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Fix SPHINCS+

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Size of tree nodes and root is decided by security parameter n, currently GmSSL only support SPHINCS+-128s, SPHINCS+-128f, so the size is 128 bits and type is sphincs_hash128_t.
This commit is contained in:
Zhi Guan
2026-05-27 12:28:58 +08:00
parent 46dae81f4c
commit 4cb2346bc5
2 changed files with 10 additions and 9 deletions
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14
include/gmssl/sphincs.h
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@@ -31,7 +31,7 @@ extern "C" {
# define SPHINCS_HYPERTREE_LAYERS 7
# define SPHINCS_FORS_TREE_HEIGHT 12
# define SPHINCS_FORS_NUM_TREES 14
#else
#else // SPHINCS+_128f
# define SPHINCS_HYPERTREE_HEIGHT 66
# define SPHINCS_HYPERTREE_LAYERS 22
# define SPHINCS_FORS_TREE_HEIGHT 6
@@ -224,13 +224,14 @@ void sphincs_wots_pk_to_root(const sphincs_wots_key_t pk,
const sphincs_hash128_t seed, const sphincs_adrs_t in_adrs,
sphincs_hash128_t root);
// for both XMSS and FORS
void sphincs_tree_hash(const sphincs_hash128_t left_child, const sphincs_hash128_t right_child,
const sphincs_hash128_t seed, const sphincs_adrs_t adrs,
sphincs_hash128_t parent);
// XMSS
void sphincs_xmss_tree_hash(
const sphincs_hash128_t left_child, const sphincs_hash128_t right_child,
const sphincs_hash128_t seed, const sphincs_adrs_t adrs,
sphincs_hash256_t parent);
#define sphincs_xmss_tree_hash sphincs_tree_hash
void sphincs_xmss_build_tree(const sphincs_hash128_t secret,
const sphincs_hash128_t seed, const sphincs_adrs_t adrs,
sphincs_hash128_t tree[SPHINCS_XMSS_NUM_NODES]);
@@ -239,7 +240,7 @@ void sphincs_xmss_build_auth_path(const sphincs_hash128_t tree[SPHINCS_XMSS_NUM_
void sphincs_xmss_build_root(const sphincs_hash128_t wots_root, uint32_t tree_index,
const sphincs_hash128_t seed, const sphincs_adrs_t adrs,
const sphincs_hash128_t auth_path[SPHINCS_XMSS_HEIGHT],
sphincs_hash256_t root);
sphincs_hash128_t root);
typedef struct {
sphincs_wots_sig_t wots_sig;
@@ -282,6 +283,7 @@ int sphincs_hypertree_verify(const sphincs_hash128_t top_xmss_root,
void sphincs_fors_derive_sk(const sphincs_hash128_t secret,
const sphincs_hash128_t seed, const sphincs_adrs_t in_adrs,
uint32_t fors_index, sphincs_hash128_t sk);
#define sphincs_fors_tree_hash sphincs_tree_hash
void sphincs_fors_build_tree(const sphincs_hash128_t secret,
const sphincs_hash128_t seed, const sphincs_adrs_t in_adrs, int tree_addr,
sphincs_hash128_t tree[SPHINCS_FORS_TREE_NUM_NODES]);;