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47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
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#ifndef PQCLEAN_SPHINCSSHA256192FROBUST_AVX2_UTILSX8_H
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#define PQCLEAN_SPHINCSSHA256192FROBUST_AVX2_UTILSX8_H
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#include <stdint.h>
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#include "hash_state.h"
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#include "params.h"
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/**
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* For a given leaf index, computes the authentication path and the resulting
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* root node using Merkle's TreeHash algorithm.
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* Expects the layer and tree parts of the tree_addr to be set, as well as the
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* tree type (i.e. PQCLEAN_SPHINCSSHA256192FROBUST_AVX2_ADDR_TYPE_HASHTREE or PQCLEAN_SPHINCSSHA256192FROBUST_AVX2_ADDR_TYPE_FORSTREE).
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* Applies the offset idx_offset to indices before building addresses, so that
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* it is possible to continue counting indices across trees.
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*/
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void PQCLEAN_SPHINCSSHA256192FROBUST_AVX2_treehashx8_FORS_HEIGHT(
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unsigned char *rootx8, unsigned char *auth_pathx8,
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const unsigned char *sk_seed, const unsigned char *pub_seed,
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const uint32_t leaf_idx[8], uint32_t idx_offset[8],
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void (*gen_leafx8)(
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unsigned char * /* leaf0 */,
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unsigned char * /* leaf1 */,
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unsigned char * /* leaf2 */,
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unsigned char * /* leaf3 */,
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unsigned char * /* leaf4 */,
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unsigned char * /* leaf5 */,
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unsigned char * /* leaf6 */,
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unsigned char * /* leaf7 */,
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const unsigned char * /* sk_seed */,
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const unsigned char * /* pub_seed */,
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uint32_t /* addr_idx0 */,
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uint32_t /* addr_idx1 */,
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uint32_t /* addr_idx2 */,
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uint32_t /* addr_idx3 */,
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uint32_t /* addr_idx4 */,
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uint32_t /* addr_idx5 */,
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uint32_t /* addr_idx6 */,
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uint32_t /* addr_idx7 */,
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const uint32_t[8] /* tree_addr */,
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const hash_state * /* state_seeded */),
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uint32_t tree_addrx8[8 * 8],
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const hash_state *state_seeded);
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#endif
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