1// Copyright 2022 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14// 15//////////////////////////////////////////////////////////////////////////////// 16 17package aead_test 18 19import ( 20 "testing" 21 22 "github.com/google/tink/go/internal/aead" 23 "github.com/google/tink/go/testutil" 24) 25 26type AEADSuite struct { 27 testutil.WycheproofSuite 28 TestGroups []*AEADGroup `json:"testGroups"` 29} 30 31type AEADGroup struct { 32 testutil.WycheproofGroup 33 IVSize uint32 `json:"ivSize"` 34 KeySize uint32 `json:"keySize"` 35 TagSize uint32 `json:"tagSize"` 36 Type string `json:"type"` 37 Tests []*AEADCase `json:"tests"` 38} 39 40type AEADCase struct { 41 testutil.WycheproofCase 42 AD testutil.HexBytes `json:"aad"` 43 CT testutil.HexBytes `json:"ct"` 44 IV testutil.HexBytes `json:"iv"` 45 Key testutil.HexBytes `json:"key"` 46 Message testutil.HexBytes `json:"msg"` 47 Tag testutil.HexBytes `json:"tag"` 48} 49 50func TestValidateAESKeySize(t *testing.T) { 51 for _, keySize := range []uint32{8, 16, 24, 32, 40} { 52 err := aead.ValidateAESKeySize(keySize) 53 if keySize == 16 || keySize == 32 { 54 if err != nil { 55 t.Errorf("ValidateAESKeySize(%d): got err %q, want success", keySize, err) 56 } 57 } else if err == nil { 58 t.Errorf("ValidateAESKeySize(%d): got success, want error", keySize) 59 } 60 } 61} 62