appauth/CodeVerifierUtil.java

Generates secure random code verifiers and challenges for OAuth PKCE authentication flows.

// Source: https://github.com/openid/AppAuth-Android | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
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/*
 * Copyright 2015 The AppAuth for Android Authors. 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

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