initial addition of essential crypto, encoders, workflows and LLM instructions

pkg/crypto/ec/secp256k1/ellipticadaptor_bench_test.go

@@ -0,0 +1,51 @@
+// Copyright 2013-2016 The btcsuite developers
+// Copyright (c) 2015-2022 The Decred developers
+// Use of this source code is governed by an ISC
+// license that can be found in the LICENSE file.
+
+package secp256k1
+
+import (
+	"testing"
+)
+
+// BenchmarkScalarBaseMultAdaptor benchmarks multiplying a scalar by the base
+// point of the curve via the method used to satisfy the elliptic.Curve
+// interface.
+func BenchmarkScalarBaseMultAdaptor(b *testing.B) {
+	k := fromHex("d74bf844b0862475103d96a611cf2d898447e288d34b360bc885cb8ce7c00575")
+	curve := S256()
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		curve.ScalarBaseMult(k.Bytes())
+	}
+}
+
+// BenchmarkScalarBaseMultLargeAdaptor benchmarks multiplying an abnormally
+// large scalar by the base point of the curve via the method used to satisfy
+// the elliptic.Curve interface.
+func BenchmarkScalarBaseMultLargeAdaptor(b *testing.B) {
+	k := fromHex("d74bf844b0862475103d96a611cf2d898447e288d34b360bc885cb8ce7c005751111111011111110")
+	curve := S256()
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		curve.ScalarBaseMult(k.Bytes())
+	}
+}
+
+// BenchmarkScalarMultAdaptor benchmarks multiplying a scalar by an arbitrary
+// point on the curve via the method used to satisfy the elliptic.Curve
+// interface.
+func BenchmarkScalarMultAdaptor(b *testing.B) {
+	x := fromHex("34f9460f0e4f08393d192b3c5133a6ba099aa0ad9fd54ebccfacdfa239ff49c6")
+	y := fromHex("0b71ea9bd730fd8923f6d25a7a91e7dd7728a960686cb5a901bb419e0f2ca232")
+	k := fromHex("d74bf844b0862475103d96a611cf2d898447e288d34b360bc885cb8ce7c00575")
+	curve := S256()
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		curve.ScalarMult(x, y, k.Bytes())
+	}
+}