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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 secretdata_test
import (
"fmt"
"log"
"github.com/tink-crypto/tink-go/v2/insecuresecretdataaccess"
"github.com/tink-crypto/tink-go/v2/secretdata"
)
type Key struct {
keyMaterial secretdata.Bytes
}
func NewKey() (*Key, error) {
keyMaterial, err := secretdata.NewBytesFromRand(32)
if err != nil {
return nil, err
}
return &Key{keyMaterial: keyMaterial}, nil
}
func (k *Key) Key() secretdata.Bytes { return k.keyMaterial }
func ExampleBytes() {
key, err := NewKey()
if err != nil {
log.Fatal(err)
}
// APIs can safely return the the key material wrapped in a secretdata.Bytes
// value.
keyMaterial := key.Key()
if err != nil {
log.Fatal(err)
}
// Extracting the wrapped data requires an insecuresecretdataaccess.Token
// value.
keyMaterialData := keyMaterial.Data(insecuresecretdataaccess.Token{})
fmt.Println(len(keyMaterialData))
// Output: 32
}
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