/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* 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 com.google.polo.encoding;
/**
* Methods that must be implemented by a secret encoding scheme.
*/
public interface SecretEncoder {
/**
* Converts the byte representation of a secret to the appropriate string
* value in this encoding.
*/
public String encodeToString(byte[] secretBytes);
/**
* Converts the encoded value of a secret to the raw byte representation.
*/
public byte[] decodeToBytes(String encodedString);
/**
* Returns the number of symbols produced per each byte of raw input.
*/
public int symbolsPerByte();
}