cpython/Modules/_sha3/kcp/PlSnP-Fallback.inc at pythoncapi · pythoncapi/cpython · GitHub

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Implementation by the Keccak, Keyak and Ketje Teams, namely, Guido Bertoni,

Joan Daemen, Michaël Peeters, Gilles Van Assche and Ronny Van Keer, hereby

denoted as "the implementer".

For more information, feedback or questions, please refer to our websites:

http://keccak.noekeon.org/

http://keyak.noekeon.org/

http://ketje.noekeon.org/

To the extent possible under law, the implementer has waived all copyright

and related or neighboring rights to the source code in this file.

http://creativecommons.org/publicdomain/zero/1.0/

/* expect PlSnP_baseParallelism, PlSnP_targetParallelism */

/* expect SnP_stateSizeInBytes, SnP_stateAlignment */

/* expect prefix */

/* expect SnP_* */

#define JOIN0(a, b) a ## b

#define JOIN(a, b) JOIN0(a, b)

#define PlSnP_StaticInitialize JOIN(prefix, _StaticInitialize)

#define PlSnP_InitializeAll JOIN(prefix, _InitializeAll)

#define PlSnP_AddByte JOIN(prefix, _AddByte)

#define PlSnP_AddBytes JOIN(prefix, _AddBytes)

#define PlSnP_AddLanesAll JOIN(prefix, _AddLanesAll)

#define PlSnP_OverwriteBytes JOIN(prefix, _OverwriteBytes)

#define PlSnP_OverwriteLanesAll JOIN(prefix, _OverwriteLanesAll)

#define PlSnP_OverwriteWithZeroes JOIN(prefix, _OverwriteWithZeroes)

#define PlSnP_ExtractBytes JOIN(prefix, _ExtractBytes)

#define PlSnP_ExtractLanesAll JOIN(prefix, _ExtractLanesAll)

#define PlSnP_ExtractAndAddBytes JOIN(prefix, _ExtractAndAddBytes)

#define PlSnP_ExtractAndAddLanesAll JOIN(prefix, _ExtractAndAddLanesAll)

#if (PlSnP_baseParallelism == 1)

#define SnP_stateSizeInBytes JOIN(SnP, _stateSizeInBytes)

#define SnP_stateAlignment JOIN(SnP, _stateAlignment)

#else

#define SnP_stateSizeInBytes JOIN(SnP, _statesSizeInBytes)

#define SnP_stateAlignment JOIN(SnP, _statesAlignment)

#endif

#define PlSnP_factor ((PlSnP_targetParallelism)/(PlSnP_baseParallelism))

#define SnP_stateOffset (((SnP_stateSizeInBytes+(SnP_stateAlignment-1))/SnP_stateAlignment)*SnP_stateAlignment)

#define stateWithIndex(i) ((unsigned char *)states+((i)*SnP_stateOffset))

#define SnP_StaticInitialize JOIN(SnP, _StaticInitialize)

#define SnP_Initialize JOIN(SnP, _Initialize)

#define SnP_InitializeAll JOIN(SnP, _InitializeAll)

#define SnP_AddByte JOIN(SnP, _AddByte)

#define SnP_AddBytes JOIN(SnP, _AddBytes)

#define SnP_AddLanesAll JOIN(SnP, _AddLanesAll)

#define SnP_OverwriteBytes JOIN(SnP, _OverwriteBytes)

#define SnP_OverwriteLanesAll JOIN(SnP, _OverwriteLanesAll)

#define SnP_OverwriteWithZeroes JOIN(SnP, _OverwriteWithZeroes)

#define SnP_ExtractBytes JOIN(SnP, _ExtractBytes)

#define SnP_ExtractLanesAll JOIN(SnP, _ExtractLanesAll)

#define SnP_ExtractAndAddBytes JOIN(SnP, _ExtractAndAddBytes)

#define SnP_ExtractAndAddLanesAll JOIN(SnP, _ExtractAndAddLanesAll)

void PlSnP_StaticInitialize( void )

{

SnP_StaticInitialize();

}

void PlSnP_InitializeAll(void *states)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++)

#if (PlSnP_baseParallelism == 1)

SnP_Initialize(stateWithIndex(i));

#else

SnP_InitializeAll(stateWithIndex(i));

#endif

}

void PlSnP_AddByte(void *states, unsigned int instanceIndex, unsigned char byte, unsigned int offset)

{

#if (PlSnP_baseParallelism == 1)

SnP_AddByte(stateWithIndex(instanceIndex), byte, offset);

#else

SnP_AddByte(stateWithIndex(instanceIndex/PlSnP_baseParallelism), instanceIndex%PlSnP_baseParallelism, byte, offset);

#endif

}

void PlSnP_AddBytes(void *states, unsigned int instanceIndex, const unsigned char *data, unsigned int offset, unsigned int length)

{

#if (PlSnP_baseParallelism == 1)

SnP_AddBytes(stateWithIndex(instanceIndex), data, offset, length);

#else

SnP_AddBytes(stateWithIndex(instanceIndex/PlSnP_baseParallelism), instanceIndex%PlSnP_baseParallelism, data, offset, length);

#endif

}

void PlSnP_AddLanesAll(void *states, const unsigned char *data, unsigned int laneCount, unsigned int laneOffset)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++) {

#if (PlSnP_baseParallelism == 1)

SnP_AddBytes(stateWithIndex(i), data, 0, laneCount*SnP_laneLengthInBytes);

#else

SnP_AddLanesAll(stateWithIndex(i), data, laneCount, laneOffset);

#endif

data += PlSnP_baseParallelism*laneOffset*SnP_laneLengthInBytes;

}

void PlSnP_OverwriteBytes(void *states, unsigned int instanceIndex, const unsigned char *data, unsigned int offset, unsigned int length)

{

#if (PlSnP_baseParallelism == 1)

SnP_OverwriteBytes(stateWithIndex(instanceIndex), data, offset, length);

#else

SnP_OverwriteBytes(stateWithIndex(instanceIndex/PlSnP_baseParallelism), instanceIndex%PlSnP_baseParallelism, data, offset, length);

#endif

}

void PlSnP_OverwriteLanesAll(void *states, const unsigned char *data, unsigned int laneCount, unsigned int laneOffset)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++) {

#if (PlSnP_baseParallelism == 1)

SnP_OverwriteBytes(stateWithIndex(i), data, 0, laneCount*SnP_laneLengthInBytes);

#else

SnP_OverwriteLanesAll(stateWithIndex(i), data, laneCount, laneOffset);

#endif

data += PlSnP_baseParallelism*laneOffset*SnP_laneLengthInBytes;

}

void PlSnP_OverwriteWithZeroes(void *states, unsigned int instanceIndex, unsigned int byteCount)

{

#if (PlSnP_baseParallelism == 1)

SnP_OverwriteWithZeroes(stateWithIndex(instanceIndex), byteCount);

#else

SnP_OverwriteWithZeroes(stateWithIndex(instanceIndex/PlSnP_baseParallelism), instanceIndex%PlSnP_baseParallelism, byteCount);

#endif

}

void PlSnP_PermuteAll(void *states)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++) {

#if (PlSnP_baseParallelism == 1)

SnP_Permute(stateWithIndex(i));

#else

SnP_PermuteAll(stateWithIndex(i));

#endif

}

#if (defined(SnP_Permute_12rounds) || defined(SnP_PermuteAll_12rounds))

void PlSnP_PermuteAll_12rounds(void *states)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++) {

#if (PlSnP_baseParallelism == 1)

SnP_Permute_12rounds(stateWithIndex(i));

#else

SnP_PermuteAll_12rounds(stateWithIndex(i));

#endif

}

#endif

void PlSnP_ExtractBytes(void *states, unsigned int instanceIndex, unsigned char *data, unsigned int offset, unsigned int length)

{

#if (PlSnP_baseParallelism == 1)

SnP_ExtractBytes(stateWithIndex(instanceIndex), data, offset, length);

#else

SnP_ExtractBytes(stateWithIndex(instanceIndex/PlSnP_baseParallelism), instanceIndex%PlSnP_baseParallelism, data, offset, length);

#endif

}

void PlSnP_ExtractLanesAll(const void *states, unsigned char *data, unsigned int laneCount, unsigned int laneOffset)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++) {

#if (PlSnP_baseParallelism == 1)

SnP_ExtractBytes(stateWithIndex(i), data, 0, laneCount*SnP_laneLengthInBytes);

#else

SnP_ExtractLanesAll(stateWithIndex(i), data, laneCount, laneOffset);

#endif

data += laneOffset*SnP_laneLengthInBytes*PlSnP_baseParallelism;

}

void PlSnP_ExtractAndAddBytes(void *states, unsigned int instanceIndex, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length)

{

#if (PlSnP_baseParallelism == 1)

SnP_ExtractAndAddBytes(stateWithIndex(instanceIndex), input, output, offset, length);

#else

SnP_ExtractAndAddBytes(stateWithIndex(instanceIndex/PlSnP_baseParallelism), instanceIndex%PlSnP_baseParallelism, input, output, offset, length);

#endif

}

void PlSnP_ExtractAndAddLanesAll(const void *states, const unsigned char *input, unsigned char *output, unsigned int laneCount, unsigned int laneOffset)

{

unsigned int i;

for(i=0; i<PlSnP_factor; i++) {

#if (PlSnP_baseParallelism == 1)

SnP_ExtractAndAddBytes(stateWithIndex(i), input, output, 0, laneCount*SnP_laneLengthInBytes);

#else

SnP_ExtractAndAddLanesAll(stateWithIndex(i), input, output, laneCount, laneOffset);

#endif

input += laneOffset*SnP_laneLengthInBytes*PlSnP_baseParallelism;

output += laneOffset*SnP_laneLengthInBytes*PlSnP_baseParallelism;

}

#undef PlSnP_factor

#undef SnP_stateOffset

#undef stateWithIndex

#undef JOIN0

#undef JOIN

#undef PlSnP_StaticInitialize

#undef PlSnP_InitializeAll

#undef PlSnP_AddByte

#undef PlSnP_AddBytes

#undef PlSnP_AddLanesAll

#undef PlSnP_OverwriteBytes

#undef PlSnP_OverwriteLanesAll

#undef PlSnP_OverwriteWithZeroes

#undef PlSnP_PermuteAll

#undef PlSnP_ExtractBytes

#undef PlSnP_ExtractLanesAll

#undef PlSnP_ExtractAndAddBytes

#undef PlSnP_ExtractAndAddLanesAll

#undef SnP_stateAlignment

#undef SnP_stateSizeInBytes

#undef PlSnP_factor

#undef SnP_stateOffset

#undef stateWithIndex

#undef SnP_StaticInitialize

#undef SnP_Initialize

#undef SnP_InitializeAll

#undef SnP_AddByte

#undef SnP_AddBytes

#undef SnP_AddLanesAll

#undef SnP_OverwriteBytes

#undef SnP_OverwriteWithZeroes

#undef SnP_OverwriteLanesAll

#undef SnP_ExtractBytes

#undef SnP_ExtractLanesAll

#undef SnP_ExtractAndAddBytes

#undef SnP_ExtractAndAddLanesAll

cpython/Modules/_sha3/kcp/PlSnP-Fallback.inc at pythoncapi · pythoncapi/cpython · GitHub

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