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- #ifndef PQCLEAN_SPHINCSSHA256256FSIMPLE_AVX2_UTILSX8_H
- #define PQCLEAN_SPHINCSSHA256256FSIMPLE_AVX2_UTILSX8_H
-
- #include <stdint.h>
-
- #include "hash_state.h"
- #include "params.h"
-
- /**
- * For a given leaf index, computes the authentication path and the resulting
- * root node using Merkle's TreeHash algorithm.
- * Expects the layer and tree parts of the tree_addr to be set, as well as the
- * tree type (i.e. PQCLEAN_SPHINCSSHA256256FSIMPLE_AVX2_ADDR_TYPE_HASHTREE or PQCLEAN_SPHINCSSHA256256FSIMPLE_AVX2_ADDR_TYPE_FORSTREE).
- * Applies the offset idx_offset to indices before building addresses, so that
- * it is possible to continue counting indices across trees.
- */
-
- void PQCLEAN_SPHINCSSHA256256FSIMPLE_AVX2_treehashx8_FORS_HEIGHT(
- unsigned char *rootx8, unsigned char *auth_pathx8,
- const unsigned char *sk_seed, const unsigned char *pub_seed,
- const uint32_t leaf_idx[8], uint32_t idx_offset[8],
- void (*gen_leafx8)(
- unsigned char * /* leaf0 */,
- unsigned char * /* leaf1 */,
- unsigned char * /* leaf2 */,
- unsigned char * /* leaf3 */,
- unsigned char * /* leaf4 */,
- unsigned char * /* leaf5 */,
- unsigned char * /* leaf6 */,
- unsigned char * /* leaf7 */,
- const unsigned char * /* sk_seed */,
- const unsigned char * /* pub_seed */,
- uint32_t /* addr_idx0 */,
- uint32_t /* addr_idx1 */,
- uint32_t /* addr_idx2 */,
- uint32_t /* addr_idx3 */,
- uint32_t /* addr_idx4 */,
- uint32_t /* addr_idx5 */,
- uint32_t /* addr_idx6 */,
- uint32_t /* addr_idx7 */,
- const uint32_t[8] /* tree_addr */,
- const hash_state * /* state_seeded */),
- uint32_t tree_addrx8[8 * 8],
- const hash_state *state_seeded);
-
- #endif
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