Bitcoin Core  22.99.0
P2P Digital Currency
bench_schnorrsig.c
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1 /***********************************************************************
2  * Copyright (c) 2018-2020 Andrew Poelstra, Jonas Nick *
3  * Distributed under the MIT software license, see the accompanying *
4  * file COPYING or https://www.opensource.org/licenses/mit-license.php.*
5  ***********************************************************************/
6 
7 #include <string.h>
8 #include <stdlib.h>
9 
10 
11 #include "../include/secp256k1.h"
12 #include "../include/secp256k1_schnorrsig.h"
13 #include "util.h"
14 #include "bench.h"
15 
16 #define MSGLEN 32
17 
18 typedef struct {
20  int n;
21 
23  const unsigned char **pk;
24  const unsigned char **sigs;
25  const unsigned char **msgs;
27 
28 void bench_schnorrsig_sign(void* arg, int iters) {
30  int i;
31  unsigned char msg[MSGLEN] = {0};
32  unsigned char sig[64];
33 
34  for (i = 0; i < iters; i++) {
35  msg[0] = i;
36  msg[1] = i >> 8;
37  CHECK(secp256k1_schnorrsig_sign_custom(data->ctx, sig, msg, MSGLEN, data->keypairs[i], NULL));
38  }
39 }
40 
41 void bench_schnorrsig_verify(void* arg, int iters) {
43  int i;
44 
45  for (i = 0; i < iters; i++) {
47  CHECK(secp256k1_xonly_pubkey_parse(data->ctx, &pk, data->pk[i]) == 1);
48  CHECK(secp256k1_schnorrsig_verify(data->ctx, data->sigs[i], data->msgs[i], MSGLEN, &pk));
49  }
50 }
51 
52 int main(void) {
53  int i;
55  int iters = get_iters(10000);
56 
58  data.keypairs = (const secp256k1_keypair **)malloc(iters * sizeof(secp256k1_keypair *));
59  data.pk = (const unsigned char **)malloc(iters * sizeof(unsigned char *));
60  data.msgs = (const unsigned char **)malloc(iters * sizeof(unsigned char *));
61  data.sigs = (const unsigned char **)malloc(iters * sizeof(unsigned char *));
62 
63  CHECK(MSGLEN >= 4);
64  for (i = 0; i < iters; i++) {
65  unsigned char sk[32];
66  unsigned char *msg = (unsigned char *)malloc(MSGLEN);
67  unsigned char *sig = (unsigned char *)malloc(64);
68  secp256k1_keypair *keypair = (secp256k1_keypair *)malloc(sizeof(*keypair));
69  unsigned char *pk_char = (unsigned char *)malloc(32);
71  msg[0] = sk[0] = i;
72  msg[1] = sk[1] = i >> 8;
73  msg[2] = sk[2] = i >> 16;
74  msg[3] = sk[3] = i >> 24;
75  memset(&msg[4], 'm', MSGLEN - 4);
76  memset(&sk[4], 's', 28);
77 
78  data.keypairs[i] = keypair;
79  data.pk[i] = pk_char;
80  data.msgs[i] = msg;
81  data.sigs[i] = sig;
82 
83  CHECK(secp256k1_keypair_create(data.ctx, keypair, sk));
84  CHECK(secp256k1_schnorrsig_sign_custom(data.ctx, sig, msg, MSGLEN, keypair, NULL));
85  CHECK(secp256k1_keypair_xonly_pub(data.ctx, &pk, NULL, keypair));
86  CHECK(secp256k1_xonly_pubkey_serialize(data.ctx, pk_char, &pk) == 1);
87  }
88 
89  run_benchmark("schnorrsig_sign", bench_schnorrsig_sign, NULL, NULL, (void *) &data, 10, iters);
90  run_benchmark("schnorrsig_verify", bench_schnorrsig_verify, NULL, NULL, (void *) &data, 10, iters);
91 
92  for (i = 0; i < iters; i++) {
93  free((void *)data.keypairs[i]);
94  free((void *)data.pk[i]);
95  free((void *)data.msgs[i]);
96  free((void *)data.sigs[i]);
97  }
98  free(data.keypairs);
99  free(data.pk);
100  free(data.msgs);
101  free(data.sigs);
102 
103  secp256k1_context_destroy(data.ctx);
104  return 0;
105 }
main
int main(void)
Definition: bench_schnorrsig.c:52
SECP256K1_CONTEXT_VERIFY
#define SECP256K1_CONTEXT_VERIFY
Flags to pass to secp256k1_context_create, secp256k1_context_preallocated_size, and secp256k1_context...
Definition: secp256k1.h:184
SECP256K1_CONTEXT_SIGN
#define SECP256K1_CONTEXT_SIGN
Definition: secp256k1.h:185
secp256k1_context_struct
Definition: secp256k1.c:75
bench_schnorrsig_data::pk
const unsigned char ** pk
Definition: bench_schnorrsig.c:23
bench_schnorrsig_data::keypairs
const secp256k1_keypair ** keypairs
Definition: bench_schnorrsig.c:22
secp256k1_schnorrsig_sign_custom
SECP256K1_API int secp256k1_schnorrsig_sign_custom(const secp256k1_context *ctx, unsigned char *sig64, const unsigned char *msg, size_t msglen, const secp256k1_keypair *keypair, secp256k1_schnorrsig_extraparams *extraparams) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(5)
Create a Schnorr signature with a more flexible API.
Definition: main_impl.h:192
string.h
secp256k1_keypair_xonly_pub
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_xonly_pub(const secp256k1_context *ctx, secp256k1_xonly_pubkey *pubkey, int *pk_parity, const secp256k1_keypair *keypair) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(4)
Get the x-only public key from a keypair.
Definition: main_impl.h:235
util.h
bench.h
secp256k1_context_destroy
SECP256K1_API void secp256k1_context_destroy(secp256k1_context *ctx)
Destroy a secp256k1 context object (created in dynamically allocated memory).
Definition: secp256k1.c:202
secp256k1_context_create
SECP256K1_API secp256k1_context * secp256k1_context_create(unsigned int flags) SECP256K1_WARN_UNUSED_RESULT
Create a secp256k1 context object (in dynamically allocated memory).
Definition: secp256k1.c:158
secp256k1_schnorrsig_verify
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_schnorrsig_verify(const secp256k1_context *ctx, const unsigned char *sig64, const unsigned char *msg, size_t msglen, const secp256k1_xonly_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(5)
Verify a Schnorr signature.
Definition: main_impl.h:207
bench_schnorrsig_data::sigs
const unsigned char ** sigs
Definition: bench_schnorrsig.c:24
secp256k1_keypair
Opaque data structure that holds a keypair consisting of a secret and a public key.
Definition: secp256k1_extrakeys.h:33
bench_schnorrsig_data::ctx
secp256k1_context * ctx
Definition: bench_schnorrsig.c:19
secp256k1_keypair_create
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_keypair_create(const secp256k1_context *ctx, secp256k1_keypair *keypair, const unsigned char *seckey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Compute the keypair for a secret key.
Definition: main_impl.h:197
run_benchmark
void run_benchmark(char *name, void(*benchmark)(void *, int), void(*setup)(void *), void(*teardown)(void *, int), void *data, int count, int iter)
Definition: bench.h:76
bench_schnorrsig_verify
void bench_schnorrsig_verify(void *arg, int iters)
Definition: bench_schnorrsig.c:41
bench_schnorrsig_data
Definition: bench_schnorrsig.c:18
bench_schnorrsig_data::msgs
const unsigned char ** msgs
Definition: bench_schnorrsig.c:25
get_iters
int get_iters(int default_iters)
Definition: bench.h:124
secp256k1_xonly_pubkey_parse
SECP256K1_API SECP256K1_WARN_UNUSED_RESULT int secp256k1_xonly_pubkey_parse(const secp256k1_context *ctx, secp256k1_xonly_pubkey *pubkey, const unsigned char *input32) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Parse a 32-byte sequence into a xonly_pubkey object.
Definition: main_impl.h:21
secp256k1_xonly_pubkey_serialize
SECP256K1_API int secp256k1_xonly_pubkey_serialize(const secp256k1_context *ctx, unsigned char *output32, const secp256k1_xonly_pubkey *pubkey) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3)
Serialize an xonly_pubkey object into a 32-byte sequence.
Definition: main_impl.h:43
bench_schnorrsig_data::n
int n
Definition: bench_schnorrsig.c:20
MSGLEN
#define MSGLEN
Definition: bench_schnorrsig.c:16
CHECK
#define CHECK(cond)
Definition: util.h:53
bench_schnorrsig_sign
void bench_schnorrsig_sign(void *arg, int iters)
Definition: bench_schnorrsig.c:28
secp256k1_xonly_pubkey
Opaque data structure that holds a parsed and valid "x-only" public key.
Definition: secp256k1_extrakeys.h:22