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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 xaesgcm provides a key and parameters definition for X-AES-GCM,
// which is specified in https://c2sp.org/XAES-256-GCM.
package xaesgcm
import (
"fmt"
"google.golang.org/protobuf/proto"
"github.com/tink-crypto/tink-go/v2/core/registry"
"github.com/tink-crypto/tink-go/v2/internal/keygenregistry"
"github.com/tink-crypto/tink-go/v2/internal/legacykeymanager"
"github.com/tink-crypto/tink-go/v2/internal/primitiveregistry"
"github.com/tink-crypto/tink-go/v2/internal/protoserialization"
"github.com/tink-crypto/tink-go/v2/internal/registryconfig"
tinkpb "github.com/tink-crypto/tink-go/v2/proto/tink_go_proto"
xaesgcmpb "github.com/tink-crypto/tink-go/v2/proto/x_aes_gcm_go_proto"
)
func newKeyManager() registry.KeyManager {
return legacykeymanager.New(typeURL, ®istryconfig.RegistryConfig{}, tinkpb.KeyData_SYMMETRIC, func(b []byte) (proto.Message, error) {
protoKey := &xaesgcmpb.XAesGcmKey{}
if err := proto.Unmarshal(b, protoKey); err != nil {
return nil, err
}
return protoKey, nil
})
}
func init() {
if err := protoserialization.RegisterKeySerializer[*Key](&keySerializer{}); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
if err := protoserialization.RegisterKeyParser(typeURL, &keyParser{}); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
if err := protoserialization.RegisterParametersSerializer[*Parameters](¶metersSerializer{}); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
if err := protoserialization.RegisterParametersParser(typeURL, ¶metersParser{}); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
if err := registry.RegisterKeyManager(newKeyManager()); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
if err := primitiveregistry.RegisterPrimitiveConstructor[*Key](primitiveConstructor); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
if err := keygenregistry.RegisterKeyCreator[*Parameters](createKey); err != nil {
panic(fmt.Sprintf("xaesgcm.init() failed: %v", err))
}
}
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