mirror of
https://github.com/guanzhi/GmSSL.git
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487 lines
16 KiB
C
487 lines
16 KiB
C
/*
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* Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*/
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#ifndef GMSSL_XMSS_H
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#define GMSSL_XMSS_H
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <gmssl/sm3.h>
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#include <gmssl/hash256.h>
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#ifdef ENABLE_SHA2
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#include <gmssl/sha2.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Crosscheck with data from xmss-reference (SHA-256), except the XMSS signature.
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#if defined(ENABLE_XMSS_CROSSCHECK) && defined(ENABLE_SHA2)
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# define HASH256_CTX SHA256_CTX
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# define hash256_init sha256_init
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# define hash256_update sha256_update
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# define hash256_finish sha256_finish
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# define XMSS_HASH256_10_256 XMSS_SHA2_10_256
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# define XMSS_HASH256_16_256 XMSS_SHA2_16_256
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# define XMSS_HASH256_20_256 XMSS_SHA2_20_256
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# define XMSS_HASH256_10_256_NAME "XMSS_SHA2_10_256"
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# define XMSS_HASH256_16_256_NAME "XMSS_SHA2_16_256"
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# define XMSS_HASH256_20_256_NAME "XMSS_SHA2_20_256"
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#else
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# define HASH256_CTX SM3_CTX
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# define hash256_init sm3_init
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# define hash256_update sm3_update
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# define hash256_finish sm3_finish
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# define XMSS_HASH256_10_256 XMSS_SM3_10_256
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# define XMSS_HASH256_16_256 XMSS_SM3_16_256
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# define XMSS_HASH256_20_256 XMSS_SM3_20_256
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# define XMSS_HASH256_10_256_NAME "XMSS_SM3_10_256"
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# define XMSS_HASH256_16_256_NAME "XMSS_SM3_16_256"
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# define XMSS_HASH256_20_256_NAME "XMSS_SM3_20_256"
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#endif
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// from RFC 8391 table 6
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enum {
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WOTSP_RESERVED = 0x00000000,
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WOTSP_SHA2_256 = 0x00000001,
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WOTSP_SHA2_512 = 0x00000002,
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WOTSP_SHAKE_256 = 0x00000003,
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WOTSP_SHAKE_512 = 0x00000004,
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};
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// from RFC 8391 table 7
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enum {
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XMSS_RESERVED = 0x00000000,
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XMSS_SHA2_10_256 = 0x00000001,
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XMSS_SHA2_16_256 = 0x00000002,
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XMSS_SHA2_20_256 = 0x00000003,
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XMSS_SHA2_10_512 = 0x00000004,
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XMSS_SHA2_16_512 = 0x00000005,
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XMSS_SHA2_20_512 = 0x00000006,
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XMSS_SHAKE_10_256 = 0x00000007,
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XMSS_SHAKE_16_256 = 0x00000008,
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XMSS_SHAKE_20_256 = 0x00000009,
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XMSS_SHAKE_10_512 = 0x0000000A,
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XMSS_SHAKE_16_512 = 0x0000000B,
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XMSS_SHAKE_20_512 = 0x0000000C,
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};
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enum {
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XMSS_SM3_10_256 = 0x10000001, // xmss tree height = 10, total 2^10 = 1 * 1024 sigs
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XMSS_SM3_16_256 = 0x10000002, // xmss tree height = 16, total 2^16 = 64 * 1024 sigs
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XMSS_SM3_20_256 = 0x10000003, // xmss tree height = 20, total 2^20 = 1024 * 1024 sigs
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};
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#define XMSS_ADRS_LAYER_ADDRESS 0
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#define XMSS_ADRS_TREE_ADDRESS 0
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enum {
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XMSS_ADRS_TYPE_OTS = 0,
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XMSS_ADRS_TYPE_LTREE = 1,
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XMSS_ADRS_TYPE_HASHTREE = 2,
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};
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enum {
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XMSS_ADRS_GENERATE_KEY = 0,
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XMSS_ADRS_GENERATE_BITMASK = 1,
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};
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char *xmss_type_name(uint32_t xmss_type);
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uint32_t xmss_type_from_name(const char *name);
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int xmss_type_to_height(uint32_t xmss_type, size_t *height);
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// rfc 8391 named algors only support w = 2^4 = 16
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#define XMSS_WOTS_WINTERNITZ_W 16
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#define WOTS_NUM_CHAINS 67
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#define XMSS_WOTS_SIGNATURE_SIZE (sizeof(hash256_t) * WOTS_NUM_CHAINS)
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#define XMSS_MIX_HEIGHT 16
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#define XMSS_MAX_HEIGHT 20
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typedef uint8_t xmss_adrs_t[32];
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typedef struct {
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uint32_t layer_address; // layer index of multi-tree, 0 for lowest layer (and xmss, and OTS ADRS)
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uint64_t tree_address; // tree index of a layer, 0 for the left most (and xmss), in [0, 2^(h*(layers-1))-1]
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uint32_t type; // in { XMSS_ADRS_TYPE_OTS, XMSS_ADRS_TYPE_LTREE, XMSS_ADRS_TYPE_HASHTREE }
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uint32_t ots_address; // index of a leaf (wots+ public key) of a layer-0 xmss tree, in [0, 2^h-1]
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uint32_t chain_address; // index of wots+ chain, in [0, 67) when w = 16
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uint32_t hash_address; // index of hash calls in a wots+ chain, in [0, w-1]
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uint32_t key_and_mask; // in { XMSS_ADRS_GENERATE_KEY, XMSS_ADRS_GENERATE_BITMASK }
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} XMSS_ADRS_OTS;
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typedef struct {
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uint32_t layer_address;
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uint64_t tree_address;
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uint32_t type; // = 1
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uint32_t ltree_address;
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uint32_t tree_height;
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uint32_t tree_index;
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uint32_t key_and_mask;
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} XMSS_ADRS_LTREE;
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typedef struct {
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uint32_t layer_address;
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uint64_t tree_address;
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uint32_t type; // = 2
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uint32_t padding; // = 0
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uint32_t tree_height;
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uint32_t tree_index;
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uint32_t key_and_mask;
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} XMSS_ADRS_HASHTREE;
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void adrs_copy_layer_address(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_tree_address(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_type(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_ots_address(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_chain_address(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_hash_address(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_key_and_mask(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_ltree_address(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_tree_height(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_tree_index(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_copy_padding(xmss_adrs_t dst, const xmss_adrs_t src);
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void adrs_set_layer_address(uint8_t adrs[32], uint32_t layer);
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void adrs_set_tree_address(uint8_t adrs[32], uint64_t tree_addr);
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void adrs_set_type(uint8_t adrs[32], uint32_t type);
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void adrs_set_ots_address(uint8_t adrs[32], uint32_t address);
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void adrs_set_chain_address(uint8_t adrs[32], uint32_t address);
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void adrs_set_hash_address(uint8_t adrs[32], uint32_t address);
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void adrs_set_ltree_address(uint8_t adrs[32], uint32_t address);
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void adrs_set_padding(uint8_t adrs[32], uint32_t padding);
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void adrs_set_tree_height(uint8_t adrs[32], uint32_t height);
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void adrs_set_tree_index(uint8_t adrs[32], uint32_t index);
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void adrs_set_key_and_mask(uint8_t adrs[32], uint32_t key_and_mask);
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int xmss_adrs_print(FILE *fp, int fmt, int ind, const char *label, const hash256_t adrs);
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typedef hash256_t wots_key_t[67];
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typedef hash256_t wots_sig_t[67];
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void wots_derive_sk(const hash256_t secret,
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const hash256_t seed, const xmss_adrs_t adrs,
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wots_key_t sk);
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void wots_chain(const hash256_t x,
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const hash256_t seed, const xmss_adrs_t adrs,
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int start, int steps, hash256_t y);
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void wots_sk_to_pk(const wots_key_t sk,
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const hash256_t seed, const xmss_adrs_t adrs,
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wots_key_t pk);
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void wots_sign(const wots_key_t sk,
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const hash256_t seed, const xmss_adrs_t adrs,
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const hash256_t dgst, wots_sig_t sig);
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void wots_sig_to_pk(const wots_sig_t sig,
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const hash256_t seed, const xmss_adrs_t adrs,
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const hash256_t dgst, wots_key_t pk);
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void wots_pk_to_root(const wots_key_t pk,
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const hash256_t seed, const xmss_adrs_t adrs,
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hash256_t wots_root);
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void wots_derive_root(const hash256_t secret,
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const hash256_t seed, const xmss_adrs_t adrs,
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hash256_t wots_root);
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int wots_verify(const hash256_t wots_root,
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const hash256_t seed, const xmss_adrs_t adrs,
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const hash256_t dgst, const wots_sig_t sig);
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size_t xmss_tree_num_nodes(size_t height);
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void xmss_build_tree(const hash256_t secret,
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const hash256_t seed, const xmss_adrs_t adrs,
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size_t height, hash256_t *tree); // tree[xmss_tree_num_nodes(height)]
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void xmss_build_auth_path(const hash256_t *tree, size_t height,
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uint32_t index, hash256_t *auth_path); // auth_path[height]
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void xmss_build_root(const hash256_t wots_root, uint32_t index,
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const hash256_t seed, const xmss_adrs_t adrs,
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const hash256_t *auth_path, size_t height,
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hash256_t xmss_root);
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typedef struct {
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uint32_t xmss_type;
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hash256_t seed;
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hash256_t root;
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} XMSS_PUBLIC_KEY;
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#define XMSS_PUBLIC_KEY_SIZE (4 + 32 + 32) // = 68
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typedef struct {
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XMSS_PUBLIC_KEY public_key;
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hash256_t secret;
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hash256_t sk_prf;
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uint32_t index;
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hash256_t *tree; // hash256_t[2^(h + 1) - 1]
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} XMSS_KEY;
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#define XMSS_PRIVATE_KEY_SIZE (XMSS_PUBLIC_KEY_SIZE + 32 + 32 + 4) // = 136
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int xmss_key_generate(XMSS_KEY *key, uint32_t xmss_type);
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int xmss_key_remaining_signs(const XMSS_KEY *key, size_t *count);
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void xmss_key_cleanup(XMSS_KEY *key);
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int xmss_public_key_to_bytes(const XMSS_KEY *key, uint8_t **out, size_t *outlen);
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int xmss_public_key_from_bytes(XMSS_KEY *key, const uint8_t **in, size_t *inlen);
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int xmss_public_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSS_KEY *key);
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int xmss_private_key_to_bytes(const XMSS_KEY *key, uint8_t **out, size_t *outlen);
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int xmss_private_key_from_bytes(XMSS_KEY *key, const uint8_t **in, size_t *inlen);
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int xmss_private_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSS_KEY *key);
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typedef struct {
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uint32_t index; // < 2^(XMSS_MAX_HEIGHT) = 2^20, always encode to 4 bytes
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uint8_t random[32];
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hash256_t wots_sig[67];
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hash256_t auth_path[XMSS_MAX_HEIGHT];
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} XMSS_SIGNATURE;
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// XMSS_SM3_10_256 2500 bytes
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// XMSS_SM3_16_256 2692 bytes
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// XMSS_SM3_20_256 2820 bytes
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#define XMSS_SIGNATURE_MIN_SIZE (4 + 32 + 32*67 + 32 * XMSS_MIN_HEIGHT) // = 2500 bytes
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#define XMSS_SIGNATURE_MAX_SIZE (4 + 32 + 32*67 + 32 * XMSS_MAX_HEIGHT) // = 2820 bytes
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int xmss_signature_size(uint32_t xmss_type, size_t *siglen);
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int xmss_signature_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *in, size_t inlen);
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int xmss_signature_print_ex(FILE *fp, int fmt, int ind, const char *label, const XMSS_SIGNATURE *sig);
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typedef struct {
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XMSS_PUBLIC_KEY xmss_public_key;
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XMSS_SIGNATURE xmss_sig;
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HASH256_CTX hash256_ctx;
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} XMSS_SIGN_CTX;
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int xmss_sign_init(XMSS_SIGN_CTX *ctx, XMSS_KEY *key);
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int xmss_sign_update(XMSS_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
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int xmss_sign_finish(XMSS_SIGN_CTX *ctx, uint8_t *sigbuf, size_t *siglen);
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int xmss_verify_init(XMSS_SIGN_CTX *ctx, const XMSS_KEY *key, const uint8_t *sigbuf, size_t siglen);
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int xmss_verify_update(XMSS_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
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int xmss_verify_finish(XMSS_SIGN_CTX *ctx);
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#if defined(ENABLE_XMSS_CROSSCHECK) && defined(ENABLE_SHA2)
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#define XMSSMT_HASH256_20_2_256 XMSSMT_SHA2_20_2_256
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#define XMSSMT_HASH256_20_4_256 XMSSMT_SHA2_20_4_256
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#define XMSSMT_HASH256_40_2_256 XMSSMT_SHA2_40_2_256
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#define XMSSMT_HASH256_40_4_256 XMSSMT_SHA2_40_4_256
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#define XMSSMT_HASH256_40_8_256 XMSSMT_SHA2_40_8_256
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#define XMSSMT_HASH256_60_3_256 XMSSMT_SHA2_60_3_256
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#define XMSSMT_HASH256_60_6_256 XMSSMT_SHA2_60_6_256
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#define XMSSMT_HASH256_60_12_256 XMSSMT_SHA2_60_12_256
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#define XMSSMT_HASH256_20_2_256_NAME "XMSSMT_SHA2_20_2_256"
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#define XMSSMT_HASH256_20_4_256_NAME "XMSSMT_SHA2_20_4_256"
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#define XMSSMT_HASH256_40_2_256_NAME "XMSSMT_SHA2_40_2_256"
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#define XMSSMT_HASH256_40_4_256_NAME "XMSSMT_SHA2_40_4_256"
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#define XMSSMT_HASH256_40_8_256_NAME "XMSSMT_SHA2_40_8_256"
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#define XMSSMT_HASH256_60_3_256_NAME "XMSSMT_SHA2_60_3_256"
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#define XMSSMT_HASH256_60_6_256_NAME "XMSSMT_SHA2_60_6_256"
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#define XMSSMT_HASH256_60_12_256_NAME "XMSSMT_SHA2_60_12_256"
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#else
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#define XMSSMT_HASH256_20_2_256 XMSSMT_SM3_20_2_256
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#define XMSSMT_HASH256_20_4_256 XMSSMT_SM3_20_4_256
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#define XMSSMT_HASH256_40_2_256 XMSSMT_SM3_40_2_256
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#define XMSSMT_HASH256_40_4_256 XMSSMT_SM3_40_4_256
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#define XMSSMT_HASH256_40_8_256 XMSSMT_SM3_40_8_256
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#define XMSSMT_HASH256_60_3_256 XMSSMT_SM3_60_3_256
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#define XMSSMT_HASH256_60_6_256 XMSSMT_SM3_60_6_256
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#define XMSSMT_HASH256_60_12_256 XMSSMT_SM3_60_12_256
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#define XMSSMT_HASH256_20_2_256_NAME "XMSSMT_SM3_20_2_256"
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#define XMSSMT_HASH256_20_4_256_NAME "XMSSMT_SM3_20_4_256"
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#define XMSSMT_HASH256_40_2_256_NAME "XMSSMT_SM3_40_2_256"
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#define XMSSMT_HASH256_40_4_256_NAME "XMSSMT_SM3_40_4_256"
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#define XMSSMT_HASH256_40_8_256_NAME "XMSSMT_SM3_40_8_256"
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#define XMSSMT_HASH256_60_3_256_NAME "XMSSMT_SM3_60_3_256"
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#define XMSSMT_HASH256_60_6_256_NAME "XMSSMT_SM3_60_6_256"
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#define XMSSMT_HASH256_60_12_256_NAME "XMSSMT_SM3_60_12_256"
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#endif
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#define XMSSMT_MAX_HEIGHT 60
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#define XMSSMT_MIN_LAYERS 2
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#define XMSSMT_MAX_LAYERS 12
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//#define XMSSMT_MIN_XMSS_HEIGHT 5
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//#define XMSSMT_MAX_XMSS_HEIGHT 20
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enum {
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XMSSMT_SM3_20_2_256 = 0x00000001, // 2 10 1024*1024 (2^11 - 1) * 2
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XMSSMT_SM3_20_4_256 = 0x00000002, // 4 5
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XMSSMT_SM3_40_2_256 = 0x00000003, // 2 20
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XMSSMT_SM3_40_4_256 = 0x00000004, // 4 10
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XMSSMT_SM3_40_8_256 = 0x00000005, // 8 5
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XMSSMT_SM3_60_3_256 = 0x00000006, // 3 20
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XMSSMT_SM3_60_6_256 = 0x00000007, // 6 10
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XMSSMT_SM3_60_12_256 = 0x00000008, // 12 5
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};
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enum {
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// from RFC 8391 table 8
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XMSSMT_RESERVED = 0x00000000,
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XMSSMT_SHA2_20_2_256 = 0x00000001,
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XMSSMT_SHA2_20_4_256 = 0x00000002,
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XMSSMT_SHA2_40_2_256 = 0x00000003,
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XMSSMT_SHA2_40_4_256 = 0x00000004,
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XMSSMT_SHA2_40_8_256 = 0x00000005,
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XMSSMT_SHA2_60_3_256 = 0x00000006,
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XMSSMT_SHA2_60_6_256 = 0x00000007,
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XMSSMT_SHA2_60_12_256 = 0x00000008,
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XMSSMT_SHA2_20_2_512 = 0x00000009,
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XMSSMT_SHA2_20_4_512 = 0x0000000A,
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XMSSMT_SHA2_40_2_512 = 0x0000000B,
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XMSSMT_SHA2_40_4_512 = 0x0000000C,
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XMSSMT_SHA2_40_8_512 = 0x0000000D,
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XMSSMT_SHA2_60_3_512 = 0x0000000E,
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XMSSMT_SHA2_60_6_512 = 0x0000000F,
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XMSSMT_SHA2_60_12_512 = 0x00000010,
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XMSSMT_SHAKE_20_2_256 = 0x00000011,
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XMSSMT_SHAKE_20_4_256 = 0x00000012,
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XMSSMT_SHAKE_40_2_256 = 0x00000013,
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XMSSMT_SHAKE_40_4_256 = 0x00000014,
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XMSSMT_SHAKE_40_8_256 = 0x00000015,
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XMSSMT_SHAKE_60_3_256 = 0x00000016,
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XMSSMT_SHAKE_60_6_256 = 0x00000017,
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XMSSMT_SHAKE_60_12_256 = 0x00000018,
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XMSSMT_SHAKE_20_2_512 = 0x00000019,
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XMSSMT_SHAKE_20_4_512 = 0x0000001A,
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XMSSMT_SHAKE_40_2_512 = 0x0000001B,
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XMSSMT_SHAKE_40_4_512 = 0x0000001C,
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XMSSMT_SHAKE_40_8_512 = 0x0000001D,
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XMSSMT_SHAKE_60_3_512 = 0x0000001E,
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XMSSMT_SHAKE_60_6_512 = 0x0000001F,
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XMSSMT_SHAKE_60_12_512 = 0x00000020,
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};
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char *xmssmt_type_name(uint32_t xmssmt_type);
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uint32_t xmssmt_type_from_name(const char *name);
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int xmssmt_type_to_height_and_layers(uint32_t xmssmt_type, size_t *height, size_t *layers);
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typedef struct {
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uint32_t xmssmt_type;
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hash256_t seed;
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hash256_t root;
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} XMSSMT_PUBLIC_KEY;
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#define XMSSMT_PUBLIC_KEY_SIZE (4 + sizeof(hash256_t) + sizeof(hash256_t)) // = 68 bytes
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typedef struct {
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XMSSMT_PUBLIC_KEY public_key;
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hash256_t secret;
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hash256_t sk_prf;
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uint64_t index; // in [0, 2^60 - 1]
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hash256_t *trees;
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wots_sig_t wots_sigs[XMSSMT_MAX_LAYERS - 1];
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} XMSSMT_KEY;
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|
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int xmssmt_private_key_size(uint32_t xmssmt_type, size_t *len);
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int xmssmt_key_build_auth_path(const XMSSMT_KEY *key, hash256_t *auth_path);
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int xmssmt_key_generate(XMSSMT_KEY *key, uint32_t xmssmt_type);
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int xmssmt_public_key_to_bytes(const XMSSMT_KEY *key, uint8_t **out, size_t *outlen);
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int xmssmt_public_key_from_bytes(XMSSMT_KEY *key, const uint8_t **in, size_t *inlen);
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int xmssmt_public_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSSMT_KEY *key);
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int xmssmt_private_key_to_bytes(const XMSSMT_KEY *key, uint8_t **out, size_t *outlen);
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int xmssmt_private_key_from_bytes(XMSSMT_KEY *key, const uint8_t **in, size_t *inlen);
|
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int xmssmt_private_key_print(FILE *fp, int fmt, int ind, const char *label, const XMSSMT_KEY *key);
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|
|
|
|
|
typedef struct {
|
|
uint64_t index;
|
|
hash256_t random;
|
|
hash256_t wots_sigs[XMSSMT_MAX_LAYERS][67];
|
|
hash256_t auth_path[XMSSMT_MAX_HEIGHT];
|
|
} XMSSMT_SIGNATURE;
|
|
|
|
#define XMSSMT_SIGNATURE_MAX_SIZE \
|
|
(sizeof(uint64_t) + 32 + sizeof(wots_sig_t) * XMSSMT_MAX_LAYERS + sizeof(hash256_t) * XMSSMT_MAX_HEIGHT)
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|
|
|
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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);
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|
|
|
int xmssmt_signature_size(uint32_t xmssmt_type, size_t *siglen);
|
|
int xmssmt_signature_to_bytes(const XMSSMT_SIGNATURE *sig, uint32_t xmssmt_type, uint8_t **out, size_t *outlen);
|
|
int xmssmt_signature_from_bytes(XMSSMT_SIGNATURE *sig, uint32_t xmssmt_type, const uint8_t **in, size_t *inlen);
|
|
int xmssmt_signature_print_ex(FILE *fp, int fmt, int ind, const char *label, const XMSSMT_SIGNATURE *sig, uint32_t xmssmt_type);
|
|
int xmssmt_signature_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *sig, size_t siglen, uint32_t xmssmt_type);
|
|
|
|
|
|
typedef struct {
|
|
XMSSMT_PUBLIC_KEY xmssmt_public_key;
|
|
XMSSMT_SIGNATURE xmssmt_sig;
|
|
HASH256_CTX hash256_ctx;
|
|
} XMSSMT_SIGN_CTX;
|
|
|
|
int xmssmt_sign_init(XMSSMT_SIGN_CTX *ctx, XMSSMT_KEY *key);
|
|
int xmssmt_sign_update(XMSSMT_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
|
|
int xmssmt_sign_finish(XMSSMT_SIGN_CTX *ctx, uint8_t *sig, size_t *siglen);
|
|
int xmssmt_sign_finish_ex(XMSSMT_SIGN_CTX *ctx, XMSSMT_SIGNATURE *sig);
|
|
int xmssmt_verify_init_ex(XMSSMT_SIGN_CTX *ctx, const XMSSMT_KEY *key, const XMSSMT_SIGNATURE *sig);
|
|
int xmssmt_verify_init(XMSSMT_SIGN_CTX *ctx, const XMSSMT_KEY *key, const uint8_t *sigbuf, size_t siglen);
|
|
int xmssmt_verify_update(XMSSMT_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
|
|
int xmssmt_verify_finish(XMSSMT_SIGN_CTX *ctx);
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|