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/*
Copyright The ocicrypt Authors.
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 keywrap
import (
"github.com/containers/ocicrypt/config"
)
// KeyWrapper is the interface used for wrapping keys using
// a specific encryption technology (pgp, jwe)
type KeyWrapper interface {
WrapKeys(ec *config.EncryptConfig, optsData []byte) ([]byte, error)
UnwrapKey(dc *config.DecryptConfig, annotation []byte) ([]byte, error)
GetAnnotationID() string
// NoPossibleKeys returns true if there is no possibility of performing
// decryption for parameters provided.
NoPossibleKeys(dcparameters map[string][][]byte) bool
// GetPrivateKeys (optional) gets the array of private keys. It is an optional implementation
// as in some key services, a private key may not be exportable (i.e. HSM)
// If not implemented, return nil
GetPrivateKeys(dcparameters map[string][][]byte) [][]byte
// GetKeyIdsFromPacket (optional) gets a list of key IDs. This is optional as some encryption
// schemes may not have a notion of key IDs
// If not implemented, return the nil slice
GetKeyIdsFromPacket(packet string) ([]uint64, error)
// GetRecipients (optional) gets a list of recipients. It is optional due to the validity of
// recipients in a particular encryptiong scheme
// If not implemented, return the nil slice
GetRecipients(packet string) ([]string, error)
}
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