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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 crypto
// KeyReader implement this interface to read and provide public & private keys
// key pair can be RSA, ECDSA
type KeyReader interface {
// PublicKey get public key that is be used by the producer to encrypt data key
PublicKey(keyName string, metadata map[string]string) (*EncryptionKeyInfo, error)
// PrivateKey get private key that is used by the consumer to decrypt data key
PrivateKey(keyName string, metadata map[string]string) (*EncryptionKeyInfo, error)
}