int main(void)
{
setup_locale();
struct privkey privkey;
struct secret base_secret, per_commitment_secret;
struct pubkey base_point, per_commitment_point, pubkey, pubkey2;
setup_tmpctx();
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;
}
#include "ecc_k1_projects_basics.h"
void Espace(void) /* waits until SPACE key is pressed.*/
/* in borland does not work in win32s programs ????*/
{
printf("\nPress Space : ");
#ifdef _MSC_VER
// while(getch()!=32);//This POSIX function is deprecated. Use the ISO C++ conformant _getch instead.
while(_getch()!=32);
#else
while(getchar()!=32);
#endif
printf("continuing.\n");
}
#undef ASSERT
static secp256k1_context_t *ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
void BitcoinECCgetPubkey_secp256k1(unsigned char *Here64x,unsigned char *Secret){
unsigned char privkey[32];
unsigned char pubkeyc[65];
int pubkeyclen = 65;
secp256k1_pubkey_t pubkey;
unsigned char digest[SHA256_DIGEST_LENGTH];
unsigned char digest2[20];
//secp256k1_ec_seckey_verify(ctx,Secret);
secp256k1_ec_pubkey_create(ctx, &pubkey, Secret);
secp256k1_ec_pubkey_serialize(ctx, pubkeyc, &pubkeyclen, &pubkey, 0);
SHA256((unsigned char*)pubkeyc, pubkeyclen, digest);
int main(int argc, char *argv[])
{
struct io_conn *conn = tal(NULL, struct io_conn);
struct wireaddr_internal addr;
int af = -1;
struct pubkey us, them;
const char *err_msg;
const char *at;
struct addrinfo *ai = NULL;
setup_locale();
secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY |
SECP256K1_CONTEXT_SIGN);
opt_register_noarg("--initial-sync", opt_set_bool, &initial_sync,
"Stream complete gossip history at start");
opt_register_arg("--max-messages", opt_set_ulongval, opt_show_ulongval,
&max_messages,
"Terminate after reading this many messages (> 0)");
opt_register_noarg("--stdin", opt_set_bool, &stream_stdin,
"Stream gossip messages from stdin.");
opt_register_noarg("--help|-h", opt_usage_and_exit,
"id@addr[:port] [hex-msg-tosend...]\n"
"Connect to a lightning peer and relay gossip messages from it",
"Print this message.");
opt_parse(&argc, argv, opt_log_stderr_exit);
if (argc < 2)
opt_usage_exit_fail("Need an id@addr to connect to");
at = strchr(argv[1], '@');
if (!at)
opt_usage_exit_fail("Need id@addr");
if (!pubkey_from_hexstr(argv[1], at - argv[1], &them))
opt_usage_exit_fail("Invalid id %.*s",
(int)(at - argv[1]), argv[1]);
if (!parse_wireaddr_internal(at+1, &addr, DEFAULT_PORT, NULL,
true, false, &err_msg))
opt_usage_exit_fail("%s '%s'", err_msg, argv[1]);
switch (addr.itype) {
case ADDR_INTERNAL_SOCKNAME:
af = AF_LOCAL;
ai = wireaddr_internal_to_addrinfo(conn, &addr);
break;
case ADDR_INTERNAL_ALLPROTO:
case ADDR_INTERNAL_AUTOTOR:
case ADDR_INTERNAL_FORPROXY:
opt_usage_exit_fail("Don't support proxy use");
case ADDR_INTERNAL_WIREADDR:
switch (addr.u.wireaddr.type) {
case ADDR_TYPE_TOR_V2:
case ADDR_TYPE_TOR_V3:
opt_usage_exit_fail("Don't support proxy use");
break;
case ADDR_TYPE_IPV4:
af = AF_INET;
break;
case ADDR_TYPE_IPV6:
af = AF_INET6;
break;
}
ai = wireaddr_to_addrinfo(tmpctx, &addr.u.wireaddr);
}
if (af == -1 || ai == NULL)
err(1, "Initializing socket");
conn->fd = socket(af, SOCK_STREAM, 0);
if (conn->fd < 0)
err(1, "Creating socket");
memset(¬sosecret, 0x42, sizeof(notsosecret));
if (!pubkey_from_secret(¬sosecret, &us))
errx(1, "Creating pubkey");
if (connect(conn->fd, ai->ai_addr, ai->ai_addrlen) != 0)
err(1, "Connecting to %s", at+1);
initiator_handshake(conn, &us, &them, &addr, handshake_success, argv+2);
exit(0);
}
secp256k1_context * Secp256k1ContextFactory::makeNew(int flags) const
{
return secp256k1_context_create(flags);
}
int main(int argc, char **argv) {
bench_data data;
int i, p;
secp256k1_gej* pubkeys_gej;
size_t scratch_size;
if (argc > 1) {
if(have_flag(argc, argv, "pippenger_wnaf")) {
printf("Using pippenger_wnaf:\n");
data.ecmult_multi = secp256k1_ecmult_pippenger_batch_single;
} else if(have_flag(argc, argv, "strauss_wnaf")) {
printf("Using strauss_wnaf:\n");
data.ecmult_multi = secp256k1_ecmult_strauss_batch_single;
}
} else {
data.ecmult_multi = secp256k1_ecmult_multi_var;
}
/* Allocate stuff */
data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
scratch_size = secp256k1_strauss_scratch_size(POINTS) + STRAUSS_SCRATCH_OBJECTS*16;
data.scratch = secp256k1_scratch_space_create(data.ctx, scratch_size);
data.scalars = malloc(sizeof(secp256k1_scalar) * POINTS);
data.seckeys = malloc(sizeof(secp256k1_scalar) * POINTS);
data.pubkeys = malloc(sizeof(secp256k1_ge) * POINTS);
data.expected_output = malloc(sizeof(secp256k1_gej) * (ITERS + 1));
data.output = malloc(sizeof(secp256k1_gej) * (ITERS + 1));
/* Generate a set of scalars, and private/public keypairs. */
pubkeys_gej = malloc(sizeof(secp256k1_gej) * POINTS);
secp256k1_gej_set_ge(&pubkeys_gej[0], &secp256k1_ge_const_g);
secp256k1_scalar_set_int(&data.seckeys[0], 1);
for (i = 0; i < POINTS; ++i) {
generate_scalar(i, &data.scalars[i]);
if (i) {
secp256k1_gej_double_var(&pubkeys_gej[i], &pubkeys_gej[i - 1], NULL);
secp256k1_scalar_add(&data.seckeys[i], &data.seckeys[i - 1], &data.seckeys[i - 1]);
}
}
secp256k1_ge_set_all_gej_var(data.pubkeys, pubkeys_gej, POINTS);
free(pubkeys_gej);
for (i = 1; i <= 8; ++i) {
run_test(&data, i, 1);
}
for (p = 0; p <= 11; ++p) {
for (i = 9; i <= 16; ++i) {
run_test(&data, i << p, 1);
}
}
secp256k1_context_destroy(data.ctx);
secp256k1_scratch_space_destroy(data.scratch);
free(data.scalars);
free(data.pubkeys);
free(data.seckeys);
free(data.output);
free(data.expected_output);
return(0);
}