package com.weiwojc.utils;
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import org.apache.commons.lang3.RandomStringUtils;
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import org.springframework.security.crypto.bcrypt.BCrypt;
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public class PasswordUtils {
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/**
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* 生成随机盐值
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*/
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public static String generateSalt() {
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return BCrypt.gensalt();
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}
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/**
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* 使用盐值加密密码
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*/
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public static String hashPassword(String password, String salt) {
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return BCrypt.hashpw(password, salt);
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}
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/**
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* 验证密码
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*/
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public static boolean verifyPassword(String password, String hashedPassword) {
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return BCrypt.checkpw(password, hashedPassword);
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}
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/**
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* 从BCrypt哈希值中提取盐值
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*/
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public static String extractSaltFromHash(String hashedPassword) {
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// BCrypt哈希的前29个字符就是盐值
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return hashedPassword.substring(0, 29);
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}
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}
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