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Base32Legacy.java
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Base32Legacy.java
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/*-
* Copyright 2010 Google 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 com.google.authenticator.blackberry;
/**
* Encodes arbitrary byte arrays as case-insensitive base-32 strings using
* the legacy encoding scheme.
*/
public class Base32Legacy extends Base32String {
// 32 alpha-numeric characters. Excluding 0, 1, O, and I
private static final Base32Legacy INSTANCE =
new Base32Legacy("23456789ABCDEFGHJKLMNPQRSTUVWXYZ");
static Base32String getInstance() {
return INSTANCE;
}
protected Base32Legacy(String alphabet) {
super(alphabet);
}
public static byte[] decode(String encoded) throws DecodingException {
return getInstance().decodeInternal(encoded);
}
public static String encode(byte[] data) {
return getInstance().encodeInternal(data);
}
}