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Update SPHINCS+

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This commit is contained in:
Zhi Guan
2026-01-07 22:18:26 +08:00
parent 22a9340576
commit aa28fc5252
2 changed files with 213 additions and 91 deletions
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78
include/gmssl/sphincs.h
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@@ -143,11 +143,10 @@ typedef uint8_t sphincs_adrsc_t[22];
void sphincs_adrs_compress(const sphincs_adrs_t adrs, sphincs_adrsc_t adrsc);
// 这里比较奇怪的是，fors的参数以及哈希值是多少？
// 哈希值被分成两部分，一部分用来从hypertree上找到树的地址，一个是用于fors的输入
// TODO: remove this!
typedef struct {
char *name;
size_t secret_size; // 这个是n，当sm3/sha256时n==16
size_t secret_size;
size_t height;
size_t layers;
size_t fors_height;
@@ -177,6 +176,79 @@ void sphincs_wots_derive_sk(const sphincs_secret_t secret,
sphincs_wots_key_t sk);
typedef struct {
uint32_t index;
sphincs_wots_sig_t wots_sig;
sphincs_secret_t auth_path[22]; // sphincs+_128f height = 22
} SPHINCS_XMSS_SIGNATURE;
#if 1 // SPHINCS+_128s
# define SPHINCS_HYPERTREE_HEIGHT 63
# define SPHINCS_HYPERTREE_LAYERS 7
# define SPHINCS_FORS_HEIGHT 12
# define SPHINCS_FORS_NUM_TREES 14
# define SPHINCS_FORS_DIGEST_SIZE 21
#else
# define SPHINCS_HYPERTREE_HEIGHT 66
# define SPHINCS_HYPERTREE_LAYERS 22
# define SPHINCS_FORS_HEIGHT 6
# define SPHINCS_FORS_NUM_TREES 33
#endif
#define SPHINCS_XMSS_HEIGHT (SPHINCS_HYPERTREE_HEIGHT/SPHINCS_HYPERTREE_LAYERS)
typedef struct {
sphincs_secret_t fors_sk[SPHINCS_FORS_HEIGHT];
sphincs_secret_t auth_path[SPHINCS_FORS_NUM_TREES][SPHINCS_FORS_HEIGHT];
} SPHINCS_FORS_SIGNATURE;
#define SPHINCS_FORS_SIGNATURE_SIZE sizeof(SPHINCS_FORS_SIGNATURE)
int sphincs_fors_signature_to_bytes(const SPHINCS_FORS_SIGNATURE *sig, uint8_t **out, size_t *outlen);
int sphincs_fors_signature_from_bytes(SPHINCS_FORS_SIGNATURE *sig, const uint8_t **in, size_t *inlen);
int sphincs_fors_signature_print_ex(FILE *fp, int fmt, int ind, const char *label, const SPHINCS_FORS_SIGNATURE *sig);
int sphincs_fors_signature_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *sig, size_t siglen);
typedef struct {
sphincs_secret_t seed;
sphincs_secret_t root;
} SPHINCS_PUBLIC_KEY;
typedef struct {
SPHINCS_PUBLIC_KEY public_key;
sphincs_secret_t secret;
sphincs_secret_t sk_prf;
} SPHINCS_KEY;
#define SPHINCS_PUBLIC_KEY_SIZE sizeof(SPHINCS_PUBLIC_KEY)
#define SPHINCS_PRIVATE_KEY_SIZE sizeof(SPHINCS_KEY)
int sphincs_public_key_to_bytes(const SPHINCS_KEY *key, uint8_t **out, size_t *outlen);
int sphincs_public_key_from_bytes(SPHINCS_KEY *key, const uint8_t **in, size_t *inlen);
int sphincs_public_key_print(FILE *fp, int fmt, int ind, const char *label, const SPHINCS_KEY *key);
int sphincs_private_key_to_bytes(const SPHINCS_KEY *key, uint8_t **out, size_t *outlen);
int sphincs_private_key_from_bytes(SPHINCS_KEY *key, const uint8_t **in, size_t *inlen);
int sphincs_private_key_print(FILE *fp, int fmt, int ind, const char *label, const SPHINCS_KEY *key);
void sphincs_key_cleanup(SPHINCS_KEY *key);
typedef struct {
sphincs_secret_t random;
SPHINCS_FORS_SIGNATURE fors_sig;
SPHINCS_XMSS_SIGNATURE xmss_sigs[SPHINCS_HYPERTREE_LAYERS];
} SPHINCS_SIGNATURE;
int sphincs_signature_to_bytes(const SPHINCS_SIGNATURE *sig, uint8_t **out, size_t *outlen);
int sphincs_signature_from_bytes(SPHINCS_SIGNATURE *sig, const uint8_t **in, size_t *inlen);
int sphincs_signature_print_ex(FILE *fp, int fmt, int ind, const char *label, const SPHINCS_SIGNATURE *sig);
int sphincs_signature_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *sig, size_t siglen);
#ifdef __cplusplus
}
#endif