| // 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/google/tink/go/keyset" |
| "github.com/google/tink/go/mac" |
| "github.com/google/tink/go/subtle/random" |
| tinkpb "github.com/google/tink/go/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) |
| } |
| } |
| }) |
| } |
| } |