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#ifndef LIBWALLY_CORE_BIP38_H
#define LIBWALLY_CORE_BIP38_H
#include "wally_core.h"
#include <stdint.h>
/** Flags for BIP38 conversion. The first 8 bits are reserved for the network */
#define BIP38_KEY_MAINNET 0 /** Address is for main network */
#define BIP38_KEY_TESTNET 7 /** Address is for test network */
#define BIP38_KEY_COMPRESSED 256 /** Public key is compressed */
#define BIP38_KEY_EC_MULT 512 /** EC-Multiplied key (FIXME: Not implemented) */
#define BIP38_KEY_QUICK_CHECK 1024 /** Check structure only (no password required) */
#define BIP38_KEY_RAW_MODE 2048 /** Treat bytes in as raw data */
#define BIP38_KEY_SWAP_ORDER 4096 /** Hash comes after encrypted key */
#define BIP38_SERIALIZED_LEN 39 /** Length of a raw BIP38 key in bytes */
/**
* Encode a private key in raw BIP 38 address format.
*
* @bytes_in Private key to use.
* @len_in Size of @bytes_in in bytes. Must be 32.
* @pass Password for the encoded private key.
* @pass_len Length of @pass in bytes.
* @flags BIP38_KEY_ flags indicating desired behaviour.
* @bytes_out Destination for the resulting raw BIP38 address.
* @len Size of @bytes_out in bytes. Must be @BIP38_SERIALIZED_LEN.
*/
WALLY_CORE_API int bip38_raw_from_private_key(
const unsigned char *bytes_in,
size_t len_in,
const unsigned char *pass,
size_t pass_len,
uint32_t flags,
unsigned char *bytes_out,
size_t len);
/**
* Encode a private key in BIP 38 address format.
*
* @bytes_in Private key to use.
* @len_in Size of @bytes_in in bytes. Must be 32.
* @pass Password for the encoded private key.
* @pass_len Length of @pass in bytes.
* @flags BIP38_KEY_ flags indicating desired behaviour.
* @output Destination for the resulting BIP38 address.
*/
WALLY_CORE_API int bip38_from_private_key(
const unsigned char *bytes_in,
size_t len_in,
const unsigned char *pass,
size_t pass_len,
uint32_t flags,
char **output);
/**
* Decode a raw BIP 38 address to a private key.
*
* @bytes_in Raw BIP 38 address to decode.
* @len_in Size of @bytes_in in bytes. Must be @BIP38_SERIALIZED_LEN.
* @pass Password for the encoded private key.
* @pass_len Length of @pass in bytes.
* @flags BIP38_KEY_ flags indicating desired behaviour.
* @bytes_out Destination for the resulting private key.
* @len Size of @bytes_out in bytes. Must be 32.
*/
WALLY_CORE_API int bip38_raw_to_private_key(
const unsigned char *bytes_in,
size_t len_in,
const unsigned char *pass,
size_t pass_len,
uint32_t flags,
unsigned char *bytes_out,
size_t len);
/**
* Decode a BIP 38 address to a private key.
*
* @bip38 BIP 38 address to decode.
* @pass Password for the encoded private key.
* @pass_len Length of @pass in bytes.
* @flags BIP38_KEY_ flags indicating desired behaviour.
* @bytes_out Destination for the resulting private key.
* @len Size of @bytes_out in bytes. Must be 32.
*/
WALLY_CORE_API int bip38_to_private_key(
const char *bip38,
const unsigned char *pass,
size_t pass_len,
uint32_t flags,
unsigned char *bytes_out,
size_t len);
#endif /* LIBWALLY_CORE_BIP38_H */