You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.2 KiB
113 lines
3.2 KiB
#ifndef LIBWALLY_CORE_BIP39_H
|
|
#define LIBWALLY_CORE_BIP39_H
|
|
|
|
#include "wally_core.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
struct words;
|
|
|
|
/** Valid entropy lengths */
|
|
#define BIP39_ENTROPY_LEN_128 16
|
|
#define BIP39_ENTROPY_LEN_160 20
|
|
#define BIP39_ENTROPY_LEN_192 24
|
|
#define BIP39_ENTROPY_LEN_224 28
|
|
#define BIP39_ENTROPY_LEN_256 32
|
|
#define BIP39_ENTROPY_LEN_288 36
|
|
#define BIP39_ENTROPY_LEN_320 40
|
|
|
|
/** The required size of the output buffer for @bip39_mnemonic_to_seed */
|
|
#define BIP39_SEED_LEN_512 64
|
|
|
|
/** The number of words in a BIP39 compliant wordlist */
|
|
#define BIP39_WORDLIST_LEN 2048
|
|
|
|
/**
|
|
* Get the list of default supported languages.
|
|
*
|
|
* The string returned should be freed using @wally_free_string.
|
|
*/
|
|
WALLY_CORE_API int bip39_get_languages(
|
|
char **output);
|
|
|
|
/**
|
|
* Get the default word list for language @lang.
|
|
*
|
|
* If @lang is NULL or not found the default English list is returned.
|
|
*
|
|
* The returned structure should not be freed.
|
|
*/
|
|
WALLY_CORE_API int bip39_get_wordlist(
|
|
const char *lang,
|
|
const struct words **output);
|
|
|
|
/**
|
|
* Get the 'index'th word from a word list.
|
|
*
|
|
* @w Word list to use. Pass NULL to use the default English list.
|
|
* @index The 0-based index of the word in @w.
|
|
* @output Destination for the resulting word.
|
|
*
|
|
* The string returned should be freed using @wally_free_string.
|
|
*/
|
|
WALLY_CORE_API int bip39_get_word(
|
|
const struct words *w,
|
|
size_t index,
|
|
char **output);
|
|
|
|
/**
|
|
* Generate a mnemonic sentence from the entropy in @bytes_in.
|
|
* @w Word list to use. Pass NULL to use the default English list.
|
|
* @bytes_in: Entropy to convert.
|
|
* @len_in: The length of @bytes_in in bytes.
|
|
* @output Destination for the resulting mnemonic sentence.
|
|
*
|
|
* The string returned should be freed using @wally_free_string.
|
|
*/
|
|
WALLY_CORE_API int bip39_mnemonic_from_bytes(
|
|
const struct words *w,
|
|
const unsigned char *bytes_in,
|
|
size_t len_in,
|
|
char **output);
|
|
|
|
/**
|
|
* Convert a mnemonic sentence into entropy at @bytes_out.
|
|
* @w Word list to use. Pass NULL to use the default English list.
|
|
* @mnemonic Mnemonic to convert.
|
|
* @bytes_out: Where to store the resulting entropy.
|
|
* @len: The length of @bytes_out in bytes.
|
|
* @written: Destination for the number of bytes written to @bytes_out.
|
|
*/
|
|
WALLY_CORE_API int bip39_mnemonic_to_bytes(
|
|
const struct words *w,
|
|
const char *mnemonic,
|
|
unsigned char *bytes_out,
|
|
size_t len,
|
|
size_t *written);
|
|
|
|
/**
|
|
* Validate the checksum embedded in the mnemonic sentence @mnemonic.
|
|
* @w Word list to use. Pass NULL to use the default English list.
|
|
* @mnemonic Mnemonic to validate.
|
|
*/
|
|
WALLY_CORE_API int bip39_mnemonic_validate(
|
|
const struct words *w,
|
|
const char *mnemonic);
|
|
|
|
/**
|
|
* Convert a mnemonic into a binary seed.
|
|
* @mnemonic Mnemonic to convert.
|
|
* @password Mnemonic password or NULL if no password is needed.
|
|
* @bytes_out The destination for the binary seed.
|
|
* @len The length of @bytes_out in bytes. Currently This must
|
|
* be @BIP39_SEED_LEN_512.
|
|
* @written: Destination for the number of bytes written to @bytes_out.
|
|
*/
|
|
WALLY_CORE_API int bip39_mnemonic_to_seed(
|
|
const char *mnemonic,
|
|
const char *password,
|
|
unsigned char *bytes_out,
|
|
size_t len,
|
|
size_t *written);
|
|
|
|
#endif /* LIBWALLY_CORE_BIP39_H */
|
|
|