Java SHAA加密

• Z时代
• 2024-01-10
• 分类：综合

package com.util;
import java.security.MessageDigest;
/** 
 * 采用SHAA加密
 */
public class SHAUtil {
    /*** 
     * SHA加密 生成40位SHA码
     * @param 待加密字符串
     * @return 返回40位SHA码
     */
    public static String shaEncode(String inStr) throws Exception {
        MessageDigest sha = null;
        try {
            sha = MessageDigest.getInstance("SHA");
        } catch (Exception e) {
            System.out.println(e.toString());
            e.printStackTrace();
            return "";
        }
        byte[] byteArray = inStr.getBytes("UTF-8");
        byte[] md5Bytes = sha.digest(byteArray);
        StringBuffer hexValue = new StringBuffer();
        for (int i = 0; i < md5Bytes.length; i++) {
            int val = ((int) md5Bytes[i]) & 0xff;
            if (val < 16) { 
                hexValue.append("0");
            }
            hexValue.append(Integer.toHexString(val));
        }
        return hexValue.toString();
    }
    /**
     * 测试主函数
     */
    public static void main(String args[]) throws Exception {
        String str = new String("5853550A");
        System.out.println("原始：" + str);
        System.out.println("SHA后：" + shaEncode(str));
    }
}

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