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https://github.com/henrydcase/pqc.git
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facb527c7c
* Add state destroy to SHA2 API * Include optimized SPHINCS+ implementations I've generated new implementations from the sphincsplus repository. * Don't destroy sha256ctx after finalize * Attempt to shut up MSVC * Make sure to drop errors in rmtree
48 lines
4.4 KiB
C
48 lines
4.4 KiB
C
#include <stdint.h>
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#include <string.h>
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#include "address.h"
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#include "params.h"
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#include "thashx4.h"
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#include "fips202x4.h"
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/**
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* 4-way parallel version of thash; takes 4x as much input and output
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*/
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#define thashx4_variant(name, inblocks) \
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void PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_thashx4_##name( \
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unsigned char *out0, unsigned char *out1, unsigned char *out2, unsigned char *out3, \
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const unsigned char *in0, const unsigned char *in1, const unsigned char *in2, \
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const unsigned char *in3, const unsigned char *pub_seed, uint32_t addrx4[4 * 8], \
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const hash_state *state_seeded) { \
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unsigned char buf0[PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N]; \
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unsigned char buf1[PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N]; \
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unsigned char buf2[PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N]; \
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unsigned char buf3[PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N]; \
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\
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memcpy(buf0, pub_seed, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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memcpy(buf1, pub_seed, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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memcpy(buf2, pub_seed, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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memcpy(buf3, pub_seed, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_addr_to_bytes(buf0 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N, addrx4 + 0 * 8); \
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PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_addr_to_bytes(buf1 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N, addrx4 + 1 * 8); \
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PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_addr_to_bytes(buf2 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N, addrx4 + 2 * 8); \
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PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_addr_to_bytes(buf3 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N, addrx4 + 3 * 8); \
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memcpy(buf0 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES, in0, (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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memcpy(buf1 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES, in1, (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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memcpy(buf2 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES, in2, (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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memcpy(buf3 + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES, in3, (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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\
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PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_shake256x4(out0, out1, out2, out3, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N, buf0, buf1, buf2, buf3, \
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PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_ADDR_BYTES + (inblocks)*PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_N); \
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\
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/* Avoid unused parameter warning */ \
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(void)state_seeded; \
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}
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thashx4_variant(1, 1)
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thashx4_variant(2, 2)
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thashx4_variant(WOTS_LEN, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_WOTS_LEN)
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thashx4_variant(FORS_TREES, PQCLEAN_SPHINCSSHAKE256256FSIMPLE_AVX2_FORS_TREES)
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