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#define SUPERVERBOSE
static void *tmpctx;
#include <assert.h>
#include <ccan/str/hex/hex.h>
#include <common/type_to_string.h>
#include <common/utils.h>
#include <stdio.h>
#include "../../common/key_derive.c"
static struct secret secret_from_hex(const char *hex)
{
struct secret s;
hex += 2;
if (!hex_decode(hex, strlen(hex), &s, sizeof(s)))
abort();
return s;
}
int main(void)
{
struct privkey privkey;
struct secret base_secret, per_commitment_secret;
struct pubkey base_point, per_commitment_point, pubkey, pubkey2;
tmpctx = tal_tmpctx(NULL);
secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
| SECP256K1_CONTEXT_SIGN);
base_secret = secret_from_hex("0x000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
per_commitment_secret = secret_from_hex("0x1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100");
printf("base_secret: 0x%s\n",
tal_hexstr(tmpctx, &base_secret, sizeof(base_secret)));
printf("per_commitment_secret: 0x%s\n",
tal_hexstr(tmpctx, &per_commitment_secret,
sizeof(per_commitment_secret)));
if (!secp256k1_ec_pubkey_create(secp256k1_ctx,
&per_commitment_point.pubkey,
per_commitment_secret.data))
abort();
if (!secp256k1_ec_pubkey_create(secp256k1_ctx,
&base_point.pubkey,
base_secret.data))
abort();
printf("base_point: 0x%s\n",
type_to_string(tmpctx, struct pubkey, &base_point));
printf("per_commitment_point: 0x%s\n",
type_to_string(tmpctx, struct pubkey, &per_commitment_point));
/* FIXME: Annotate internal steps. */
if (!derive_simple_key(&base_point, &per_commitment_point, &pubkey))
abort();
printf("localkey: 0x%s\n",
type_to_string(tmpctx, struct pubkey, &pubkey));
if (!derive_simple_privkey(&base_secret, &base_point,
&per_commitment_point, &privkey))
abort();
printf("localprivkey: 0x%s\n",
tal_hexstr(tmpctx, &privkey, sizeof(privkey)));
pubkey_from_privkey(&privkey, &pubkey2);
assert(pubkey_eq(&pubkey, &pubkey2));
/* FIXME: Annotate internal steps. */
if (!derive_revocation_key(&base_point, &per_commitment_point, &pubkey))
abort();
printf("revocationkey: 0x%s\n",
type_to_string(tmpctx, struct pubkey, &pubkey));
if (!derive_revocation_privkey(&base_secret, &per_commitment_secret,
&base_point, &per_commitment_point,
&privkey))
abort();
printf("revocationprivkey: 0x%s\n",
tal_hexstr(tmpctx, &privkey, sizeof(privkey)));
pubkey_from_privkey(&privkey, &pubkey2);
assert(pubkey_eq(&pubkey, &pubkey2));
/* No memory leaks please */
secp256k1_context_destroy(secp256k1_ctx);
tal_free(tmpctx);
return 0;
}