mirror of
https://github.com/ElementsProject/lightning.git
synced 2024-11-19 01:43:36 +01:00
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
#ifndef LIGHTNING_BASE58_H
|
|
#define LIGHTNING_BASE58_H
|
|
/* FIXME: Use libsecpk1 */
|
|
#include <ccan/tal/tal.h>
|
|
#include <ccan/short_types/short_types.h>
|
|
#include <openssl/bn.h>
|
|
#include <openssl/ec.h>
|
|
#include <openssl/ripemd.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include "bitcoin_address.h"
|
|
|
|
/* Encoding is version byte + ripemd160 + 4-byte checksum == 200 bits => 2^200.
|
|
*
|
|
* Now, 58^34 < 2^200, but 58^35 > 2^200. So 35 digits is sufficient,
|
|
* plus 1 terminator.
|
|
*/
|
|
#define BASE58_ADDR_MAX_LEN 36
|
|
|
|
/* For encoding private keys, it's 302 bits.
|
|
* 58^51 < 2^302, but 58^52 > 2^302. So 52 digits, plus one terminator. */
|
|
#define BASE58_KEY_MAX_LEN 53
|
|
|
|
/* Bitcoin address encoded in base58, with version and checksum */
|
|
char *bitcoin_to_base58(const tal_t *ctx, bool test_net,
|
|
const struct bitcoin_address *addr);
|
|
bool bitcoin_from_base58(bool *test_net,
|
|
struct bitcoin_address *addr,
|
|
const char *base58, size_t len);
|
|
|
|
bool ripemd_from_base58(u8 *version, u8 ripemd160[RIPEMD160_DIGEST_LENGTH],
|
|
const char *base58);
|
|
|
|
char *base58_with_check(char dest[BASE58_ADDR_MAX_LEN],
|
|
u8 buf[1 + RIPEMD160_DIGEST_LENGTH + 4]);
|
|
|
|
char *key_to_base58(const tal_t *ctx, bool test_net, EC_KEY *key);
|
|
EC_KEY *key_from_base58(const char *base58, size_t base58_len,
|
|
bool *test_net, struct bitcoin_compressed_pubkey *key);
|
|
|
|
bool raw_decode_base_n(BIGNUM *bn, const char *src, size_t len, int base);
|
|
bool raw_decode_base58(BIGNUM *bn, const char *src, size_t len);
|
|
void base58_get_checksum(u8 csum[4], const u8 buf[], size_t buflen);
|
|
|
|
#endif /* PETTYCOIN_BASE58_H */
|