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Update XMSS

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Add key_update callback and private_key_from_file
This commit is contained in:
Zhi Guan
2026-01-18 17:09:27 +08:00
parent 2e8d3abbc9
commit 9db11c6d06
4 changed files with 258 additions and 140 deletions
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27
include/gmssl/xmss.h
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@@ -207,12 +207,18 @@ typedef struct {
#define XMSS_PUBLIC_KEY_SIZE (4 + 32 + 32) // = 68
typedef struct {
typedef struct XMSS_KEY_st XMSS_KEY;
typedef int (*xmss_key_update_callback)(XMSS_KEY *key);
typedef struct XMSS_KEY_st {
XMSS_PUBLIC_KEY public_key;
uint32_t index;
xmss_hash256_t secret;
xmss_hash256_t sk_prf;
xmss_hash256_t *tree; // xmss_hash256_t[2^(h + 1) - 1]
xmss_key_update_callback update_callback;
void *update_param;
} XMSS_KEY;
// XMSS_SHA2_10_256: 65,640
@@ -224,13 +230,17 @@ int xmss_private_key_size(uint32_t xmss_type, size_t *keysize);
int xmss_key_generate(XMSS_KEY *key, uint32_t xmss_type);
int xmss_key_remaining_signs(const XMSS_KEY *key, size_t *count);
int xmss_key_set_update_callback(XMSS_KEY *key, xmss_key_update_callback update_cb, void *param);
int xmss_key_update(XMSS_KEY *key);
void xmss_key_cleanup(XMSS_KEY *key);
int xmss_public_key_to_bytes(const XMSS_KEY *key, uint8_t **out, size_t *outlen);
int xmss_public_key_from_bytes(XMSS_KEY *key, const uint8_t **in, size_t *inlen);
int xmss_public_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSS_KEY *key);
int xmss_private_key_to_bytes(const XMSS_KEY *key, uint8_t **out, size_t *outlen);
int xmss_private_key_from_bytes(XMSS_KEY *key, const uint8_t **in, size_t *inlen);
int xmss_private_key_from_file(XMSS_KEY *key, FILE *fp);
int xmss_private_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSS_KEY *key);
void xmss_key_cleanup(XMSS_KEY *key);
typedef struct {
@@ -345,13 +355,19 @@ typedef struct {
#define XMSSMT_PUBLIC_KEY_SIZE (4 + sizeof(xmss_hash256_t) + sizeof(xmss_hash256_t)) // = 68 bytes
typedef struct {
typedef struct XMSSMT_KEY_st XMSSMT_KEY;
typedef int (*xmssmt_key_update_callback)(XMSSMT_KEY *key);
typedef struct XMSSMT_KEY_st {
XMSSMT_PUBLIC_KEY public_key;
uint64_t index; // in [0, 2^60 - 1]
xmss_hash256_t secret;
xmss_hash256_t sk_prf;
xmss_hash256_t *trees;
xmss_wots_sig_t wots_sigs[XMSSMT_MAX_LAYERS - 1];
xmssmt_key_update_callback update_callback;
void *update_param;
} XMSSMT_KEY;
/*
@@ -368,12 +384,14 @@ int xmssmt_private_key_size(uint32_t xmssmt_type, size_t *len);
int xmssmt_build_auth_path(const xmss_hash256_t *tree, size_t height, size_t layers, uint64_t index, xmss_hash256_t *auth_path);
int xmssmt_key_generate(XMSSMT_KEY *key, uint32_t xmssmt_type);
int xmssmt_key_set_update_callback(XMSSMT_KEY *key, xmssmt_key_update_callback update_cb, void *param);
int xmssmt_key_update(XMSSMT_KEY *key);
int xmssmt_public_key_to_bytes(const XMSSMT_KEY *key, uint8_t **out, size_t *outlen);
int xmssmt_public_key_from_bytes(XMSSMT_KEY *key, const uint8_t **in, size_t *inlen);
int xmssmt_public_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSSMT_KEY *key);
int xmssmt_private_key_to_bytes(const XMSSMT_KEY *key, uint8_t **out, size_t *outlen);
int xmssmt_private_key_from_bytes(XMSSMT_KEY *key, const uint8_t **in, size_t *inlen);
int xmssmt_private_key_from_file(XMSSMT_KEY *key, FILE *fp);
int xmssmt_private_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSSMT_KEY *key);
void xmssmt_key_cleanup(XMSSMT_KEY *key);
@@ -388,8 +406,7 @@ typedef struct {
int xmssmt_index_to_bytes(uint64_t index, uint32_t xmssmt_type, uint8_t **out, size_t *outlen);
int xmssmt_index_from_bytes(uint64_t *index, uint32_t xmssmt_type, const uint8_t **in, size_t *inlen);
#define XMSSMT_SIGNATURE_MAX_SIZE \
(sizeof(uint64_t) + sizeof(xmss_hash256_t) + sizeof(xmss_wots_sig_t)*XMSSMT_MAX_LAYERS + sizeof(xmss_hash256_t)*XMSSMT_MAX_HEIGHT) // = 27688 bytes
#define XMSSMT_SIGNATURE_MAX_SIZE sizeof(XMSSMT_SIGNATURE) // >= 27688 bytes
int xmssmt_key_get_signature_size(const XMSSMT_KEY *key, size_t *siglen);
int xmssmt_signature_size(uint32_t xmssmt_type, size_t *siglen);