core-lightning/bitcoin/address.c
Rusty Russell b6943b9198 protocol: remove support for uncompressed pubkeys.
There's no good reason to support them, and this way every key is 33 bytes.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2016-03-30 16:54:16 +10:30

12 lines
320 B
C

#include "address.h"
#include "pubkey.h"
#include <ccan/mem/mem.h>
#include <ccan/crypto/sha256/sha256.h>
void bitcoin_address(const struct pubkey *key, struct bitcoin_address *addr)
{
struct sha256 h;
sha256(&h, memcheck(key->der, sizeof(key->der)), sizeof(key->der));
ripemd160(&addr->addr, h.u.u8, sizeof(h));
}