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// Copyright 2024 OpenPubkey
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
package gq
import (
"crypto/rand"
"crypto/rsa"
"testing"
"github.com/stretchr/testify/require"
)
var result error
var boolResult bool
type testTuple struct {
rsaPublicKey *rsa.PublicKey
token []byte
}
func BenchmarkSigning(b *testing.B) {
// Generate test matrix
matrix, err := generateTestMatrix(b.N)
require.NoError(b, err)
// Reset the benchmark timer to exclude setup time
b.ResetTimer()
var signerVerifier SignerVerifier
for i := 0; i < b.N; i++ {
signerVerifier, err = NewSignerVerifier(matrix[i].rsaPublicKey, 256)
require.NoError(b, err)
_, err = signerVerifier.SignJWT(matrix[i].token)
require.NoError(b, err)
}
// Avoid compiler optimisations eliminating the function under test and artificially lowering the run time of the benchmark
// ref: https://dave.cheney.net/2013/06/30/how-to-write-benchmarks-in-go
result = err
}
func BenchmarkVerifying(b *testing.B) {
// Generate test matrix
matrix, err := generateTestMatrix(b.N)
require.NoError(b, err)
// Generate signatures using matrix
gqSignedTokens := [][]byte{}
for i := 0; i < b.N; i++ {
signerVerifier, err := NewSignerVerifier(matrix[i].rsaPublicKey, 256)
require.NoError(b, err)
sig, err := signerVerifier.SignJWT(matrix[i].token)
require.NoError(b, err)
gqSignedTokens = append(gqSignedTokens, sig)
}
// Reset the benchmark timer to exclude setup time
b.ResetTimer()
var ok bool
for i := 0; i < b.N; i++ {
signerVerifier, err := NewSignerVerifier(matrix[i].rsaPublicKey, 256)
require.NoError(b, err)
ok = signerVerifier.VerifyJWT(gqSignedTokens[i])
require.True(b, ok, "Failed to verify signature!")
}
// Avoid compiler optimisations eliminating the function under test and artificially lowering the run time of the benchmark
// ref: https://dave.cheney.net/2013/06/30/how-to-write-benchmarks-in-go
boolResult = ok
}
func generateTestMatrix(n int) ([]testTuple, error) {
tests := []testTuple{}
for i := 0; i < n; i++ {
key, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return nil, err
}
jwt, err := createOIDCToken(key, "very_fake_audience_claim")
if err != nil {
return nil, err
}
tests = append(tests, testTuple{rsaPublicKey: &key.PublicKey, token: jwt})
}
return tests, nil
}
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