core-lightning/bitcoin/privkey.h
Rusty Russell cfb320c972 wire: move remaining bitcoin functions out to bitcoin/ files.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2020-05-18 14:51:12 +02:00

29 lines
892 B
C

#ifndef LIGHTNING_BITCOIN_PRIVKEY_H
#define LIGHTNING_BITCOIN_PRIVKEY_H
#include "config.h"
#include <ccan/short_types/short_types.h>
#include <ccan/structeq/structeq.h>
#define PRIVKEY_LEN 32
/* General 256-bit secret, which must be private. Used in various places. */
struct secret {
u8 data[32];
};
/* You probably shouldn't compare secrets in non-const time! */
bool secret_eq_consttime(const struct secret *a, const struct secret *b);
/* This is a private key. Keep it secret. */
struct privkey {
struct secret secret;
};
/* marshal/unmarshal functions */
void fromwire_secret(const u8 **cursor, size_t *max, struct secret *secret);
void fromwire_privkey(const u8 **cursor, size_t *max, struct privkey *privkey);
void towire_privkey(u8 **pptr, const struct privkey *privkey);
void towire_secret(u8 **pptr, const struct secret *secret);
#endif /* LIGHTNING_BITCOIN_PRIVKEY_H */