forked from apache/pulsar-client-go
/
message_crypto.go
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/
message_crypto.go
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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
// MessageCrypto implement this interface to encrypt and decrypt messages
type MessageCrypto interface {
// AddPublicKeyCipher encrypt data using the public key(s) in the argument.
// If more than one key name is specified, data key is encrypted using each of those keys.
// If the public key is expired or changed, application is responsible to remove
// the old key and add the new key.
AddPublicKeyCipher(keyNames []string, keyReader KeyReader) error
// RemoveKeyCipher remove the key from the list
RemoveKeyCipher(keyName string) bool
// Encrypt the payload using the data key and update
// message metadata with the key and encrypted data key
Encrypt(encKeys []string, KeyReader KeyReader, msgMetadata MessageMetadataSupplier, payload []byte) ([]byte, error)
// Decrypt the payload using the data key.
// Keys used to encrypt the data key can be retrieved from msgMetadata
Decrypt(msgMetadata MessageMetadataSupplier, payload []byte, KeyReader KeyReader) ([]byte, error)
}