sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:
sl@0: * Common implementation of SHA384 and SHA512
sl@0: * RFC 4634 (US Secure Hash Algorithms (SHA and HMAC-SHA))
sl@0: *
sl@0: */
sl@0:
sl@0:
sl@0: /**
sl@0: @file
sl@0: */
sl@0:
sl@0: #include <cryptospi/hashplugin.h>
sl@0: #include "sha384and512impl.h"
sl@0: #include "pluginconfig.h"
sl@0:
sl@0: /**
sl@0: * SHA512 Constants
sl@0: *
sl@0: * SHA-512 uses a sequence of eighty constant 64-bit words.
sl@0: * These words represent the first sixty-four bits of the fractional
sl@0: * parts of the cube roots of the first eighty prime numbers.
sl@0: *
sl@0: * FIPS 180-2 Section 4.2.3
sl@0: */
sl@0: const TUint64 K[80] =
sl@0: {
sl@0: UI64LIT(0x428a2f98d728ae22), UI64LIT(0x7137449123ef65cd), UI64LIT(0xb5c0fbcfec4d3b2f), UI64LIT(0xe9b5dba58189dbbc),
sl@0: UI64LIT(0x3956c25bf348b538), UI64LIT(0x59f111f1b605d019), UI64LIT(0x923f82a4af194f9b), UI64LIT(0xab1c5ed5da6d8118),
sl@0: UI64LIT(0xd807aa98a3030242), UI64LIT(0x12835b0145706fbe), UI64LIT(0x243185be4ee4b28c), UI64LIT(0x550c7dc3d5ffb4e2),
sl@0: UI64LIT(0x72be5d74f27b896f), UI64LIT(0x80deb1fe3b1696b1), UI64LIT(0x9bdc06a725c71235), UI64LIT(0xc19bf174cf692694),
sl@0: UI64LIT(0xe49b69c19ef14ad2), UI64LIT(0xefbe4786384f25e3), UI64LIT(0x0fc19dc68b8cd5b5), UI64LIT(0x240ca1cc77ac9c65),
sl@0: UI64LIT(0x2de92c6f592b0275), UI64LIT(0x4a7484aa6ea6e483), UI64LIT(0x5cb0a9dcbd41fbd4), UI64LIT(0x76f988da831153b5),
sl@0: UI64LIT(0x983e5152ee66dfab), UI64LIT(0xa831c66d2db43210), UI64LIT(0xb00327c898fb213f), UI64LIT(0xbf597fc7beef0ee4),
sl@0: UI64LIT(0xc6e00bf33da88fc2), UI64LIT(0xd5a79147930aa725), UI64LIT(0x06ca6351e003826f), UI64LIT(0x142929670a0e6e70),
sl@0: UI64LIT(0x27b70a8546d22ffc), UI64LIT(0x2e1b21385c26c926), UI64LIT(0x4d2c6dfc5ac42aed), UI64LIT(0x53380d139d95b3df),
sl@0: UI64LIT(0x650a73548baf63de), UI64LIT(0x766a0abb3c77b2a8), UI64LIT(0x81c2c92e47edaee6), UI64LIT(0x92722c851482353b),
sl@0: UI64LIT(0xa2bfe8a14cf10364), UI64LIT(0xa81a664bbc423001), UI64LIT(0xc24b8b70d0f89791), UI64LIT(0xc76c51a30654be30),
sl@0: UI64LIT(0xd192e819d6ef5218), UI64LIT(0xd69906245565a910), UI64LIT(0xf40e35855771202a), UI64LIT(0x106aa07032bbd1b8),
sl@0: UI64LIT(0x19a4c116b8d2d0c8), UI64LIT(0x1e376c085141ab53), UI64LIT(0x2748774cdf8eeb99), UI64LIT(0x34b0bcb5e19b48a8),
sl@0: UI64LIT(0x391c0cb3c5c95a63), UI64LIT(0x4ed8aa4ae3418acb), UI64LIT(0x5b9cca4f7763e373), UI64LIT(0x682e6ff3d6b2b8a3),
sl@0: UI64LIT(0x748f82ee5defb2fc), UI64LIT(0x78a5636f43172f60), UI64LIT(0x84c87814a1f0ab72), UI64LIT(0x8cc702081a6439ec),
sl@0: UI64LIT(0x90befffa23631e28), UI64LIT(0xa4506cebde82bde9), UI64LIT(0xbef9a3f7b2c67915), UI64LIT(0xc67178f2e372532b),
sl@0: UI64LIT(0xca273eceea26619c), UI64LIT(0xd186b8c721c0c207), UI64LIT(0xeada7dd6cde0eb1e), UI64LIT(0xf57d4f7fee6ed178),
sl@0: UI64LIT(0x06f067aa72176fba), UI64LIT(0x0a637dc5a2c898a6), UI64LIT(0x113f9804bef90dae), UI64LIT(0x1b710b35131c471b),
sl@0: UI64LIT(0x28db77f523047d84), UI64LIT(0x32caab7b40c72493), UI64LIT(0x3c9ebe0a15c9bebc), UI64LIT(0x431d67c49c100d4c),
sl@0: UI64LIT(0x4cc5d4becb3e42b6), UI64LIT(0x597f299cfc657e2a), UI64LIT(0x5fcb6fab3ad6faec), UI64LIT(0x6c44198c4a475817)
sl@0: };
sl@0:
sl@0: /**
sl@0: * Define the SHA SIGMA and sigma macros
sl@0: *
sl@0: * FIPS 180-2 section 4.1.3
sl@0: */
sl@0: // Equation 4.10
sl@0: inline TUint64 SHA512_SIGMA0(TUint64 aWord)
sl@0: {
sl@0: return (SHA_ROTR<TUint64>(28,aWord) ^ SHA_ROTR<TUint64>(34,aWord) ^ SHA_ROTR<TUint64>(39,aWord));
sl@0: }
sl@0: // Equation 4.11
sl@0: inline TUint64 SHA512_SIGMA1(TUint64 aWord)
sl@0: {
sl@0: return (SHA_ROTR<TUint64>(14,aWord) ^ SHA_ROTR<TUint64>(18,aWord) ^ SHA_ROTR<TUint64>(41,aWord));
sl@0: }
sl@0: // Equation 4.12
sl@0: inline TUint64 SHA512_sigma0(TUint64 aWord)
sl@0: {
sl@0: return (SHA_ROTR<TUint64>(1, aWord) ^ SHA_ROTR<TUint64>(8, aWord) ^ SHA_SHR<TUint64>(7, aWord));
sl@0: }
sl@0: // Equation 4.13
sl@0: inline TUint64 SHA512_sigma1(TUint64 aWord)
sl@0: {
sl@0: return (SHA_ROTR<TUint64>(19,aWord) ^ SHA_ROTR<TUint64>(61,aWord) ^ SHA_SHR<TUint64>(6,aWord));
sl@0: }
sl@0:
sl@0: // Macros
sl@0: inline TUint64 Make64BitWord(const TUint8* aData)
sl@0: {
sl@0: TUint64 result = (TUint64)aData[0] << 56 | (TUint64)aData[1] << 48 | (TUint64)aData[2] << 40 |
sl@0: (TUint64)aData[3] << 32 | (TUint64)aData[4] << 24 | (TUint64)aData[5] << 16 |
sl@0: (TUint64)aData[6] << 8 | (TUint64)aData[7];
sl@0: return result;
sl@0: }
sl@0:
sl@0:
sl@0: using namespace SoftwareCrypto;
sl@0:
sl@0: CSHA384And512Impl* CSHA384And512Impl::NewL(TInt aHashSize)
sl@0: {
sl@0: CSHA384And512Impl* self=new (ELeave) CSHA384And512Impl(aHashSize);
sl@0: return self;
sl@0: }
sl@0:
sl@0: CSHA384And512Impl::CSHA384And512Impl(TInt aHashSize) : iHash(aHashSize)
sl@0: {
sl@0: }
sl@0:
sl@0: CSHA384And512Impl::CSHA384And512Impl(const CSHA384And512Impl& aSHA512Impl)
sl@0: : iHash(aSHA512Impl.iHash),
sl@0: iA(aSHA512Impl.iA),
sl@0: iB(aSHA512Impl.iB),
sl@0: iC(aSHA512Impl.iC),
sl@0: iD(aSHA512Impl.iD),
sl@0: iE(aSHA512Impl.iE),
sl@0: iF(aSHA512Impl.iF),
sl@0: iG(aSHA512Impl.iG),
sl@0: iH(aSHA512Impl.iH),
sl@0: iNl(aSHA512Impl.iNl),
sl@0: iNh(aSHA512Impl.iNh),
sl@0: iBlockIndex(aSHA512Impl.iBlockIndex)
sl@0: {
sl@0: Mem::Copy(iData, aSHA512Impl.iData, KSHA512BlockSize*sizeof(TUint64));
sl@0: }
sl@0:
sl@0: void CSHA384And512Impl::Reset(const TAny* aValueArr)
sl@0: {
sl@0: const TUint64* values = static_cast<const TUint64*>(aValueArr);
sl@0: /**
sl@0: * Initial Hash Value
sl@0: *
sl@0: * These words were obtained by taking the first thirty-two bits
sl@0: * of the fractional parts of the square roots of the first eight
sl@0: * prime numbers.
sl@0: *
sl@0: * FIPS 180-2 Section 5.3.2
sl@0: */
sl@0: iA = values[0];
sl@0: iB = values[1];
sl@0: iC = values[2];
sl@0: iD = values[3];
sl@0: iE = values[4];
sl@0: iF = values[5];
sl@0: iG = values[6];
sl@0: iH = values[7];
sl@0: iNh = 0;
sl@0: iNl = 0;
sl@0: iBlockIndex = 0;
sl@0: }
sl@0:
sl@0: //This function will panic if the total input length is longer than 2^128 in bits
sl@0: _LIT(KPanicString, "Message length exceeds supported length");
sl@0: inline void CSHA384And512Impl::AddLength(const TUint64 aLength)
sl@0: {
sl@0: TUint64 temp = iNl;
sl@0: iNl += aLength << 3;
sl@0: __ASSERT_ALWAYS(((iNh != KMaxTUint64) || (temp <= iNl)), User::Panic(KPanicString, KErrOverflow));
sl@0: iNh += (temp > iNl);
sl@0: }
sl@0:
sl@0: // This assumes a big-endian architecture
sl@0: void CSHA384And512Impl::Update(const TUint8* aData,TUint aLength)
sl@0: {
sl@0: while((aLength / 8) > 0 && (iBlockIndex % 8 == 0))
sl@0: {
sl@0: iData[iBlockIndex>>3] = Make64BitWord(aData);
sl@0: iBlockIndex+=8;
sl@0: aData+=8;
sl@0: aLength-=8;
sl@0: if(iBlockIndex==KSHA512BlockSize)
sl@0: {
sl@0: Block();
sl@0: AddLength(KSHA512BlockSize);
sl@0: }
sl@0: }
sl@0:
sl@0: while(aLength--)
sl@0: {
sl@0: if(!(iBlockIndex&0x07))
sl@0: {
sl@0: iData[iBlockIndex >> 3] = 0;
sl@0: }
sl@0: iData[iBlockIndex >> 3] |= static_cast<TUint64>(*aData) << ((7 - iBlockIndex&0x07) << 3) ;
sl@0: ++aData;
sl@0: ++iBlockIndex;
sl@0: if(iBlockIndex==KSHA512BlockSize)
sl@0: {
sl@0: Block();
sl@0: AddLength(KSHA512BlockSize);
sl@0: }
sl@0: }
sl@0: }
sl@0:
sl@0: static inline void CSHA512_16( const TUint64 aA,
sl@0: const TUint64 aB,
sl@0: const TUint64 aC,
sl@0: TUint64& aD,
sl@0: const TUint64 aE,
sl@0: const TUint64 aF,
sl@0: const TUint64 aG,
sl@0: TUint64& aH,
sl@0: TUint64 aTemp1,
sl@0: TUint64 aTemp2,
sl@0: const TUint64 aK,
sl@0: const TUint64 aWord)
sl@0: {
sl@0: aTemp1 = aH + SHA512_SIGMA1(aE) + SHA_Ch(aE,aF,aG) + aK + aWord;
sl@0: aTemp2 = SHA512_SIGMA0(aA) + SHA_Maj(aA,aB,aC);
sl@0: aD = aD + aTemp1;
sl@0: aH = aTemp1 + aTemp2;
sl@0: }
sl@0:
sl@0: static inline void CSHA512_64( const TUint64 aA,
sl@0: const TUint64 aB,
sl@0: const TUint64 aC,
sl@0: TUint64& aD,
sl@0: const TUint64 aE,
sl@0: const TUint64 aF,
sl@0: const TUint64 aG,
sl@0: TUint64& aH,
sl@0: TUint64 aTemp1,
sl@0: TUint64 aTemp2,
sl@0: const TUint64 aK,
sl@0: TUint64& aWord0,
sl@0: const TUint64 aWord2,
sl@0: const TUint64 aWord7,
sl@0: const TUint64 aWord15,
sl@0: const TUint64 aWord16)
sl@0: {
sl@0: aWord0 = SHA512_sigma1(aWord2) + aWord7 + SHA512_sigma0(aWord15) + aWord16;
sl@0: CSHA512_16(aA, aB, aC, aD, aE, aF, aG, aH, aTemp1, aTemp2, aK, aWord0);
sl@0: }
sl@0:
sl@0: /**
sl@0: * This function actually calculates the hash.
sl@0: * Function is defined in FIPS 180-2 section 6.3.2
sl@0: *
sl@0: * This function is the expanded version of the following loop.
sl@0: * for(TUint i = 0; i < 80; ++i)
sl@0: * {
sl@0: * if(i >= 16)
sl@0: * {
sl@0: * iData[i] = SHA512_sigma1(iData[i-2]) + iData[i-7] + SHA512_sigma0(iData[i-15]) + iData[i-16];
sl@0: * }
sl@0: *
sl@0: * temp1 = tempH + SHA512_SIGMA1(tempE) + SHA_Ch(tempE,tempF,tempG) + K[i] + iData[i];
sl@0: * temp2 = SHA512_SIGMA0(tempA) + SHA_Maj(tempA,tempB,tempC);
sl@0: * tempH = tempG;
sl@0: * tempG = tempF;
sl@0: * tempF = tempE;
sl@0: * tempE = tempD + temp1;
sl@0: * tempD = tempC;
sl@0: * tempC = tempB;
sl@0: * tempB = tempA;
sl@0: * tempA = temp1 + temp2;
sl@0: * }
sl@0: */
sl@0: void CSHA384And512Impl::Block()
sl@0: {
sl@0: TUint64 tempA=iA;
sl@0: TUint64 tempB=iB;
sl@0: TUint64 tempC=iC;
sl@0: TUint64 tempD=iD;
sl@0: TUint64 tempE=iE;
sl@0: TUint64 tempF=iF;
sl@0: TUint64 tempG=iG;
sl@0: TUint64 tempH=iH;
sl@0: TUint64 temp1=0;
sl@0: TUint64 temp2=0;
sl@0:
sl@0: CSHA512_16(tempA,tempB,tempC,tempD,tempE,tempF,tempG,tempH,temp1,temp2,K[0],iData[0]);
sl@0: CSHA512_16(tempH,tempA,tempB,tempC,tempD,tempE,tempF,tempG,temp1,temp2,K[1],iData[1]);
sl@0: CSHA512_16(tempG,tempH,tempA,tempB,tempC,tempD,tempE,tempF,temp1,temp2,K[2],iData[2]);
sl@0: CSHA512_16(tempF,tempG,tempH,tempA,tempB,tempC,tempD,tempE,temp1,temp2,K[3],iData[3]);
sl@0: CSHA512_16(tempE,tempF,tempG,tempH,tempA,tempB,tempC,tempD,temp1,temp2,K[4],iData[4]);
sl@0: CSHA512_16(tempD,tempE,tempF,tempG,tempH,tempA,tempB,tempC,temp1,temp2,K[5],iData[5]);
sl@0: CSHA512_16(tempC,tempD,tempE,tempF,tempG,tempH,tempA,tempB,temp1,temp2,K[6],iData[6]);
sl@0: CSHA512_16(tempB,tempC,tempD,tempE,tempF,tempG,tempH,tempA,temp1,temp2,K[7],iData[7]);
sl@0:
sl@0: CSHA512_16(tempA,tempB,tempC,tempD,tempE,tempF,tempG,tempH,temp1,temp2,K[8],iData[8]);
sl@0: CSHA512_16(tempH,tempA,tempB,tempC,tempD,tempE,tempF,tempG,temp1,temp2,K[9],iData[9]);
sl@0: CSHA512_16(tempG,tempH,tempA,tempB,tempC,tempD,tempE,tempF,temp1,temp2,K[10],iData[10]);
sl@0: CSHA512_16(tempF,tempG,tempH,tempA,tempB,tempC,tempD,tempE,temp1,temp2,K[11],iData[11]);
sl@0: CSHA512_16(tempE,tempF,tempG,tempH,tempA,tempB,tempC,tempD,temp1,temp2,K[12],iData[12]);
sl@0: CSHA512_16(tempD,tempE,tempF,tempG,tempH,tempA,tempB,tempC,temp1,temp2,K[13],iData[13]);
sl@0: CSHA512_16(tempC,tempD,tempE,tempF,tempG,tempH,tempA,tempB,temp1,temp2,K[14],iData[14]);
sl@0: CSHA512_16(tempB,tempC,tempD,tempE,tempF,tempG,tempH,tempA,temp1,temp2,K[15],iData[15]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[16], iData[16], iData[14], iData[9], iData[1], iData[0]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[17], iData[17], iData[15], iData[10], iData[2], iData[1]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[18], iData[18], iData[16], iData[11], iData[3], iData[2]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[19], iData[19], iData[17], iData[12], iData[4], iData[3]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[20], iData[20], iData[18], iData[13], iData[5], iData[4]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[21], iData[21], iData[19], iData[14], iData[6], iData[5]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[22], iData[22], iData[20], iData[15], iData[7], iData[6]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[23], iData[23], iData[21], iData[16], iData[8], iData[7]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[24], iData[24], iData[22], iData[17], iData[9], iData[8]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[25], iData[25], iData[23], iData[18], iData[10], iData[9]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[26], iData[26], iData[24], iData[19], iData[11], iData[10]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[27], iData[27], iData[25], iData[20], iData[12], iData[11]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[28], iData[28], iData[26], iData[21], iData[13], iData[12]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[29], iData[29], iData[27], iData[22], iData[14], iData[13]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[30], iData[30], iData[28], iData[23], iData[15], iData[14]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[31], iData[31], iData[29], iData[24], iData[16], iData[15]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[32], iData[32], iData[30], iData[25], iData[17], iData[16]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[33], iData[33], iData[31], iData[26], iData[18], iData[17]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[34], iData[34], iData[32], iData[27], iData[19], iData[18]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[35], iData[35], iData[33], iData[28], iData[20], iData[19]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[36], iData[36], iData[34], iData[29], iData[21], iData[20]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[37], iData[37], iData[35], iData[30], iData[22], iData[21]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[38], iData[38], iData[36], iData[31], iData[23], iData[22]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[39], iData[39], iData[37], iData[32], iData[24], iData[23]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[40], iData[40], iData[38], iData[33], iData[25], iData[24]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[41], iData[41], iData[39], iData[34], iData[26], iData[25]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[42], iData[42], iData[40], iData[35], iData[27], iData[26]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[43], iData[43], iData[41], iData[36], iData[28], iData[27]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[44], iData[44], iData[42], iData[37], iData[29], iData[28]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[45], iData[45], iData[43], iData[38], iData[30], iData[29]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[46], iData[46], iData[44], iData[39], iData[31], iData[30]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[47], iData[47], iData[45], iData[40], iData[32], iData[31]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[48], iData[48], iData[46], iData[41], iData[33], iData[32]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[49], iData[49], iData[47], iData[42], iData[34], iData[33]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[50], iData[50], iData[48], iData[43], iData[35], iData[34]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[51], iData[51], iData[49], iData[44], iData[36], iData[35]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[52], iData[52], iData[50], iData[45], iData[37], iData[36]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[53], iData[53], iData[51], iData[46], iData[38], iData[37]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[54], iData[54], iData[52], iData[47], iData[39], iData[38]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[55], iData[55], iData[53], iData[48], iData[40], iData[39]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[56], iData[56], iData[54], iData[49], iData[41], iData[40]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[57], iData[57], iData[55], iData[50], iData[42], iData[41]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[58], iData[58], iData[56], iData[51], iData[43], iData[42]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[59], iData[59], iData[57], iData[52], iData[44], iData[43]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[60], iData[60], iData[58], iData[53], iData[45], iData[44]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[61], iData[61], iData[59], iData[54], iData[46], iData[45]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[62], iData[62], iData[60], iData[55], iData[47], iData[46]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[63], iData[63], iData[61], iData[56], iData[48], iData[47]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[64], iData[64], iData[62], iData[57], iData[49], iData[48]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[65], iData[65], iData[63], iData[58], iData[50], iData[49]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[66], iData[66], iData[64], iData[59], iData[51], iData[50]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[67], iData[67], iData[65], iData[60], iData[52], iData[51]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[68], iData[68], iData[66], iData[61], iData[53], iData[52]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[69], iData[69], iData[67], iData[62], iData[54], iData[53]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[70], iData[70], iData[68], iData[63], iData[55], iData[54]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[71], iData[71], iData[69], iData[64], iData[56], iData[55]);
sl@0:
sl@0: CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
sl@0: K[72], iData[72], iData[70], iData[65], iData[57], iData[56]);
sl@0: CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
sl@0: K[73], iData[73], iData[71], iData[66], iData[58], iData[57]);
sl@0: CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
sl@0: K[74], iData[74], iData[72], iData[67], iData[59], iData[58]);
sl@0: CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
sl@0: K[75], iData[75], iData[73], iData[68], iData[60], iData[59]);
sl@0: CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
sl@0: K[76], iData[76], iData[74], iData[69], iData[61], iData[60]);
sl@0: CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
sl@0: K[77], iData[77], iData[75], iData[70], iData[62], iData[61]);
sl@0: CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
sl@0: K[78], iData[78], iData[76], iData[71], iData[63], iData[62]);
sl@0: CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
sl@0: K[79], iData[79], iData[77], iData[72], iData[64], iData[63]);
sl@0:
sl@0: iA+=tempA;
sl@0: iB+=tempB;
sl@0: iC+=tempC;
sl@0: iD+=tempD;
sl@0: iE+=tempE;
sl@0: iF+=tempF;
sl@0: iG+=tempG;
sl@0: iH+=tempH;
sl@0:
sl@0: iBlockIndex=0;
sl@0: }
sl@0:
sl@0: /**
sl@0: * According to the standard, the message must be padded to an
sl@0: * even 512 bits. The first padding bit must be a '1'. The last
sl@0: * 64 bits represent the length of the original message. All bits
sl@0: * in between should be 0. This helper function will pad the
sl@0: * message according to those rules by filling the iData array
sl@0: * accordingly.
sl@0: */
sl@0: void CSHA384And512Impl::PadMessage()
sl@0: {
sl@0: const TUint64 padByte = 0x80;
sl@0:
sl@0: if(!(iBlockIndex&0x07))
sl@0: {
sl@0: iData[iBlockIndex >> 3] = 0;
sl@0: }
sl@0: iData[iBlockIndex >> 3] |= padByte << ((7 - iBlockIndex&0x07) << 3) ;
sl@0:
sl@0: if (iBlockIndex >= (KSHA512BlockSize - 2*sizeof(TUint64)))
sl@0: {
sl@0: if (iBlockIndex < (KSHA512BlockSize - sizeof(TUint64)))
sl@0: iData[(KSHA512BlockSize>>3)-1]=0;
sl@0: Block();
sl@0: Mem::FillZ(iData,KSHA512BlockSize);
sl@0: }
sl@0: else
sl@0: {
sl@0: const TUint offset=(iBlockIndex+8)>>3; //+8 to account for the word added in the
sl@0: //switch statement above
sl@0: Mem::FillZ(iData+offset, (KSHA512BlockSize - offset*sizeof(TUint64)));
sl@0: }
sl@0:
sl@0: iData[(KSHA512BlockSize >> 3) - 2] = iNh;
sl@0: iData[(KSHA512BlockSize >> 3) - 1] = iNl;
sl@0: }
sl@0:
sl@0: inline void CSHA384And512Impl::CopyWordToHash(TUint64 aVal, TUint aIndex)
sl@0: {
sl@0: TUint64 value = Make64BitWord(reinterpret_cast<TUint8*>(&aVal));
sl@0: Mem::Copy(const_cast<TUint8*>(iHash.Ptr())+ (8*aIndex), &value, sizeof(aVal));
sl@0: }
sl@0:
sl@0: const TDesC8& CSHA384And512Impl::Final()
sl@0: {
sl@0: AddLength(iBlockIndex);
sl@0: PadMessage();
sl@0: Block();
sl@0: //
sl@0: // Generate hash value into iHash
sl@0: //
sl@0: CopyWordToHash(iA, 0);
sl@0: CopyWordToHash(iB, 1);
sl@0: CopyWordToHash(iC, 2);
sl@0: CopyWordToHash(iD, 3);
sl@0: CopyWordToHash(iE, 4);
sl@0: CopyWordToHash(iF, 5);
sl@0: CopyWordToHash(iG, 6);
sl@0: CopyWordToHash(iH, 7);
sl@0:
sl@0: return iHash;
sl@0: }
sl@0:
sl@0: void CSHA384And512Impl::RestoreState()
sl@0: {
sl@0: iA = iACopy;
sl@0: iB = iBCopy;
sl@0: iC = iCCopy;
sl@0: iD = iDCopy;
sl@0: iE = iECopy;
sl@0: iF = iFCopy;
sl@0: iG = iGCopy;
sl@0: iH = iHCopy;
sl@0: iNl = iNlCopy;
sl@0: iNh = iNhCopy;
sl@0: iBlockIndex = iBlockIndexCopy;
sl@0: Mem::Copy((TAny*)iData, (TAny*)iDataCopy, KSHA512BlockSize*sizeof(TUint64));
sl@0: }
sl@0:
sl@0: void CSHA384And512Impl::StoreState()
sl@0: {
sl@0: iACopy = iA;
sl@0: iBCopy = iB;
sl@0: iCCopy = iC;
sl@0: iDCopy = iD;
sl@0: iECopy = iE;
sl@0: iFCopy = iF;
sl@0: iGCopy = iG;
sl@0: iHCopy = iH;
sl@0: iNlCopy = iNl;
sl@0: iNhCopy = iNh;
sl@0: iBlockIndexCopy = iBlockIndex;
sl@0: Mem::Copy((TAny*)iDataCopy, (TAny*)iData, KSHA512BlockSize*sizeof(TUint64));
sl@0: }
sl@0:
sl@0: // Implemented in hmacimpl.cpp or softwarehashbase.cpp
sl@0: // but required as derived from MHash. No coverage here.
sl@0: #ifdef _BullseyeCoverage
sl@0: #pragma suppress_warnings on
sl@0: #pragma BullseyeCoverage off
sl@0: #pragma suppress_warnings off
sl@0: #endif
sl@0: