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/*
* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2017 Minio, Inc.
*
* 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 encrypt implements a generic interface to encrypt any stream of data.
// currently this package implements two types of encryption
// - Symmetric encryption using AES.
// - Asymmetric encrytion using RSA.
package encrypt
import "io"
// Materials - provides generic interface to encrypt any stream of data.
type Materials interface {
// Returns encrypted/decrypted data, io.Reader compatible.
Read(b []byte) (int, error)
// Get randomly generated IV, base64 encoded.
GetIV() (iv string)
// Get content encrypting key (cek) in encrypted form, base64 encoded.
GetKey() (key string)
// Get user provided encryption material description in
// JSON (UTF8) format. This is not used, kept for future.
GetDesc() (desc string)
// Setup encrypt mode, further calls of Read() function
// will return the encrypted form of data streamed
// by the passed reader
SetupEncryptMode(stream io.Reader) error
// Setup decrypted mode, further calls of Read() function
// will return the decrypted form of data streamed
// by the passed reader
SetupDecryptMode(stream io.Reader, iv string, key string) error
}
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