/** * Copyright (c) 2013-2014 Tomas Dzetkulic * Copyright (c) 2013-2014 Pavol Rusnak * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __BIP32_H__ #define __BIP32_H__ #include <stdbool.h> #include <stdint.h> #include <stdlib.h> #include "ecdsa.h" #include "ed25519-donna/ed25519.h" #include "options.h" // Maximum length of a Base58Check-encoded extended public or private key. #define XPUB_MAXLEN 112 // Maximum length of a Base58Check-encoded address. #define ADDRESS_MAXLEN 39 typedef struct { const char *bip32_name; // string for generating BIP32 xprv from seed const ecdsa_curve *params; // ecdsa curve parameters, null for ed25519 HasherType hasher_base58; HasherType hasher_sign; HasherType hasher_pubkey; HasherType hasher_script; } curve_info; typedef struct { uint32_t depth; uint32_t child_num; uint8_t chain_code[32]; uint8_t private_key[32]; uint8_t private_key_extension[32]; uint8_t public_key[33]; const curve_info *curve; } HDNode; int hdnode_from_xpub(uint32_t depth, uint32_t child_num, const uint8_t *chain_code, const uint8_t *public_key, const char *curve, HDNode *out); int hdnode_from_xprv(uint32_t depth, uint32_t child_num, const uint8_t *chain_code, const uint8_t *private_key, const char *curve, HDNode *out); int hdnode_from_seed(const uint8_t *seed, int seed_len, const char *curve, HDNode *out); #define hdnode_private_ckd_prime(X, I) \ hdnode_private_ckd((X), ((I) | 0x80000000)) int hdnode_private_ckd(HDNode *inout, uint32_t i); int hdnode_public_ckd_cp(const ecdsa_curve *curve, const curve_point *parent, const uint8_t *parent_chain_code, uint32_t i, curve_point *child, uint8_t *child_chain_code); int hdnode_public_ckd(HDNode *inout, uint32_t i); void hdnode_public_ckd_address_optimized(const curve_point *pub, const uint8_t *chain_code, uint32_t i, uint32_t version, HasherType hasher_pubkey, HasherType hasher_base58, char *addr, int addrsize, int addrformat); #if USE_BIP32_CACHE void bip32_cache_clear(void); int hdnode_private_ckd_cached(HDNode *inout, const uint32_t *i, size_t i_count, uint32_t *fingerprint); #endif uint32_t hdnode_fingerprint(HDNode *node); int hdnode_fill_public_key(HDNode *node); #if USE_ETHEREUM int hdnode_get_ethereum_pubkeyhash(const HDNode *node, uint8_t *pubkeyhash); #endif #if USE_NEM int hdnode_get_nem_address(HDNode *node, uint8_t version, char *address); int hdnode_get_nem_shared_key(const HDNode *node, const ed25519_public_key peer_public_key, const uint8_t *salt, ed25519_public_key mul, uint8_t *shared_key); int hdnode_nem_encrypt(const HDNode *node, const ed25519_public_key public_key, const uint8_t *iv, const uint8_t *salt, const uint8_t *payload, size_t size, uint8_t *buffer); int hdnode_nem_decrypt(const HDNode *node, const ed25519_public_key public_key, uint8_t *iv, const uint8_t *salt, const uint8_t *payload, size_t size, uint8_t *buffer); #endif int hdnode_sign(HDNode *node, const uint8_t *msg, uint32_t msg_len, HasherType hasher_sign, uint8_t *sig, uint8_t *pby, int (*is_canonical)(uint8_t by, uint8_t sig[64])); int hdnode_sign_digest(HDNode *node, const uint8_t *digest, uint8_t *sig, uint8_t *pby, int (*is_canonical)(uint8_t by, uint8_t sig[64])); int hdnode_get_shared_key(const HDNode *node, const uint8_t *peer_public_key, uint8_t *session_key, int *result_size); int hdnode_serialize_public(const HDNode *node, uint32_t fingerprint, uint32_t version, char *str, int strsize); int hdnode_serialize_private(const HDNode *node, uint32_t fingerprint, uint32_t version, char *str, int strsize); int hdnode_deserialize_public(const char *str, uint32_t version, const char *curve, HDNode *node, uint32_t *fingerprint); int hdnode_deserialize_private(const char *str, uint32_t version, const char *curve, HDNode *node, uint32_t *fingerprint); int hdnode_get_address_raw(HDNode *node, uint32_t version, uint8_t *addr_raw); int hdnode_get_address(HDNode *node, uint32_t version, char *addr, int addrsize); const curve_info *get_curve_by_name(const char *curve_name); #endif