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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/
- */
- #ifndef _SnP_Relaned_h_
- #define _SnP_Relaned_h_
- #define SnP_AddBytes(state, data, offset, length, SnP_AddLanes, SnP_AddBytesInLane, SnP_laneLengthInBytes) \
- { \
- if ((offset) == 0) { \
- SnP_AddLanes(state, data, (length)/SnP_laneLengthInBytes); \
- SnP_AddBytesInLane(state, \
- (length)/SnP_laneLengthInBytes, \
- (data)+((length)/SnP_laneLengthInBytes)*SnP_laneLengthInBytes, \
- 0, \
- (length)%SnP_laneLengthInBytes); \
- } \
- else { \
- unsigned int _sizeLeft = (length); \
- unsigned int _lanePosition = (offset)/SnP_laneLengthInBytes; \
- unsigned int _offsetInLane = (offset)%SnP_laneLengthInBytes; \
- const unsigned char *_curData = (data); \
- while(_sizeLeft > 0) { \
- unsigned int _bytesInLane = SnP_laneLengthInBytes - _offsetInLane; \
- if (_bytesInLane > _sizeLeft) \
- _bytesInLane = _sizeLeft; \
- SnP_AddBytesInLane(state, _lanePosition, _curData, _offsetInLane, _bytesInLane); \
- _sizeLeft -= _bytesInLane; \
- _lanePosition++; \
- _offsetInLane = 0; \
- _curData += _bytesInLane; \
- } \
- } \
- }
- #define SnP_OverwriteBytes(state, data, offset, length, SnP_OverwriteLanes, SnP_OverwriteBytesInLane, SnP_laneLengthInBytes) \
- { \
- if ((offset) == 0) { \
- SnP_OverwriteLanes(state, data, (length)/SnP_laneLengthInBytes); \
- SnP_OverwriteBytesInLane(state, \
- (length)/SnP_laneLengthInBytes, \
- (data)+((length)/SnP_laneLengthInBytes)*SnP_laneLengthInBytes, \
- 0, \
- (length)%SnP_laneLengthInBytes); \
- } \
- else { \
- unsigned int _sizeLeft = (length); \
- unsigned int _lanePosition = (offset)/SnP_laneLengthInBytes; \
- unsigned int _offsetInLane = (offset)%SnP_laneLengthInBytes; \
- const unsigned char *_curData = (data); \
- while(_sizeLeft > 0) { \
- unsigned int _bytesInLane = SnP_laneLengthInBytes - _offsetInLane; \
- if (_bytesInLane > _sizeLeft) \
- _bytesInLane = _sizeLeft; \
- SnP_OverwriteBytesInLane(state, _lanePosition, _curData, _offsetInLane, _bytesInLane); \
- _sizeLeft -= _bytesInLane; \
- _lanePosition++; \
- _offsetInLane = 0; \
- _curData += _bytesInLane; \
- } \
- } \
- }
- #define SnP_ExtractBytes(state, data, offset, length, SnP_ExtractLanes, SnP_ExtractBytesInLane, SnP_laneLengthInBytes) \
- { \
- if ((offset) == 0) { \
- SnP_ExtractLanes(state, data, (length)/SnP_laneLengthInBytes); \
- SnP_ExtractBytesInLane(state, \
- (length)/SnP_laneLengthInBytes, \
- (data)+((length)/SnP_laneLengthInBytes)*SnP_laneLengthInBytes, \
- 0, \
- (length)%SnP_laneLengthInBytes); \
- } \
- else { \
- unsigned int _sizeLeft = (length); \
- unsigned int _lanePosition = (offset)/SnP_laneLengthInBytes; \
- unsigned int _offsetInLane = (offset)%SnP_laneLengthInBytes; \
- unsigned char *_curData = (data); \
- while(_sizeLeft > 0) { \
- unsigned int _bytesInLane = SnP_laneLengthInBytes - _offsetInLane; \
- if (_bytesInLane > _sizeLeft) \
- _bytesInLane = _sizeLeft; \
- SnP_ExtractBytesInLane(state, _lanePosition, _curData, _offsetInLane, _bytesInLane); \
- _sizeLeft -= _bytesInLane; \
- _lanePosition++; \
- _offsetInLane = 0; \
- _curData += _bytesInLane; \
- } \
- } \
- }
- #define SnP_ExtractAndAddBytes(state, input, output, offset, length, SnP_ExtractAndAddLanes, SnP_ExtractAndAddBytesInLane, SnP_laneLengthInBytes) \
- { \
- if ((offset) == 0) { \
- SnP_ExtractAndAddLanes(state, input, output, (length)/SnP_laneLengthInBytes); \
- SnP_ExtractAndAddBytesInLane(state, \
- (length)/SnP_laneLengthInBytes, \
- (input)+((length)/SnP_laneLengthInBytes)*SnP_laneLengthInBytes, \
- (output)+((length)/SnP_laneLengthInBytes)*SnP_laneLengthInBytes, \
- 0, \
- (length)%SnP_laneLengthInBytes); \
- } \
- else { \
- unsigned int _sizeLeft = (length); \
- unsigned int _lanePosition = (offset)/SnP_laneLengthInBytes; \
- unsigned int _offsetInLane = (offset)%SnP_laneLengthInBytes; \
- const unsigned char *_curInput = (input); \
- unsigned char *_curOutput = (output); \
- while(_sizeLeft > 0) { \
- unsigned int _bytesInLane = SnP_laneLengthInBytes - _offsetInLane; \
- if (_bytesInLane > _sizeLeft) \
- _bytesInLane = _sizeLeft; \
- SnP_ExtractAndAddBytesInLane(state, _lanePosition, _curInput, _curOutput, _offsetInLane, _bytesInLane); \
- _sizeLeft -= _bytesInLane; \
- _lanePosition++; \
- _offsetInLane = 0; \
- _curInput += _bytesInLane; \
- _curOutput += _bytesInLane; \
- } \
- } \
- }
- #endif
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