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v3.11.0
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Jay D Dee
280
algo/groestl/groestl256-hash-4way.c
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280
algo/groestl/groestl256-hash-4way.c
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/* hash.c Aug 2011
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*
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* Groestl implementation for different versions.
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* Author: Krystian Matusiewicz, Günther A. Roland, Martin Schläffer
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*
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* This code is placed in the public domain
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*/
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#include <memory.h>
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#include "hash-groestl256.h"
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#include "miner.h"
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#include "simd-utils.h"
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#ifndef NO_AES_NI
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#include "groestl-version.h"
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#ifdef TASM
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#ifdef VAES
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#include "groestl256-asm-aes.h"
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#else
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#ifdef VAVX
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#include "groestl256-asm-avx.h"
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#else
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#ifdef VVPERM
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#include "groestl256-asm-vperm.h"
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#else
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#error NO VERSION SPECIFIED (-DV[AES/AVX/VVPERM])
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#endif
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#endif
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#endif
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#else
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#ifdef TINTR
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#ifdef VAES
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#include "groestl256-intr-aes.h"
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#else
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#ifdef VAVX
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#include "groestl256-intr-avx.h"
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#else
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#ifdef VVPERM
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#include "groestl256-intr-vperm.h"
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#else
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#error NO VERSION SPECIFIED (-DV[AES/AVX/VVPERM])
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#endif
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#endif
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#endif
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#else
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#error NO TYPE SPECIFIED (-DT[ASM/INTR])
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#endif
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#endif
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/* initialise context */
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HashReturn_gr init_groestl256( hashState_groestl256* ctx, int hashlen )
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{
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int i;
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ctx->hashlen = hashlen;
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SET_CONSTANTS();
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if (ctx->chaining == NULL || ctx->buffer == NULL)
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return FAIL_GR;
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for ( i = 0; i < SIZE256; i++ )
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{
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ctx->chaining[i] = _mm_setzero_si128();
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ctx->buffer[i] = _mm_setzero_si128();
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}
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((u64*)ctx->chaining)[COLS-1] = U64BIG((u64)LENGTH);
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INIT256( ctx->chaining );
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ctx->buf_ptr = 0;
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ctx->rem_ptr = 0;
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return SUCCESS_GR;
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}
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HashReturn_gr reinit_groestl256(hashState_groestl256* ctx)
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{
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int i;
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if (ctx->chaining == NULL || ctx->buffer == NULL)
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return FAIL_GR;
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for ( i = 0; i < SIZE256; i++ )
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{
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ctx->chaining[i] = _mm_setzero_si128();
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ctx->buffer[i] = _mm_setzero_si128();
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}
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((u64*)ctx->chaining)[COLS-1] = U64BIG((u64)LENGTH);
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INIT256(ctx->chaining);
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ctx->buf_ptr = 0;
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ctx->rem_ptr = 0;
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return SUCCESS_GR;
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}
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// Use this only for midstate and never for cryptonight
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HashReturn_gr update_groestl256( hashState_groestl256* ctx, const void* input,
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DataLength_gr databitlen )
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{
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__m128i* in = (__m128i*)input;
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const int len = (int)databitlen / 128; // bits to __m128i
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const int blocks = len / SIZE256; // __M128i to blocks
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int rem = ctx->rem_ptr;
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int i;
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ctx->blk_count = blocks;
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ctx->databitlen = databitlen;
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// digest any full blocks
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for ( i = 0; i < blocks; i++ )
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TF512( ctx->chaining, &in[ i * SIZE256 ] );
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// adjust buf_ptr to last block
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ctx->buf_ptr = blocks * SIZE256;
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// Copy any remainder to buffer
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for ( i = 0; i < len % SIZE256; i++ )
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ctx->buffer[ rem + i ] = in[ ctx->buf_ptr + i ];
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// adjust rem_ptr for new data
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ctx->rem_ptr += i;
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return SUCCESS_GR;
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}
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// don't use this at all
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HashReturn_gr final_groestl256( hashState_groestl256* ctx, void* output )
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{
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const int len = (int)ctx->databitlen / 128; // bits to __m128i
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const int blocks = ctx->blk_count + 1; // adjust for final block
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const int rem_ptr = ctx->rem_ptr; // end of data start of padding
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const int hashlen_m128i = ctx->hashlen / 16; // bytes to __m128i
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const int hash_offset = SIZE256 - hashlen_m128i; // where in buffer
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int i;
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// first pad byte = 0x80, last pad byte = block count
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// everything in between is zero
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if ( rem_ptr == len - 1 )
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{
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// all padding at once
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ctx->buffer[rem_ptr] = _mm_set_epi8( blocks,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0x80 );
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}
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else
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{
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// add first padding
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ctx->buffer[rem_ptr] = _mm_set_epi8( 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0x80 );
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// add zero padding
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for ( i = rem_ptr + 1; i < SIZE256 - 1; i++ )
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ctx->buffer[i] = _mm_setzero_si128();
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// add length padding
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// cheat since we know the block count is trivial, good if block < 256
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ctx->buffer[i] = _mm_set_epi8( blocks,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0 );
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}
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// digest final padding block and do output transform
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TF512( ctx->chaining, ctx->buffer );
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OF512( ctx->chaining );
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// store hash result in output
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for ( i = 0; i < hashlen_m128i; i++ )
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casti_m128i( output, i ) = ctx->chaining[ hash_offset + i];
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return SUCCESS_GR;
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}
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HashReturn_gr update_and_final_groestl256( hashState_groestl256* ctx,
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void* output, const void* input, DataLength_gr databitlen )
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{
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const int len = (int)databitlen / 128;
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const int hashlen_m128i = ctx->hashlen / 16; // bytes to __m128i
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const int hash_offset = SIZE256 - hashlen_m128i;
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int rem = ctx->rem_ptr;
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int blocks = len / SIZE256;
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__m128i* in = (__m128i*)input;
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int i;
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// --- update ---
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// digest any full blocks, process directly from input
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for ( i = 0; i < blocks; i++ )
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TF512( ctx->chaining, &in[ i * SIZE256 ] );
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ctx->buf_ptr = blocks * SIZE256;
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// cryptonight has 200 byte input, an odd number of __m128i
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// remainder is only 8 bytes, ie u64.
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if ( databitlen % 128 !=0 )
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{
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// must be cryptonight, copy 64 bits of data
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*(uint64_t*)(ctx->buffer) = *(uint64_t*)(&in[ ctx->buf_ptr ] );
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i = -1; // signal for odd length
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}
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else
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{
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// Copy any remaining data to buffer for final transform
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for ( i = 0; i < len % SIZE256; i++ )
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ctx->buffer[ rem + i ] = in[ ctx->buf_ptr + i ];
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i += rem; // use i as rem_ptr in final
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}
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//--- final ---
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// adjust for final block
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blocks++;
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if ( i == len - 1 )
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{
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// all padding at once
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ctx->buffer[i] = _mm_set_epi8( blocks,blocks>>8,0,0, 0,0,0,0,
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0, 0,0,0, 0,0,0,0x80 );
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}
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else
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{
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if ( i == -1 )
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{
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// cryptonight odd length
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((uint64_t*)ctx->buffer)[ 1 ] = 0x80ull;
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// finish the block with zero and length padding as normal
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i = 0;
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}
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else
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{
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// add first padding
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ctx->buffer[i] = _mm_set_epi8( 0,0,0,0, 0,0,0,0,
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0,0,0,0, 0,0,0,0x80 );
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}
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// add zero padding
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for ( i += 1; i < SIZE256 - 1; i++ )
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ctx->buffer[i] = _mm_setzero_si128();
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// add length padding
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// cheat since we know the block count is trivial, good if block < 256
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ctx->buffer[i] = _mm_set_epi8( blocks,blocks>>8,0,0, 0,0,0,0,
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0, 0,0,0, 0,0,0,0 );
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}
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// digest final padding block and do output transform
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TF512( ctx->chaining, ctx->buffer );
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OF512( ctx->chaining );
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// store hash result in output
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for ( i = 0; i < hashlen_m128i; i++ )
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casti_m128i( output, i ) = ctx->chaining[ hash_offset + i ];
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return SUCCESS_GR;
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}
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/* hash bit sequence */
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HashReturn_gr hash_groestl256(int hashbitlen,
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const BitSequence_gr* data,
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DataLength_gr databitlen,
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BitSequence_gr* hashval) {
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HashReturn_gr ret;
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hashState_groestl256 context;
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/* initialise */
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if ((ret = init_groestl256(&context, hashbitlen/8)) != SUCCESS_GR)
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return ret;
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/* process message */
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if ((ret = update_groestl256(&context, data, databitlen)) != SUCCESS_GR)
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return ret;
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/* finalise */
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ret = final_groestl256(&context, hashval);
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return ret;
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}
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/* eBash API */
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//#ifdef crypto_hash_BYTES
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//int crypto_hash(unsigned char *out, const unsigned char *in, unsigned long long inlen)
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//{
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// if (hash_groestl(crypto_hash_BYTES * 8, in, inlen * 8,out) == SUCCESS_GR) return 0;
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// return -1;
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//}
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//#endif
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#endif
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