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https://github.com/xmrig/xmrig.git
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Removed DefyX support
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MoneroOcean
271
src/crypto/randomx/panthera/KangarooTwelve.c
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271
src/crypto/randomx/panthera/KangarooTwelve.c
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/*
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Implementation by Ronny Van Keer, hereby denoted as "the implementer".
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For more information, feedback or questions, please refer to our website:
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https://keccak.team/
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To the extent possible under law, the implementer has waived all copyright
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and related or neighboring rights to the source code in this file.
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http://creativecommons.org/publicdomain/zero/1.0/
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*/
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#include <string.h>
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#include "KangarooTwelve.h"
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#ifndef KeccakP1600timesN_excluded
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// #include "KeccakP-1600-times2-SnP.h"
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// #include "KeccakP-1600-times4-SnP.h"
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// #include "KeccakP-1600-times8-SnP.h"
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#endif
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#define chunkSize 8192
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#define laneSize 8
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#define suffixLeaf 0x0B /* '110': message hop, simple padding, inner node */
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#define security 128
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#define capacity (2*security)
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#define capacityInBytes (capacity/8)
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#define capacityInLanes (capacityInBytes/laneSize)
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#define rate (1600-capacity)
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#define rateInBytes (rate/8)
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#define rateInLanes (rateInBytes/laneSize)
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#define ParallelSpongeFastLoop( Parallellism ) \
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while ( inLen >= Parallellism * chunkSize ) { \
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ALIGN(KeccakP1600times##Parallellism##_statesAlignment) unsigned char states[KeccakP1600times##Parallellism##_statesSizeInBytes]; \
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unsigned char intermediate[Parallellism*capacityInBytes]; \
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unsigned int localBlockLen = chunkSize; \
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const unsigned char * localInput = input; \
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unsigned int i; \
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unsigned int fastLoopOffset; \
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\
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KeccakP1600times##Parallellism##_StaticInitialize(); \
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KeccakP1600times##Parallellism##_InitializeAll(states); \
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fastLoopOffset = KeccakP1600times##Parallellism##_12rounds_FastLoop_Absorb(states, rateInLanes, chunkSize / laneSize, rateInLanes, localInput, Parallellism * chunkSize); \
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localBlockLen -= fastLoopOffset; \
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localInput += fastLoopOffset; \
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for ( i = 0; i < Parallellism; ++i, localInput += chunkSize ) { \
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KeccakP1600times##Parallellism##_AddBytes(states, i, localInput, 0, localBlockLen); \
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KeccakP1600times##Parallellism##_AddByte(states, i, suffixLeaf, localBlockLen); \
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KeccakP1600times##Parallellism##_AddByte(states, i, 0x80, rateInBytes-1); \
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} \
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KeccakP1600times##Parallellism##_PermuteAll_12rounds(states); \
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input += Parallellism * chunkSize; \
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inLen -= Parallellism * chunkSize; \
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ktInstance->blockNumber += Parallellism; \
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KeccakP1600times##Parallellism##_ExtractLanesAll(states, intermediate, capacityInLanes, capacityInLanes ); \
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, Parallellism * capacityInBytes) != 0) return 1; \
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}
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#define ParallelSpongeLoop( Parallellism ) \
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while ( inLen >= Parallellism * chunkSize ) { \
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ALIGN(KeccakP1600times##Parallellism##_statesAlignment) unsigned char states[KeccakP1600times##Parallellism##_statesSizeInBytes]; \
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unsigned char intermediate[Parallellism*capacityInBytes]; \
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unsigned int localBlockLen = chunkSize; \
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const unsigned char * localInput = input; \
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unsigned int i; \
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\
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KeccakP1600times##Parallellism##_StaticInitialize(); \
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KeccakP1600times##Parallellism##_InitializeAll(states); \
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while(localBlockLen >= rateInBytes) { \
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KeccakP1600times##Parallellism##_AddLanesAll(states, localInput, rateInLanes, chunkSize / laneSize); \
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KeccakP1600times##Parallellism##_PermuteAll_12rounds(states); \
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localBlockLen -= rateInBytes; \
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localInput += rateInBytes; \
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} \
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for ( i = 0; i < Parallellism; ++i, localInput += chunkSize ) { \
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KeccakP1600times##Parallellism##_AddBytes(states, i, localInput, 0, localBlockLen); \
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KeccakP1600times##Parallellism##_AddByte(states, i, suffixLeaf, localBlockLen); \
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KeccakP1600times##Parallellism##_AddByte(states, i, 0x80, rateInBytes-1); \
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} \
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KeccakP1600times##Parallellism##_PermuteAll_12rounds(states); \
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input += Parallellism * chunkSize; \
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inLen -= Parallellism * chunkSize; \
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ktInstance->blockNumber += Parallellism; \
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KeccakP1600times##Parallellism##_ExtractLanesAll(states, intermediate, capacityInLanes, capacityInLanes ); \
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, Parallellism * capacityInBytes) != 0) return 1; \
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}
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static unsigned int right_encode( unsigned char * encbuf, size_t value )
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{
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unsigned int n, i;
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size_t v;
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for ( v = value, n = 0; v && (n < sizeof(size_t)); ++n, v >>= 8 )
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; /* empty */
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for ( i = 1; i <= n; ++i )
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encbuf[i-1] = (unsigned char)(value >> (8 * (n-i)));
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encbuf[n] = (unsigned char)n;
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return n + 1;
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}
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int KangarooTwelve_Initialize(KangarooTwelve_Instance *ktInstance, size_t outputLen)
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{
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ktInstance->fixedOutputLength = outputLen;
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ktInstance->queueAbsorbedLen = 0;
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ktInstance->blockNumber = 0;
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ktInstance->phase = ABSORBING;
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return KeccakWidth1600_12rounds_SpongeInitialize(&ktInstance->finalNode, rate, capacity);
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}
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int KangarooTwelve_Update(KangarooTwelve_Instance *ktInstance, const unsigned char *input, size_t inLen)
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{
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if (ktInstance->phase != ABSORBING)
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return 1;
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if ( ktInstance->blockNumber == 0 ) {
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/* First block, absorb in final node */
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unsigned int len = (inLen < (chunkSize - ktInstance->queueAbsorbedLen)) ? inLen : (chunkSize - ktInstance->queueAbsorbedLen);
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, input, len) != 0)
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return 1;
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input += len;
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inLen -= len;
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ktInstance->queueAbsorbedLen += len;
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if ( (ktInstance->queueAbsorbedLen == chunkSize) && (inLen != 0) ) {
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/* First block complete and more input data available, finalize it */
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const unsigned char padding = 0x03; /* '110^6': message hop, simple padding */
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ktInstance->queueAbsorbedLen = 0;
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ktInstance->blockNumber = 1;
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, &padding, 1) != 0)
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return 1;
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ktInstance->finalNode.byteIOIndex = (ktInstance->finalNode.byteIOIndex + 7) & ~7; /* Zero padding up to 64 bits */
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}
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}
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else if ( ktInstance->queueAbsorbedLen != 0 ) {
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/* There is data in the queue, absorb further in queue until block complete */
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unsigned int len = (inLen < (chunkSize - ktInstance->queueAbsorbedLen)) ? inLen : (chunkSize - ktInstance->queueAbsorbedLen);
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->queueNode, input, len) != 0)
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return 1;
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input += len;
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inLen -= len;
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ktInstance->queueAbsorbedLen += len;
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if ( ktInstance->queueAbsorbedLen == chunkSize ) {
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unsigned char intermediate[capacityInBytes];
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ktInstance->queueAbsorbedLen = 0;
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++ktInstance->blockNumber;
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if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->queueNode, suffixLeaf) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->queueNode, intermediate, capacityInBytes) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, capacityInBytes) != 0)
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return 1;
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}
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}
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#if defined(KeccakP1600times8_implementation) && !defined(KeccakP1600times8_isFallback)
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#if defined(KeccakP1600times8_12rounds_FastLoop_supported)
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ParallelSpongeFastLoop( 8 )
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#else
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ParallelSpongeLoop( 8 )
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#endif
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#endif
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#if defined(KeccakP1600times4_implementation) && !defined(KeccakP1600times4_isFallback)
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#if defined(KeccakP1600times4_12rounds_FastLoop_supported)
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ParallelSpongeFastLoop( 4 )
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#else
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ParallelSpongeLoop( 4 )
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#endif
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#endif
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#if defined(KeccakP1600times2_implementation) && !defined(KeccakP1600times2_isFallback)
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#if defined(KeccakP1600times2_12rounds_FastLoop_supported)
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ParallelSpongeFastLoop( 2 )
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#else
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ParallelSpongeLoop( 2 )
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#endif
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#endif
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while ( inLen > 0 ) {
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unsigned int len = (inLen < chunkSize) ? inLen : chunkSize;
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if (KeccakWidth1600_12rounds_SpongeInitialize(&ktInstance->queueNode, rate, capacity) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->queueNode, input, len) != 0)
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return 1;
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input += len;
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inLen -= len;
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if ( len == chunkSize ) {
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unsigned char intermediate[capacityInBytes];
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++ktInstance->blockNumber;
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if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->queueNode, suffixLeaf) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->queueNode, intermediate, capacityInBytes) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, capacityInBytes) != 0)
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return 1;
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}
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else
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ktInstance->queueAbsorbedLen = len;
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}
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return 0;
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}
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int KangarooTwelve_Final(KangarooTwelve_Instance *ktInstance, unsigned char * output, const unsigned char * customization, size_t customLen)
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{
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unsigned char encbuf[sizeof(size_t)+1+2];
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unsigned char padding;
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if (ktInstance->phase != ABSORBING)
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return 1;
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/* Absorb customization | right_encode(customLen) */
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if ((customLen != 0) && (KangarooTwelve_Update(ktInstance, customization, customLen) != 0))
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return 1;
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if (KangarooTwelve_Update(ktInstance, encbuf, right_encode(encbuf, customLen)) != 0)
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return 1;
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if ( ktInstance->blockNumber == 0 ) {
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/* Non complete first block in final node, pad it */
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padding = 0x07; /* '11': message hop, final node */
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}
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else {
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unsigned int n;
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if ( ktInstance->queueAbsorbedLen != 0 ) {
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/* There is data in the queue node */
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unsigned char intermediate[capacityInBytes];
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++ktInstance->blockNumber;
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if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->queueNode, suffixLeaf) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->queueNode, intermediate, capacityInBytes) != 0)
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return 1;
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, intermediate, capacityInBytes) != 0)
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return 1;
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}
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--ktInstance->blockNumber; /* Absorb right_encode(number of Chaining Values) || 0xFF || 0xFF */
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n = right_encode(encbuf, ktInstance->blockNumber);
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encbuf[n++] = 0xFF;
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encbuf[n++] = 0xFF;
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if (KeccakWidth1600_12rounds_SpongeAbsorb(&ktInstance->finalNode, encbuf, n) != 0)
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return 1;
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padding = 0x06; /* '01': chaining hop, final node */
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}
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if (KeccakWidth1600_12rounds_SpongeAbsorbLastFewBits(&ktInstance->finalNode, padding) != 0)
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return 1;
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if ( ktInstance->fixedOutputLength != 0 ) {
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ktInstance->phase = FINAL;
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return KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->finalNode, output, ktInstance->fixedOutputLength);
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}
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ktInstance->phase = SQUEEZING;
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return 0;
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}
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int KangarooTwelve_Squeeze(KangarooTwelve_Instance *ktInstance, unsigned char * output, size_t outputLen)
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{
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if (ktInstance->phase != SQUEEZING)
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return 1;
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return KeccakWidth1600_12rounds_SpongeSqueeze(&ktInstance->finalNode, output, outputLen);
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}
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int KangarooTwelve( const unsigned char * input, size_t inLen, unsigned char * output, size_t outLen, const unsigned char * customization, size_t customLen )
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{
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KangarooTwelve_Instance ktInstance;
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if (outLen == 0)
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return 1;
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if (KangarooTwelve_Initialize(&ktInstance, outLen) != 0)
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return 1;
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if (KangarooTwelve_Update(&ktInstance, input, inLen) != 0)
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return 1;
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return KangarooTwelve_Final(&ktInstance, output, customization, customLen);
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}
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