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// Copyright 2024 Google LLC
//
// 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.
package mac_test
import (
"testing"
"github.com/tink-crypto/tink-go/v2/keyset"
"github.com/tink-crypto/tink-go/v2/mac"
"github.com/tink-crypto/tink-go/v2/subtle/random"
tinkpb "github.com/tink-crypto/tink-go/v2/proto/tink_go_proto"
)
// Benchmarks for MAC algorithms.
var benchmarkTestCases = []struct {
name string
template *tinkpb.KeyTemplate
dataSize uint32
}{
{
name: "HMAC_SHA256_16",
template: mac.HMACSHA256Tag128KeyTemplate(),
dataSize: 16,
}, {
name: "HMAC_SHA512_16",
template: mac.HMACSHA512Tag256KeyTemplate(),
dataSize: 16,
}, {
name: "AES_CMAC_16",
template: mac.AESCMACTag128KeyTemplate(),
dataSize: 16,
}, {
name: "HMAC_SHA256_16k",
template: mac.HMACSHA256Tag128KeyTemplate(),
dataSize: 16 * 1024,
}, {
name: "HMAC_SHA512_16k",
template: mac.HMACSHA512Tag256KeyTemplate(),
dataSize: 16 * 1024,
}, {
name: "AES_CMAC_16k",
template: mac.AESCMACTag128KeyTemplate(),
dataSize: 16 * 1024,
},
}
func BenchmarkComputeMac(b *testing.B) {
for _, tc := range benchmarkTestCases {
b.Run(tc.name, func(b *testing.B) {
b.ReportAllocs()
handle, err := keyset.NewHandle(tc.template)
if err != nil {
b.Fatal(err)
}
primitive, err := mac.New(handle)
if err != nil {
b.Fatal(err)
}
data := random.GetRandomBytes(tc.dataSize)
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, err := primitive.ComputeMAC(data)
if err != nil {
b.Error(err)
}
}
})
}
}
func BenchmarkVerifyMac(b *testing.B) {
for _, tc := range benchmarkTestCases {
b.Run(tc.name, func(b *testing.B) {
b.ReportAllocs()
handle, err := keyset.NewHandle(tc.template)
if err != nil {
b.Fatal(err)
}
primitive, err := mac.New(handle)
if err != nil {
b.Fatal(err)
}
data := random.GetRandomBytes(tc.dataSize)
tag, err := primitive.ComputeMAC(data)
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err = primitive.VerifyMAC(tag, data); err != nil {
b.Error(err)
}
}
})
}
}
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