Differential D1250 Diff 3417 src/secp256k1/src/bench_ecdh.c

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src/secp256k1/src/bench_ecdh.c

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	#include "include/secp256k1_ecdh.h"			#include "include/secp256k1_ecdh.h"
	#include "util.h"			#include "util.h"
	#include "bench.h"			#include "bench.h"

	typedef struct {			typedef struct {
	secp256k1_context *ctx;			secp256k1_context *ctx;
	secp256k1_pubkey point;			secp256k1_pubkey point;
	unsigned char scalar[32];			unsigned char scalar[32];
	} bench_ecdh;			} bench_ecdh_data;

	static void bench_ecdh_setup(void* arg) {			static void bench_ecdh_setup(void* arg) {
	int i;			int i;
	bench_ecdh data = (bench_ecdh)arg;			bench_ecdh_data data = (bench_ecdh_data)arg;
	const unsigned char point[] = {			const unsigned char point[] = {
	0x03,			0x03,
	0x54, 0x94, 0xc1, 0x5d, 0x32, 0x09, 0x97, 0x06,			0x54, 0x94, 0xc1, 0x5d, 0x32, 0x09, 0x97, 0x06,
	0xc2, 0x39, 0x5f, 0x94, 0x34, 0x87, 0x45, 0xfd,			0xc2, 0x39, 0x5f, 0x94, 0x34, 0x87, 0x45, 0xfd,
	0x75, 0x7c, 0xe3, 0x0e, 0x4e, 0x8c, 0x90, 0xfb,			0x75, 0x7c, 0xe3, 0x0e, 0x4e, 0x8c, 0x90, 0xfb,
	0xa2, 0xba, 0xd1, 0x84, 0xf8, 0x83, 0xc6, 0x9f			0xa2, 0xba, 0xd1, 0x84, 0xf8, 0x83, 0xc6, 0x9f
	};			};

	/* create a context with no capabilities */			/* create a context with no capabilities */
	data->ctx = secp256k1_context_create(SECP256K1_FLAGS_TYPE_CONTEXT);			data->ctx = secp256k1_context_create(SECP256K1_FLAGS_TYPE_CONTEXT);
	for (i = 0; i < 32; i++) {			for (i = 0; i < 32; i++) {
	data->scalar[i] = i + 1;			data->scalar[i] = i + 1;
	}			}
	CHECK(secp256k1_ec_pubkey_parse(data->ctx, &data->point, point, sizeof(point)) == 1);			CHECK(secp256k1_ec_pubkey_parse(data->ctx, &data->point, point, sizeof(point)) == 1);
	}			}

	static void bench_ecdh(void* arg) {			static void bench_ecdh(void* arg) {
	int i;			int i;
	unsigned char res[32];			unsigned char res[32];
	bench_ecdh data = (bench_ecdh)arg;			bench_ecdh_data data = (bench_ecdh_data)arg;

	for (i = 0; i < 20000; i++) {			for (i = 0; i < 20000; i++) {
	CHECK(secp256k1_ecdh(data->ctx, res, &data->point, data->scalar) == 1);			CHECK(secp256k1_ecdh(data->ctx, res, &data->point, data->scalar) == 1);
	}			}
	}			}

	int main(void) {			int main(void) {
	bench_ecdh data;			bench_ecdh_data data;

	run_benchmark("ecdh", bench_ecdh, bench_ecdh_setup, NULL, &data, 10, 20000);			run_benchmark("ecdh", bench_ecdh, bench_ecdh_setup, NULL, &data, 10, 20000);
	return 0;			return 0;
	}			}