), UI64LIT(0xc76c51a30654be30),
- UI64LIT(0xd192e819d6ef5218), UI64LIT(0xd69906245565a910), UI64LIT(0xf40e35855771202a), UI64LIT(0x106aa07032bbd1b8),
- UI64LIT(0x19a4c116b8d2d0c8), UI64LIT(0x1e376c085141ab53), UI64LIT(0x2748774cdf8eeb99), UI64LIT(0x34b0bcb5e19b48a8),
- UI64LIT(0x391c0cb3c5c95a63), UI64LIT(0x4ed8aa4ae3418acb), UI64LIT(0x5b9cca4f7763e373), UI64LIT(0x682e6ff3d6b2b8a3),
- UI64LIT(0x748f82ee5defb2fc), UI64LIT(0x78a5636f43172f60), UI64LIT(0x84c87814a1f0ab72), UI64LIT(0x8cc702081a6439ec),
- UI64LIT(0x90befffa23631e28), UI64LIT(0xa4506cebde82bde9), UI64LIT(0xbef9a3f7b2c67915), UI64LIT(0xc67178f2e372532b),
- UI64LIT(0xca273eceea26619c), UI64LIT(0xd186b8c721c0c207), UI64LIT(0xeada7dd6cde0eb1e), UI64LIT(0xf57d4f7fee6ed178),
- UI64LIT(0x06f067aa72176fba), UI64LIT(0x0a637dc5a2c898a6), UI64LIT(0x113f9804bef90dae), UI64LIT(0x1b710b35131c471b),
- UI64LIT(0x28db77f523047d84), UI64LIT(0x32caab7b40c72493), UI64LIT(0x3c9ebe0a15c9bebc), UI64LIT(0x431d67c49c100d4c),
- UI64LIT(0x4cc5d4becb3e42b6), UI64LIT(0x597f299cfc657e2a), UI64LIT(0x5fcb6fab3ad6faec), UI64LIT(0x6c44198c4a475817)
- };
-
-/**
- * Define the SHA SIGMA and sigma macros
- *
- * FIPS 180-2 section 4.1.3
- */
-// Equation 4.10
-inline TUint64 SHA512_SIGMA0(TUint64 aWord)
- {
- return (SHA_ROTR<TUint64>(28,aWord) ^ SHA_ROTR<TUint64>(34,aWord) ^ SHA_ROTR<TUint64>(39,aWord));
- }
-// Equation 4.11
-inline TUint64 SHA512_SIGMA1(TUint64 aWord)
- {
- return (SHA_ROTR<TUint64>(14,aWord) ^ SHA_ROTR<TUint64>(18,aWord) ^ SHA_ROTR<TUint64>(41,aWord));
- }
-// Equation 4.12
-inline TUint64 SHA512_sigma0(TUint64 aWord)
- {
- return (SHA_ROTR<TUint64>(1, aWord) ^ SHA_ROTR<TUint64>(8, aWord) ^ SHA_SHR<TUint64>(7, aWord));
- }
-// Equation 4.13
-inline TUint64 SHA512_sigma1(TUint64 aWord)
- {
- return (SHA_ROTR<TUint64>(19,aWord) ^ SHA_ROTR<TUint64>(61,aWord) ^ SHA_SHR<TUint64>(6,aWord));
- }
-
-// Macros
-inline TUint64 Make64BitWord(const TUint8* aData)
- {
- TUint64 result = (TUint64)aData[0] << 56 | (TUint64)aData[1] << 48 | (TUint64)aData[2] << 40 |
- (TUint64)aData[3] << 32 | (TUint64)aData[4] << 24 | (TUint64)aData[5] << 16 |
- (TUint64)aData[6] << 8 | (TUint64)aData[7];
- return result;
- }
-
-
-CSHA384And512* CSHA384And512::NewL()
- {
- CSHA384And512* self=new (ELeave) CSHA384And512();
- return self;
- }
-
-CSHA384And512::CSHA384And512() : iHash(KSHA512HashSize)
- {
- }
-
-CSHA384And512::CSHA384And512(const CSHA384And512& aSHAImpl)
- : iHash(aSHAImpl.iHash),
- iA(aSHAImpl.iA),
- iB(aSHAImpl.iB),
- iC(aSHAImpl.iC),
- iD(aSHAImpl.iD),
- iE(aSHAImpl.iE),
- iF(aSHAImpl.iF),
- iG(aSHAImpl.iG),
- iH(aSHAImpl.iH),
- iNl(aSHAImpl.iNl),
- iNh(aSHAImpl.iNh),
- iBlockIndex(aSHAImpl.iBlockIndex)
- {
- Mem::Copy(iData, aSHAImpl.iData, KSHA512BlockSize*sizeof(TUint64));
- }
-
-void CSHA384And512::Reset(const TAny* aValueArr)
- {
- const TUint64* values = static_cast<const TUint64*>(aValueArr);
-
- iA = values[0];
- iB = values[1];
- iC = values[2];
- iD = values[3];
- iE = values[4];
- iF = values[5];
- iG = values[6];
- iH = values[7];
- iNh = 0;
- iNl = 0;
- iBlockIndex = 0;
- }
-
-//This function will panic if the total input length is longer than 2^128 in bits
-_LIT(KPanicString, "Message length exceeds supported length");
-inline void CSHA384And512::AddLength(const TUint64 aLength)
- {
- TUint64 temp = iNl;
- iNl += aLength << 3;
- __ASSERT_ALWAYS(((iNh != KMaxTUint64) || (temp <= iNl)), User::Panic(KPanicString, KErrOverflow));
- iNh += (temp > iNl);
- }
-
-// This assumes a big-endian architecture
-void CSHA384And512::Update(const TUint8* aData,TUint aLength)
- {
- while((aLength / 8) > 0 && (iBlockIndex % 8 == 0))
- {
- iData[iBlockIndex>>3] = Make64BitWord(aData);
- iBlockIndex+=8;
- aData+=8;
- aLength-=8;
- if(iBlockIndex==KSHA512BlockSize)
- {
- Block();
- AddLength(KSHA512BlockSize);
- }
- }
-
- while(aLength--)
- {
- if(!(iBlockIndex&0x07))
- {
- iData[iBlockIndex >> 3] = 0;
- }
- iData[iBlockIndex >> 3] |= static_cast<TUint64>(*aData) << ((7 - iBlockIndex&0x07) << 3) ;
- ++aData;
- ++iBlockIndex;
- if(iBlockIndex==KSHA512BlockSize)
- {
- Block();
- AddLength(KSHA512BlockSize);
- }
- }
- }
-
-static inline void CSHA512_16( const TUint64 aA,
- const TUint64 aB,
- const TUint64 aC,
- TUint64& aD,
- const TUint64 aE,
- const TUint64 aF,
- const TUint64 aG,
- TUint64& aH,
- TUint64 aTemp1,
- TUint64 aTemp2,
- const TUint64 aK,
- const TUint64 aWord)
- {
- aTemp1 = aH + SHA512_SIGMA1(aE) + SHA_Ch(aE,aF,aG) + aK + aWord;
- aTemp2 = SHA512_SIGMA0(aA) + SHA_Maj(aA,aB,aC);
- aD = aD + aTemp1;
- aH = aTemp1 + aTemp2;
- }
-
-static inline void CSHA512_64( const TUint64 aA,
- const TUint64 aB,
- const TUint64 aC,
- TUint64& aD,
- const TUint64 aE,
- const TUint64 aF,
- const TUint64 aG,
- TUint64& aH,
- TUint64 aTemp1,
- TUint64 aTemp2,
- const TUint64 aK,
- TUint64& aWord0,
- const TUint64 aWord2,
- const TUint64 aWord7,
- const TUint64 aWord15,
- const TUint64 aWord16)
- {
- aWord0 = SHA512_sigma1(aWord2) + aWord7 + SHA512_sigma0(aWord15) + aWord16;
- CSHA512_16(aA, aB, aC, aD, aE, aF, aG, aH, aTemp1, aTemp2, aK, aWord0);
- }
-
-/**
- * This function actually calculates the hash.
- * Function is defined in FIPS 180-2 section 6.3.2
- *
- * This function is the expanded version of the following loop.
- * for(TUint i = 0; i < 80; ++i)
- * {
- * if(i >= 16)
- * {
- * iData[i] = SHA512_sigma1(iData[i-2]) + iData[i-7] + SHA512_sigma0(iData[i-15]) + iData[i-16];
- * }
- *
- * temp1 = tempH + SHA512_SIGMA1(tempE) + SHA_Ch(tempE,tempF,tempG) + K[i] + iData[i];
- * temp2 = SHA512_SIGMA0(tempA) + SHA_Maj(tempA,tempB,tempC);
- * tempH = tempG;
- * tempG = tempF;
- * tempF = tempE;
- * tempE = tempD + temp1;
- * tempD = tempC;
- * tempC = tempB;
- * tempB = tempA;
- * tempA = temp1 + temp2;
- * }
- */
-void CSHA384And512::Block()
- {
- TUint64 tempA=iA;
- TUint64 tempB=iB;
- TUint64 tempC=iC;
- TUint64 tempD=iD;
- TUint64 tempE=iE;
- TUint64 tempF=iF;
- TUint64 tempG=iG;
- TUint64 tempH=iH;
- TUint64 temp1=0;
- TUint64 temp2=0;
-
- CSHA512_16(tempA,tempB,tempC,tempD,tempE,tempF,tempG,tempH,temp1,temp2,K[0],iData[0]);
- CSHA512_16(tempH,tempA,tempB,tempC,tempD,tempE,tempF,tempG,temp1,temp2,K[1],iData[1]);
- CSHA512_16(tempG,tempH,tempA,tempB,tempC,tempD,tempE,tempF,temp1,temp2,K[2],iData[2]);
- CSHA512_16(tempF,tempG,tempH,tempA,tempB,tempC,tempD,tempE,temp1,temp2,K[3],iData[3]);
- CSHA512_16(tempE,tempF,tempG,tempH,tempA,tempB,tempC,tempD,temp1,temp2,K[4],iData[4]);
- CSHA512_16(tempD,tempE,tempF,tempG,tempH,tempA,tempB,tempC,temp1,temp2,K[5],iData[5]);
- CSHA512_16(tempC,tempD,tempE,tempF,tempG,tempH,tempA,tempB,temp1,temp2,K[6],iData[6]);
- CSHA512_16(tempB,tempC,tempD,tempE,tempF,tempG,tempH,tempA,temp1,temp2,K[7],iData[7]);
-
- CSHA512_16(tempA,tempB,tempC,tempD,tempE,tempF,tempG,tempH,temp1,temp2,K[8],iData[8]);
- CSHA512_16(tempH,tempA,tempB,tempC,tempD,tempE,tempF,tempG,temp1,temp2,K[9],iData[9]);
- CSHA512_16(tempG,tempH,tempA,tempB,tempC,tempD,tempE,tempF,temp1,temp2,K[10],iData[10]);
- CSHA512_16(tempF,tempG,tempH,tempA,tempB,tempC,tempD,tempE,temp1,temp2,K[11],iData[11]);
- CSHA512_16(tempE,tempF,tempG,tempH,tempA,tempB,tempC,tempD,temp1,temp2,K[12],iData[12]);
- CSHA512_16(tempD,tempE,tempF,tempG,tempH,tempA,tempB,tempC,temp1,temp2,K[13],iData[13]);
- CSHA512_16(tempC,tempD,tempE,tempF,tempG,tempH,tempA,tempB,temp1,temp2,K[14],iData[14]);
- CSHA512_16(tempB,tempC,tempD,tempE,tempF,tempG,tempH,tempA,temp1,temp2,K[15],iData[15]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[16], iData[16], iData[14], iData[9], iData[1], iData[0]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[17], iData[17], iData[15], iData[10], iData[2], iData[1]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[18], iData[18], iData[16], iData[11], iData[3], iData[2]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[19], iData[19], iData[17], iData[12], iData[4], iData[3]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[20], iData[20], iData[18], iData[13], iData[5], iData[4]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[21], iData[21], iData[19], iData[14], iData[6], iData[5]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[22], iData[22], iData[20], iData[15], iData[7], iData[6]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[23], iData[23], iData[21], iData[16], iData[8], iData[7]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[24], iData[24], iData[22], iData[17], iData[9], iData[8]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[25], iData[25], iData[23], iData[18], iData[10], iData[9]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[26], iData[26], iData[24], iData[19], iData[11], iData[10]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[27], iData[27], iData[25], iData[20], iData[12], iData[11]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[28], iData[28], iData[26], iData[21], iData[13], iData[12]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[29], iData[29], iData[27], iData[22], iData[14], iData[13]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[30], iData[30], iData[28], iData[23], iData[15], iData[14]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[31], iData[31], iData[29], iData[24], iData[16], iData[15]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[32], iData[32], iData[30], iData[25], iData[17], iData[16]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[33], iData[33], iData[31], iData[26], iData[18], iData[17]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[34], iData[34], iData[32], iData[27], iData[19], iData[18]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[35], iData[35], iData[33], iData[28], iData[20], iData[19]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[36], iData[36], iData[34], iData[29], iData[21], iData[20]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[37], iData[37], iData[35], iData[30], iData[22], iData[21]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[38], iData[38], iData[36], iData[31], iData[23], iData[22]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[39], iData[39], iData[37], iData[32], iData[24], iData[23]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[40], iData[40], iData[38], iData[33], iData[25], iData[24]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[41], iData[41], iData[39], iData[34], iData[26], iData[25]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[42], iData[42], iData[40], iData[35], iData[27], iData[26]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[43], iData[43], iData[41], iData[36], iData[28], iData[27]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[44], iData[44], iData[42], iData[37], iData[29], iData[28]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[45], iData[45], iData[43], iData[38], iData[30], iData[29]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[46], iData[46], iData[44], iData[39], iData[31], iData[30]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[47], iData[47], iData[45], iData[40], iData[32], iData[31]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[48], iData[48], iData[46], iData[41], iData[33], iData[32]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[49], iData[49], iData[47], iData[42], iData[34], iData[33]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[50], iData[50], iData[48], iData[43], iData[35], iData[34]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[51], iData[51], iData[49], iData[44], iData[36], iData[35]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[52], iData[52], iData[50], iData[45], iData[37], iData[36]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[53], iData[53], iData[51], iData[46], iData[38], iData[37]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[54], iData[54], iData[52], iData[47], iData[39], iData[38]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[55], iData[55], iData[53], iData[48], iData[40], iData[39]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[56], iData[56], iData[54], iData[49], iData[41], iData[40]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[57], iData[57], iData[55], iData[50], iData[42], iData[41]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[58], iData[58], iData[56], iData[51], iData[43], iData[42]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[59], iData[59], iData[57], iData[52], iData[44], iData[43]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[60], iData[60], iData[58], iData[53], iData[45], iData[44]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[61], iData[61], iData[59], iData[54], iData[46], iData[45]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[62], iData[62], iData[60], iData[55], iData[47], iData[46]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[63], iData[63], iData[61], iData[56], iData[48], iData[47]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[64], iData[64], iData[62], iData[57], iData[49], iData[48]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[65], iData[65], iData[63], iData[58], iData[50], iData[49]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[66], iData[66], iData[64], iData[59], iData[51], iData[50]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[67], iData[67], iData[65], iData[60], iData[52], iData[51]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[68], iData[68], iData[66], iData[61], iData[53], iData[52]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[69], iData[69], iData[67], iData[62], iData[54], iData[53]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[70], iData[70], iData[68], iData[63], iData[55], iData[54]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[71], iData[71], iData[69], iData[64], iData[56], iData[55]);
-
- CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
- K[72], iData[72], iData[70], iData[65], iData[57], iData[56]);
- CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
- K[73], iData[73], iData[71], iData[66], iData[58], iData[57]);
- CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
- K[74], iData[74], iData[72], iData[67], iData[59], iData[58]);
- CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
- K[75], iData[75], iData[73], iData[68], iData[60], iData[59]);
- CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
- K[76], iData[76], iData[74], iData[69], iData[61], iData[60]);
- CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
- K[77], iData[77], iData[75], iData[70], iData[62], iData[61]);
- CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
- K[78], iData[78], iData[76], iData[71], iData[63], iData[62]);
- CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
- K[79], iData[79], iData[77], iData[72], iData[64], iData[63]);
-
- iA+=tempA;
- iB+=tempB;
- iC+=tempC;
- iD+=tempD;
- iE+=tempE;
- iF+=tempF;
- iG+=tempG;
- iH+=tempH;
-
- iBlockIndex=0;
- }
-
-/**
- * According to the standard, the message must be padded to an
- * even 512 bits. The first padding bit must be a '1'. The last
- * 64 bits represent the length of the original message. All bits
- * in between should be 0. This helper function will pad the
- * message according to those rules by filling the iData array
- * accordingly.
- */
-void CSHA384And512::PadMessage()
- {
- const TUint64 padByte = 0x80;
-
- if(!(iBlockIndex&0x07))
- {
- iData[iBlockIndex >> 3] = 0;
- }
- iData[iBlockIndex >> 3] |= padByte << ((7 - iBlockIndex&0x07) << 3) ;
-
- if (iBlockIndex >= (KSHA512BlockSize - 2*sizeof(TUint64)))
- {
- if (iBlockIndex < (KSHA512BlockSize - sizeof(TUint64)))
- iData[(KSHA512BlockSize>>3)-1]=0;
- Block();
- Mem::FillZ(iData,KSHA512BlockSize);
- }
- else
- {
- const TUint offset=(iBlockIndex+8)>>3; //+8 to account for the word added in the
- //switch statement above
- Mem::FillZ(iData+offset, (KSHA512BlockSize - offset*sizeof(TUint64)));
- }
-
- iData[(KSHA512BlockSize >> 3) - 2] = iNh;
- iData[(KSHA512BlockSize >> 3) - 1] = iNl;
- }
-
-inline void CSHA384And512::CopyWordToHash(TUint64 aVal, TUint aIndex)
- {
- TUint64 value = Make64BitWord(reinterpret_cast<TUint8*>(&aVal));
- Mem::Copy(const_cast<TUint8*>(iHash.Ptr())+ (8*aIndex), &value, sizeof(aVal));
- }
-
-const TDesC8& CSHA384And512::Final()
- {
- AddLength(iBlockIndex);
- PadMessage();
- Block();
- //
- // Generate hash value into iHash
- //
- CopyWordToHash(iA, 0);
- CopyWordToHash(iB, 1);
- CopyWordToHash(iC, 2);
- CopyWordToHash(iD, 3);
- CopyWordToHash(iE, 4);
- CopyWordToHash(iF, 5);
- CopyWordToHash(iG, 6);
- CopyWordToHash(iH, 7);
-
- return iHash;
- }
-
-void CSHA384And512::RestoreState()
- {
- iA = iACopy;
- iB = iBCopy;
- iC = iCCopy;
- iD = iDCopy;
- iE = iECopy;
- iF = iFCopy;
- iG = iGCopy;
- iH = iHCopy;
- iNl = iNlCopy;
- iNh = iNhCopy;
- iBlockIndex = iBlockIndexCopy;
- Mem::Copy((TAny*)iData, (TAny*)iDataCopy, KSHA512BlockSize*sizeof(TUint64));
- }
-
-void CSHA384And512::StoreState()
- {
- iACopy = iA;
- iBCopy = iB;
- iCCopy = iC;
- iDCopy = iD;
- iECopy = iE;
- iFCopy = iF;
- iGCopy = iG;
- iHCopy = iH;
- iNlCopy = iNl;
- iNhCopy = iNh;
- iBlockIndexCopy = iBlockIndex;
- Mem::Copy((TAny*)iDataCopy, (TAny*)iData, KSHA512BlockSize*sizeof(TUint64));
- }
-
-// Implemented in hmacimpl.cpp or softwarehashbase.cpp
-// but required as derived from MHash. No coverage here.
-#ifdef _BullseyeCoverage
-#pragma suppress_warnings on
-#pragma BullseyeCoverage off
-#pragma suppress_warnings off
-#endif
-