48 lines
1.4 KiB
Java
Executable File
48 lines
1.4 KiB
Java
Executable File
/**
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* Copyright 2018-2028 Akaxin Group
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.windchat.common.utils;
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import java.util.UUID;
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import java.util.zip.CRC32;
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import com.windchat.common.crypto.HashCrypto;
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/**
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* <pre>
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* 生产各种不同类型的用户ID
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* siteUserId && GlobalUserId
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* </pre>
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*
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* @author Sam{@link an.guoyue254@gmail.com}
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* @since 2018-01-26 15:38:49
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*/
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public class UserIdUtils {
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// 用户在每个站点的id为UUID
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public static String createSiteUserId() {
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return UUID.randomUUID().toString();
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}
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// 通过用户公钥，生成用户
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public static String getV1GlobalUserId(String userIdPubk) {
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String body = userIdPubk;
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String SHA1UserPubKey = HashCrypto.SHA1(body);
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CRC32 c32 = new CRC32();
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c32.update(body.getBytes(), 0, body.getBytes().length);
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String CRC32UserPubKey = String.valueOf(c32.getValue());
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return SHA1UserPubKey + "-" + CRC32UserPubKey;
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}
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}
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