Jonas Nick
2023-07-20 16:29:21 +00:00
64 changed files with 1691 additions and 821 deletions

View File

@@ -14,11 +14,13 @@
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <secp256k1.h>
#include <secp256k1_schnorrsig.h>
#include <secp256k1_musig.h>
#include "random.h"
#include "examples_util.h"
struct signer_secrets {
secp256k1_keypair keypair;
@@ -34,7 +36,7 @@ struct signer {
/* Number of public keys involved in creating the aggregate signature */
#define N_SIGNERS 3
/* Create a key pair, store it in signer_secrets->keypair and signer->pubkey */
int create_keypair(const secp256k1_context* ctx, struct signer_secrets *signer_secrets, struct signer *signer) {
static int create_keypair(const secp256k1_context* ctx, struct signer_secrets *signer_secrets, struct signer *signer) {
unsigned char seckey[32];
while (1) {
if (!fill_random(seckey, sizeof(seckey))) {
@@ -53,7 +55,7 @@ int create_keypair(const secp256k1_context* ctx, struct signer_secrets *signer_s
/* Tweak the pubkey corresponding to the provided keyagg cache, update the cache
* and return the tweaked aggregate pk. */
int tweak(const secp256k1_context* ctx, secp256k1_xonly_pubkey *agg_pk, secp256k1_musig_keyagg_cache *cache) {
static int tweak(const secp256k1_context* ctx, secp256k1_xonly_pubkey *agg_pk, secp256k1_musig_keyagg_cache *cache) {
secp256k1_pubkey output_pk;
unsigned char plain_tweak[32] = "this could be a BIP32 tweak....";
unsigned char xonly_tweak[32] = "this could be a taproot tweak..";
@@ -91,7 +93,7 @@ int tweak(const secp256k1_context* ctx, secp256k1_xonly_pubkey *agg_pk, secp256k
}
/* Sign a message hash with the given key pairs and store the result in sig */
int sign(const secp256k1_context* ctx, struct signer_secrets *signer_secrets, struct signer *signer, const secp256k1_musig_keyagg_cache *cache, const unsigned char *msg32, unsigned char *sig64) {
static int sign(const secp256k1_context* ctx, struct signer_secrets *signer_secrets, struct signer *signer, const secp256k1_musig_keyagg_cache *cache, const unsigned char *msg32, unsigned char *sig64) {
int i;
const secp256k1_musig_pubnonce *pubnonces[N_SIGNERS];
const secp256k1_musig_partial_sig *partial_sigs[N_SIGNERS];