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package com.github.xiaoyuge5201.encryption;

import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

/**
 * @author xiaoyuge
 */
public class BcryptUtils {
	/**
	 * 使用Bcrypt加密
	 * $是分割符，无意义；2a是bcrypt加密版本号；10是cost的值；而后的前22位是salt值；再然后的字符串就是密码的密文了
	 * @param plaintext 明文
	 * @return
	 */
    public static String encode(String plaintext) {
        BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
        return bCryptPasswordEncoder.encode(plaintext);
    }

	/**
	 * 判断明文和密文是否匹配
	 * @param cipherText 密文
	 * @param plaintext 明文
	 * @return 匹配结果
	 */
    public static Boolean matches(String cipherText, String plaintext) {
        BCryptPasswordEncoder bCryptPasswordEncoder = new BCryptPasswordEncoder();
        return bCryptPasswordEncoder.matches(cipherText, plaintext);
    }
}