Java实现SHA1加密代码实例
接⼊中需要⽤到SHA1的算法。Java版的SHA1加密如下：
/*
* 公众平台(JAVA) SDK
*
* Copyright (c) 2016, Ansitech Network Technology Co.,Ltd All rights reserved.
* www.ansitech/weixin/sdk/
*
* 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
*
*  /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.levi.utils;
import java.security.MessageDigest;
/
**
* <p>Title: SHA1算法</p>
*
* @author levi
*/
public final class SHA1 {
private static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
/**
* Takes the raw bytes from the digest and formats them correct.
*
* @param bytes the raw bytes from the digest.
* @return the formatted bytes.
*/
private static String getFormattedText(byte[] bytes) {
int len = bytes.length;
StringBuilder buf = new StringBuilder(len * 2);
// 把密⽂转换成⼗六进制的字符串形式
for (int j = 0; j < len; j++) {
buf.append(HEX_DIGITS[(bytes[j] >> 4) & 0x0f]);
buf.append(HEX_DIGITS[bytes[j] & 0x0f]);
}
代码转换
String();
}
public static String encode(String str) {
if (str == null) {
return null;
}
try {
MessageDigest messageDigest = Instance("SHA1");
messageDigest.Bytes());
return getFormattedText(messageDigest.digest());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
如果需要做接⼊，直接把上⾯的复制新建⼀个类即可使⽤，我⾃⼰做好的，测试接⼊成功。

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