bip32.h

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#pragma once
 
#include <stddef.h>   // size_t
#include <stdint.h>   // uint*_t
#include <stdbool.h>  // bool
 
#define BIP32_HARDENED_MASK 0x80000000u
 
#define MAX_BIP32_PATH 10
 
typedef struct {
    uint8_t  length;
    uint32_t path[MAX_BIP32_PATH];
} path_bip32_t;
 
bool bip32_path_read(const uint8_t *in, size_t in_len, uint32_t *out, size_t out_len);
 
bool bip32_path_format(const uint32_t *bip32_path,
                       size_t          bip32_path_len,
                       char           *out,
                       size_t          out_len);
 
bool bip32_path_format_simple(path_bip32_t *bip32, char *out, size_t out_len);