os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/sha384and512impl.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/cryptoplugins/cryptospiplugins/source/softwarecrypto/sha384and512impl.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,539 @@
1.4 +/*
1.5 +* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of the License "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +* Common implementation of SHA384 and SHA512
1.19 +* RFC 4634 (US Secure Hash Algorithms (SHA and HMAC-SHA))
1.20 +*
1.21 +*/
1.22 +
1.23 +
1.24 +/**
1.25 + @file
1.26 +*/
1.27 +
1.28 +#include <cryptospi/hashplugin.h>
1.29 +#include "sha384and512impl.h"
1.30 +#include "pluginconfig.h"
1.31 +
1.32 +/**
1.33 + * SHA512 Constants
1.34 + *
1.35 + * SHA-512 uses a sequence of eighty constant 64-bit words.
1.36 + * These words represent the first sixty-four bits of the fractional
1.37 + * parts of the cube roots of the first eighty prime numbers.
1.38 + *
1.39 + * FIPS 180-2 Section 4.2.3
1.40 + */
1.41 +const TUint64 K[80] =
1.42 + {
1.43 + UI64LIT(0x428a2f98d728ae22), UI64LIT(0x7137449123ef65cd), UI64LIT(0xb5c0fbcfec4d3b2f), UI64LIT(0xe9b5dba58189dbbc),
1.44 + UI64LIT(0x3956c25bf348b538), UI64LIT(0x59f111f1b605d019), UI64LIT(0x923f82a4af194f9b), UI64LIT(0xab1c5ed5da6d8118),
1.45 + UI64LIT(0xd807aa98a3030242), UI64LIT(0x12835b0145706fbe), UI64LIT(0x243185be4ee4b28c), UI64LIT(0x550c7dc3d5ffb4e2),
1.46 + UI64LIT(0x72be5d74f27b896f), UI64LIT(0x80deb1fe3b1696b1), UI64LIT(0x9bdc06a725c71235), UI64LIT(0xc19bf174cf692694),
1.47 + UI64LIT(0xe49b69c19ef14ad2), UI64LIT(0xefbe4786384f25e3), UI64LIT(0x0fc19dc68b8cd5b5), UI64LIT(0x240ca1cc77ac9c65),
1.48 + UI64LIT(0x2de92c6f592b0275), UI64LIT(0x4a7484aa6ea6e483), UI64LIT(0x5cb0a9dcbd41fbd4), UI64LIT(0x76f988da831153b5),
1.49 + UI64LIT(0x983e5152ee66dfab), UI64LIT(0xa831c66d2db43210), UI64LIT(0xb00327c898fb213f), UI64LIT(0xbf597fc7beef0ee4),
1.50 + UI64LIT(0xc6e00bf33da88fc2), UI64LIT(0xd5a79147930aa725), UI64LIT(0x06ca6351e003826f), UI64LIT(0x142929670a0e6e70),
1.51 + UI64LIT(0x27b70a8546d22ffc), UI64LIT(0x2e1b21385c26c926), UI64LIT(0x4d2c6dfc5ac42aed), UI64LIT(0x53380d139d95b3df),
1.52 + UI64LIT(0x650a73548baf63de), UI64LIT(0x766a0abb3c77b2a8), UI64LIT(0x81c2c92e47edaee6), UI64LIT(0x92722c851482353b),
1.53 + UI64LIT(0xa2bfe8a14cf10364), UI64LIT(0xa81a664bbc423001), UI64LIT(0xc24b8b70d0f89791), UI64LIT(0xc76c51a30654be30),
1.54 + UI64LIT(0xd192e819d6ef5218), UI64LIT(0xd69906245565a910), UI64LIT(0xf40e35855771202a), UI64LIT(0x106aa07032bbd1b8),
1.55 + UI64LIT(0x19a4c116b8d2d0c8), UI64LIT(0x1e376c085141ab53), UI64LIT(0x2748774cdf8eeb99), UI64LIT(0x34b0bcb5e19b48a8),
1.56 + UI64LIT(0x391c0cb3c5c95a63), UI64LIT(0x4ed8aa4ae3418acb), UI64LIT(0x5b9cca4f7763e373), UI64LIT(0x682e6ff3d6b2b8a3),
1.57 + UI64LIT(0x748f82ee5defb2fc), UI64LIT(0x78a5636f43172f60), UI64LIT(0x84c87814a1f0ab72), UI64LIT(0x8cc702081a6439ec),
1.58 + UI64LIT(0x90befffa23631e28), UI64LIT(0xa4506cebde82bde9), UI64LIT(0xbef9a3f7b2c67915), UI64LIT(0xc67178f2e372532b),
1.59 + UI64LIT(0xca273eceea26619c), UI64LIT(0xd186b8c721c0c207), UI64LIT(0xeada7dd6cde0eb1e), UI64LIT(0xf57d4f7fee6ed178),
1.60 + UI64LIT(0x06f067aa72176fba), UI64LIT(0x0a637dc5a2c898a6), UI64LIT(0x113f9804bef90dae), UI64LIT(0x1b710b35131c471b),
1.61 + UI64LIT(0x28db77f523047d84), UI64LIT(0x32caab7b40c72493), UI64LIT(0x3c9ebe0a15c9bebc), UI64LIT(0x431d67c49c100d4c),
1.62 + UI64LIT(0x4cc5d4becb3e42b6), UI64LIT(0x597f299cfc657e2a), UI64LIT(0x5fcb6fab3ad6faec), UI64LIT(0x6c44198c4a475817)
1.63 + };
1.64 +
1.65 +/**
1.66 + * Define the SHA SIGMA and sigma macros
1.67 + *
1.68 + * FIPS 180-2 section 4.1.3
1.69 + */
1.70 +// Equation 4.10
1.71 +inline TUint64 SHA512_SIGMA0(TUint64 aWord)
1.72 + {
1.73 + return (SHA_ROTR<TUint64>(28,aWord) ^ SHA_ROTR<TUint64>(34,aWord) ^ SHA_ROTR<TUint64>(39,aWord));
1.74 + }
1.75 +// Equation 4.11
1.76 +inline TUint64 SHA512_SIGMA1(TUint64 aWord)
1.77 + {
1.78 + return (SHA_ROTR<TUint64>(14,aWord) ^ SHA_ROTR<TUint64>(18,aWord) ^ SHA_ROTR<TUint64>(41,aWord));
1.79 + }
1.80 +// Equation 4.12
1.81 +inline TUint64 SHA512_sigma0(TUint64 aWord)
1.82 + {
1.83 + return (SHA_ROTR<TUint64>(1, aWord) ^ SHA_ROTR<TUint64>(8, aWord) ^ SHA_SHR<TUint64>(7, aWord));
1.84 + }
1.85 +// Equation 4.13
1.86 +inline TUint64 SHA512_sigma1(TUint64 aWord)
1.87 + {
1.88 + return (SHA_ROTR<TUint64>(19,aWord) ^ SHA_ROTR<TUint64>(61,aWord) ^ SHA_SHR<TUint64>(6,aWord));
1.89 + }
1.90 +
1.91 +// Macros
1.92 +inline TUint64 Make64BitWord(const TUint8* aData)
1.93 + {
1.94 + TUint64 result = (TUint64)aData[0] << 56 | (TUint64)aData[1] << 48 | (TUint64)aData[2] << 40 |
1.95 + (TUint64)aData[3] << 32 | (TUint64)aData[4] << 24 | (TUint64)aData[5] << 16 |
1.96 + (TUint64)aData[6] << 8 | (TUint64)aData[7];
1.97 + return result;
1.98 + }
1.99 +
1.100 +
1.101 +using namespace SoftwareCrypto;
1.102 +
1.103 +CSHA384And512Impl* CSHA384And512Impl::NewL(TInt aHashSize)
1.104 + {
1.105 + CSHA384And512Impl* self=new (ELeave) CSHA384And512Impl(aHashSize);
1.106 + return self;
1.107 + }
1.108 +
1.109 +CSHA384And512Impl::CSHA384And512Impl(TInt aHashSize) : iHash(aHashSize)
1.110 + {
1.111 + }
1.112 +
1.113 +CSHA384And512Impl::CSHA384And512Impl(const CSHA384And512Impl& aSHA512Impl)
1.114 + : iHash(aSHA512Impl.iHash),
1.115 + iA(aSHA512Impl.iA),
1.116 + iB(aSHA512Impl.iB),
1.117 + iC(aSHA512Impl.iC),
1.118 + iD(aSHA512Impl.iD),
1.119 + iE(aSHA512Impl.iE),
1.120 + iF(aSHA512Impl.iF),
1.121 + iG(aSHA512Impl.iG),
1.122 + iH(aSHA512Impl.iH),
1.123 + iNl(aSHA512Impl.iNl),
1.124 + iNh(aSHA512Impl.iNh),
1.125 + iBlockIndex(aSHA512Impl.iBlockIndex)
1.126 + {
1.127 + Mem::Copy(iData, aSHA512Impl.iData, KSHA512BlockSize*sizeof(TUint64));
1.128 + }
1.129 +
1.130 +void CSHA384And512Impl::Reset(const TAny* aValueArr)
1.131 + {
1.132 + const TUint64* values = static_cast<const TUint64*>(aValueArr);
1.133 + /**
1.134 + * Initial Hash Value
1.135 + *
1.136 + * These words were obtained by taking the first thirty-two bits
1.137 + * of the fractional parts of the square roots of the first eight
1.138 + * prime numbers.
1.139 + *
1.140 + * FIPS 180-2 Section 5.3.2
1.141 + */
1.142 + iA = values[0];
1.143 + iB = values[1];
1.144 + iC = values[2];
1.145 + iD = values[3];
1.146 + iE = values[4];
1.147 + iF = values[5];
1.148 + iG = values[6];
1.149 + iH = values[7];
1.150 + iNh = 0;
1.151 + iNl = 0;
1.152 + iBlockIndex = 0;
1.153 + }
1.154 +
1.155 +//This function will panic if the total input length is longer than 2^128 in bits
1.156 +_LIT(KPanicString, "Message length exceeds supported length");
1.157 +inline void CSHA384And512Impl::AddLength(const TUint64 aLength)
1.158 + {
1.159 + TUint64 temp = iNl;
1.160 + iNl += aLength << 3;
1.161 + __ASSERT_ALWAYS(((iNh != KMaxTUint64) || (temp <= iNl)), User::Panic(KPanicString, KErrOverflow));
1.162 + iNh += (temp > iNl);
1.163 + }
1.164 +
1.165 +// This assumes a big-endian architecture
1.166 +void CSHA384And512Impl::Update(const TUint8* aData,TUint aLength)
1.167 + {
1.168 + while((aLength / 8) > 0 && (iBlockIndex % 8 == 0))
1.169 + {
1.170 + iData[iBlockIndex>>3] = Make64BitWord(aData);
1.171 + iBlockIndex+=8;
1.172 + aData+=8;
1.173 + aLength-=8;
1.174 + if(iBlockIndex==KSHA512BlockSize)
1.175 + {
1.176 + Block();
1.177 + AddLength(KSHA512BlockSize);
1.178 + }
1.179 + }
1.180 +
1.181 + while(aLength--)
1.182 + {
1.183 + if(!(iBlockIndex&0x07))
1.184 + {
1.185 + iData[iBlockIndex >> 3] = 0;
1.186 + }
1.187 + iData[iBlockIndex >> 3] |= static_cast<TUint64>(*aData) << ((7 - iBlockIndex&0x07) << 3) ;
1.188 + ++aData;
1.189 + ++iBlockIndex;
1.190 + if(iBlockIndex==KSHA512BlockSize)
1.191 + {
1.192 + Block();
1.193 + AddLength(KSHA512BlockSize);
1.194 + }
1.195 + }
1.196 + }
1.197 +
1.198 +static inline void CSHA512_16( const TUint64 aA,
1.199 + const TUint64 aB,
1.200 + const TUint64 aC,
1.201 + TUint64& aD,
1.202 + const TUint64 aE,
1.203 + const TUint64 aF,
1.204 + const TUint64 aG,
1.205 + TUint64& aH,
1.206 + TUint64 aTemp1,
1.207 + TUint64 aTemp2,
1.208 + const TUint64 aK,
1.209 + const TUint64 aWord)
1.210 + {
1.211 + aTemp1 = aH + SHA512_SIGMA1(aE) + SHA_Ch(aE,aF,aG) + aK + aWord;
1.212 + aTemp2 = SHA512_SIGMA0(aA) + SHA_Maj(aA,aB,aC);
1.213 + aD = aD + aTemp1;
1.214 + aH = aTemp1 + aTemp2;
1.215 + }
1.216 +
1.217 +static inline void CSHA512_64( const TUint64 aA,
1.218 + const TUint64 aB,
1.219 + const TUint64 aC,
1.220 + TUint64& aD,
1.221 + const TUint64 aE,
1.222 + const TUint64 aF,
1.223 + const TUint64 aG,
1.224 + TUint64& aH,
1.225 + TUint64 aTemp1,
1.226 + TUint64 aTemp2,
1.227 + const TUint64 aK,
1.228 + TUint64& aWord0,
1.229 + const TUint64 aWord2,
1.230 + const TUint64 aWord7,
1.231 + const TUint64 aWord15,
1.232 + const TUint64 aWord16)
1.233 + {
1.234 + aWord0 = SHA512_sigma1(aWord2) + aWord7 + SHA512_sigma0(aWord15) + aWord16;
1.235 + CSHA512_16(aA, aB, aC, aD, aE, aF, aG, aH, aTemp1, aTemp2, aK, aWord0);
1.236 + }
1.237 +
1.238 +/**
1.239 + * This function actually calculates the hash.
1.240 + * Function is defined in FIPS 180-2 section 6.3.2
1.241 + *
1.242 + * This function is the expanded version of the following loop.
1.243 + * for(TUint i = 0; i < 80; ++i)
1.244 + * {
1.245 + * if(i >= 16)
1.246 + * {
1.247 + * iData[i] = SHA512_sigma1(iData[i-2]) + iData[i-7] + SHA512_sigma0(iData[i-15]) + iData[i-16];
1.248 + * }
1.249 + *
1.250 + * temp1 = tempH + SHA512_SIGMA1(tempE) + SHA_Ch(tempE,tempF,tempG) + K[i] + iData[i];
1.251 + * temp2 = SHA512_SIGMA0(tempA) + SHA_Maj(tempA,tempB,tempC);
1.252 + * tempH = tempG;
1.253 + * tempG = tempF;
1.254 + * tempF = tempE;
1.255 + * tempE = tempD + temp1;
1.256 + * tempD = tempC;
1.257 + * tempC = tempB;
1.258 + * tempB = tempA;
1.259 + * tempA = temp1 + temp2;
1.260 + * }
1.261 + */
1.262 +void CSHA384And512Impl::Block()
1.263 + {
1.264 + TUint64 tempA=iA;
1.265 + TUint64 tempB=iB;
1.266 + TUint64 tempC=iC;
1.267 + TUint64 tempD=iD;
1.268 + TUint64 tempE=iE;
1.269 + TUint64 tempF=iF;
1.270 + TUint64 tempG=iG;
1.271 + TUint64 tempH=iH;
1.272 + TUint64 temp1=0;
1.273 + TUint64 temp2=0;
1.274 +
1.275 + CSHA512_16(tempA,tempB,tempC,tempD,tempE,tempF,tempG,tempH,temp1,temp2,K[0],iData[0]);
1.276 + CSHA512_16(tempH,tempA,tempB,tempC,tempD,tempE,tempF,tempG,temp1,temp2,K[1],iData[1]);
1.277 + CSHA512_16(tempG,tempH,tempA,tempB,tempC,tempD,tempE,tempF,temp1,temp2,K[2],iData[2]);
1.278 + CSHA512_16(tempF,tempG,tempH,tempA,tempB,tempC,tempD,tempE,temp1,temp2,K[3],iData[3]);
1.279 + CSHA512_16(tempE,tempF,tempG,tempH,tempA,tempB,tempC,tempD,temp1,temp2,K[4],iData[4]);
1.280 + CSHA512_16(tempD,tempE,tempF,tempG,tempH,tempA,tempB,tempC,temp1,temp2,K[5],iData[5]);
1.281 + CSHA512_16(tempC,tempD,tempE,tempF,tempG,tempH,tempA,tempB,temp1,temp2,K[6],iData[6]);
1.282 + CSHA512_16(tempB,tempC,tempD,tempE,tempF,tempG,tempH,tempA,temp1,temp2,K[7],iData[7]);
1.283 +
1.284 + CSHA512_16(tempA,tempB,tempC,tempD,tempE,tempF,tempG,tempH,temp1,temp2,K[8],iData[8]);
1.285 + CSHA512_16(tempH,tempA,tempB,tempC,tempD,tempE,tempF,tempG,temp1,temp2,K[9],iData[9]);
1.286 + CSHA512_16(tempG,tempH,tempA,tempB,tempC,tempD,tempE,tempF,temp1,temp2,K[10],iData[10]);
1.287 + CSHA512_16(tempF,tempG,tempH,tempA,tempB,tempC,tempD,tempE,temp1,temp2,K[11],iData[11]);
1.288 + CSHA512_16(tempE,tempF,tempG,tempH,tempA,tempB,tempC,tempD,temp1,temp2,K[12],iData[12]);
1.289 + CSHA512_16(tempD,tempE,tempF,tempG,tempH,tempA,tempB,tempC,temp1,temp2,K[13],iData[13]);
1.290 + CSHA512_16(tempC,tempD,tempE,tempF,tempG,tempH,tempA,tempB,temp1,temp2,K[14],iData[14]);
1.291 + CSHA512_16(tempB,tempC,tempD,tempE,tempF,tempG,tempH,tempA,temp1,temp2,K[15],iData[15]);
1.292 +
1.293 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.294 + K[16], iData[16], iData[14], iData[9], iData[1], iData[0]);
1.295 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.296 + K[17], iData[17], iData[15], iData[10], iData[2], iData[1]);
1.297 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.298 + K[18], iData[18], iData[16], iData[11], iData[3], iData[2]);
1.299 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.300 + K[19], iData[19], iData[17], iData[12], iData[4], iData[3]);
1.301 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.302 + K[20], iData[20], iData[18], iData[13], iData[5], iData[4]);
1.303 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.304 + K[21], iData[21], iData[19], iData[14], iData[6], iData[5]);
1.305 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.306 + K[22], iData[22], iData[20], iData[15], iData[7], iData[6]);
1.307 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.308 + K[23], iData[23], iData[21], iData[16], iData[8], iData[7]);
1.309 +
1.310 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.311 + K[24], iData[24], iData[22], iData[17], iData[9], iData[8]);
1.312 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.313 + K[25], iData[25], iData[23], iData[18], iData[10], iData[9]);
1.314 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.315 + K[26], iData[26], iData[24], iData[19], iData[11], iData[10]);
1.316 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.317 + K[27], iData[27], iData[25], iData[20], iData[12], iData[11]);
1.318 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.319 + K[28], iData[28], iData[26], iData[21], iData[13], iData[12]);
1.320 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.321 + K[29], iData[29], iData[27], iData[22], iData[14], iData[13]);
1.322 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.323 + K[30], iData[30], iData[28], iData[23], iData[15], iData[14]);
1.324 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.325 + K[31], iData[31], iData[29], iData[24], iData[16], iData[15]);
1.326 +
1.327 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.328 + K[32], iData[32], iData[30], iData[25], iData[17], iData[16]);
1.329 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.330 + K[33], iData[33], iData[31], iData[26], iData[18], iData[17]);
1.331 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.332 + K[34], iData[34], iData[32], iData[27], iData[19], iData[18]);
1.333 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.334 + K[35], iData[35], iData[33], iData[28], iData[20], iData[19]);
1.335 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.336 + K[36], iData[36], iData[34], iData[29], iData[21], iData[20]);
1.337 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.338 + K[37], iData[37], iData[35], iData[30], iData[22], iData[21]);
1.339 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.340 + K[38], iData[38], iData[36], iData[31], iData[23], iData[22]);
1.341 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.342 + K[39], iData[39], iData[37], iData[32], iData[24], iData[23]);
1.343 +
1.344 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.345 + K[40], iData[40], iData[38], iData[33], iData[25], iData[24]);
1.346 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.347 + K[41], iData[41], iData[39], iData[34], iData[26], iData[25]);
1.348 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.349 + K[42], iData[42], iData[40], iData[35], iData[27], iData[26]);
1.350 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.351 + K[43], iData[43], iData[41], iData[36], iData[28], iData[27]);
1.352 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.353 + K[44], iData[44], iData[42], iData[37], iData[29], iData[28]);
1.354 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.355 + K[45], iData[45], iData[43], iData[38], iData[30], iData[29]);
1.356 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.357 + K[46], iData[46], iData[44], iData[39], iData[31], iData[30]);
1.358 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.359 + K[47], iData[47], iData[45], iData[40], iData[32], iData[31]);
1.360 +
1.361 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.362 + K[48], iData[48], iData[46], iData[41], iData[33], iData[32]);
1.363 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.364 + K[49], iData[49], iData[47], iData[42], iData[34], iData[33]);
1.365 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.366 + K[50], iData[50], iData[48], iData[43], iData[35], iData[34]);
1.367 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.368 + K[51], iData[51], iData[49], iData[44], iData[36], iData[35]);
1.369 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.370 + K[52], iData[52], iData[50], iData[45], iData[37], iData[36]);
1.371 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.372 + K[53], iData[53], iData[51], iData[46], iData[38], iData[37]);
1.373 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.374 + K[54], iData[54], iData[52], iData[47], iData[39], iData[38]);
1.375 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.376 + K[55], iData[55], iData[53], iData[48], iData[40], iData[39]);
1.377 +
1.378 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.379 + K[56], iData[56], iData[54], iData[49], iData[41], iData[40]);
1.380 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.381 + K[57], iData[57], iData[55], iData[50], iData[42], iData[41]);
1.382 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.383 + K[58], iData[58], iData[56], iData[51], iData[43], iData[42]);
1.384 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.385 + K[59], iData[59], iData[57], iData[52], iData[44], iData[43]);
1.386 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.387 + K[60], iData[60], iData[58], iData[53], iData[45], iData[44]);
1.388 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.389 + K[61], iData[61], iData[59], iData[54], iData[46], iData[45]);
1.390 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.391 + K[62], iData[62], iData[60], iData[55], iData[47], iData[46]);
1.392 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.393 + K[63], iData[63], iData[61], iData[56], iData[48], iData[47]);
1.394 +
1.395 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.396 + K[64], iData[64], iData[62], iData[57], iData[49], iData[48]);
1.397 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.398 + K[65], iData[65], iData[63], iData[58], iData[50], iData[49]);
1.399 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.400 + K[66], iData[66], iData[64], iData[59], iData[51], iData[50]);
1.401 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.402 + K[67], iData[67], iData[65], iData[60], iData[52], iData[51]);
1.403 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.404 + K[68], iData[68], iData[66], iData[61], iData[53], iData[52]);
1.405 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.406 + K[69], iData[69], iData[67], iData[62], iData[54], iData[53]);
1.407 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.408 + K[70], iData[70], iData[68], iData[63], iData[55], iData[54]);
1.409 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.410 + K[71], iData[71], iData[69], iData[64], iData[56], iData[55]);
1.411 +
1.412 + CSHA512_64( tempA, tempB, tempC, tempD, tempE, tempF, tempG, tempH, temp1, temp2,
1.413 + K[72], iData[72], iData[70], iData[65], iData[57], iData[56]);
1.414 + CSHA512_64( tempH, tempA, tempB, tempC, tempD, tempE, tempF, tempG, temp1, temp2,
1.415 + K[73], iData[73], iData[71], iData[66], iData[58], iData[57]);
1.416 + CSHA512_64( tempG, tempH, tempA, tempB, tempC, tempD, tempE, tempF, temp1, temp2,
1.417 + K[74], iData[74], iData[72], iData[67], iData[59], iData[58]);
1.418 + CSHA512_64( tempF, tempG, tempH, tempA, tempB, tempC, tempD, tempE, temp1, temp2,
1.419 + K[75], iData[75], iData[73], iData[68], iData[60], iData[59]);
1.420 + CSHA512_64( tempE, tempF, tempG, tempH, tempA, tempB, tempC, tempD, temp1, temp2,
1.421 + K[76], iData[76], iData[74], iData[69], iData[61], iData[60]);
1.422 + CSHA512_64( tempD, tempE, tempF, tempG, tempH, tempA, tempB, tempC, temp1, temp2,
1.423 + K[77], iData[77], iData[75], iData[70], iData[62], iData[61]);
1.424 + CSHA512_64( tempC, tempD, tempE, tempF, tempG, tempH, tempA, tempB, temp1, temp2,
1.425 + K[78], iData[78], iData[76], iData[71], iData[63], iData[62]);
1.426 + CSHA512_64( tempB, tempC, tempD, tempE, tempF, tempG, tempH, tempA, temp1, temp2,
1.427 + K[79], iData[79], iData[77], iData[72], iData[64], iData[63]);
1.428 +
1.429 + iA+=tempA;
1.430 + iB+=tempB;
1.431 + iC+=tempC;
1.432 + iD+=tempD;
1.433 + iE+=tempE;
1.434 + iF+=tempF;
1.435 + iG+=tempG;
1.436 + iH+=tempH;
1.437 +
1.438 + iBlockIndex=0;
1.439 + }
1.440 +
1.441 +/**
1.442 + * According to the standard, the message must be padded to an
1.443 + * even 512 bits. The first padding bit must be a '1'. The last
1.444 + * 64 bits represent the length of the original message. All bits
1.445 + * in between should be 0. This helper function will pad the
1.446 + * message according to those rules by filling the iData array
1.447 + * accordingly.
1.448 + */
1.449 +void CSHA384And512Impl::PadMessage()
1.450 + {
1.451 + const TUint64 padByte = 0x80;
1.452 +
1.453 + if(!(iBlockIndex&0x07))
1.454 + {
1.455 + iData[iBlockIndex >> 3] = 0;
1.456 + }
1.457 + iData[iBlockIndex >> 3] |= padByte << ((7 - iBlockIndex&0x07) << 3) ;
1.458 +
1.459 + if (iBlockIndex >= (KSHA512BlockSize - 2*sizeof(TUint64)))
1.460 + {
1.461 + if (iBlockIndex < (KSHA512BlockSize - sizeof(TUint64)))
1.462 + iData[(KSHA512BlockSize>>3)-1]=0;
1.463 + Block();
1.464 + Mem::FillZ(iData,KSHA512BlockSize);
1.465 + }
1.466 + else
1.467 + {
1.468 + const TUint offset=(iBlockIndex+8)>>3; //+8 to account for the word added in the
1.469 + //switch statement above
1.470 + Mem::FillZ(iData+offset, (KSHA512BlockSize - offset*sizeof(TUint64)));
1.471 + }
1.472 +
1.473 + iData[(KSHA512BlockSize >> 3) - 2] = iNh;
1.474 + iData[(KSHA512BlockSize >> 3) - 1] = iNl;
1.475 + }
1.476 +
1.477 +inline void CSHA384And512Impl::CopyWordToHash(TUint64 aVal, TUint aIndex)
1.478 + {
1.479 + TUint64 value = Make64BitWord(reinterpret_cast<TUint8*>(&aVal));
1.480 + Mem::Copy(const_cast<TUint8*>(iHash.Ptr())+ (8*aIndex), &value, sizeof(aVal));
1.481 + }
1.482 +
1.483 +const TDesC8& CSHA384And512Impl::Final()
1.484 + {
1.485 + AddLength(iBlockIndex);
1.486 + PadMessage();
1.487 + Block();
1.488 + //
1.489 + // Generate hash value into iHash
1.490 + //
1.491 + CopyWordToHash(iA, 0);
1.492 + CopyWordToHash(iB, 1);
1.493 + CopyWordToHash(iC, 2);
1.494 + CopyWordToHash(iD, 3);
1.495 + CopyWordToHash(iE, 4);
1.496 + CopyWordToHash(iF, 5);
1.497 + CopyWordToHash(iG, 6);
1.498 + CopyWordToHash(iH, 7);
1.499 +
1.500 + return iHash;
1.501 + }
1.502 +
1.503 +void CSHA384And512Impl::RestoreState()
1.504 + {
1.505 + iA = iACopy;
1.506 + iB = iBCopy;
1.507 + iC = iCCopy;
1.508 + iD = iDCopy;
1.509 + iE = iECopy;
1.510 + iF = iFCopy;
1.511 + iG = iGCopy;
1.512 + iH = iHCopy;
1.513 + iNl = iNlCopy;
1.514 + iNh = iNhCopy;
1.515 + iBlockIndex = iBlockIndexCopy;
1.516 + Mem::Copy((TAny*)iData, (TAny*)iDataCopy, KSHA512BlockSize*sizeof(TUint64));
1.517 + }
1.518 +
1.519 +void CSHA384And512Impl::StoreState()
1.520 + {
1.521 + iACopy = iA;
1.522 + iBCopy = iB;
1.523 + iCCopy = iC;
1.524 + iDCopy = iD;
1.525 + iECopy = iE;
1.526 + iFCopy = iF;
1.527 + iGCopy = iG;
1.528 + iHCopy = iH;
1.529 + iNlCopy = iNl;
1.530 + iNhCopy = iNh;
1.531 + iBlockIndexCopy = iBlockIndex;
1.532 + Mem::Copy((TAny*)iDataCopy, (TAny*)iData, KSHA512BlockSize*sizeof(TUint64));
1.533 + }
1.534 +
1.535 +// Implemented in hmacimpl.cpp or softwarehashbase.cpp
1.536 +// but required as derived from MHash. No coverage here.
1.537 +#ifdef _BullseyeCoverage
1.538 +#pragma suppress_warnings on
1.539 +#pragma BullseyeCoverage off
1.540 +#pragma suppress_warnings off
1.541 +#endif
1.542 +