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License: BSD 3-Clause "New" or "Revised" License
JAVA安全SDK及编码规范
License: BSD 3-Clause "New" or "Revised" License
建议添加中maven库吧。谢谢!
我觉得生成的csrftoken可以用CookieCsrfTokenRepository存储在cookie中的,后端$_COOKIES['csrf_token'] == $_POST['csrf_token']进行校验;如果使用seession存储或者其他存储介质,如果后端存在多台服务器,没有做session同步的话就有问题了;
src/main/java/com/immomo/rhizobia/rhizobia_J/crypto/RSAUtils.java
你好,在这个文件里出现了两处密码学的误用,如下:
第一处:
public String keyAlgorithm = "RSA";
RSA加解密时候
第二处:
/**
* @Description: 签名(私钥加密)
* @Param: oriData 待签名数据
* @return: byte[] 数字签名
*/
public byte[] sign(String oriData) throws Exception {
byte[] data = oriData.getBytes();
// 对数据加密
KeyFactory keyFactory = KeyFactory.getInstance(keyAlgorithm);
Cipher cipher = Cipher.getInstance(keyFactory.getAlgorithm());
cipher.init(Cipher.ENCRYPT_MODE, privateKey);
byte[] encrypted = cipher.doFinal(data);
return encrypted;
}
/**
* @Description: 验签(公钥解密)
* @Param: sign 签名
* @return: String 待校验数据
*/
public String verify(byte[] sign) throws Exception {
// 对数据解密
KeyFactory keyFactory = KeyFactory.getInstance(keyAlgorithm);
Cipher cipher = Cipher.getInstance(keyFactory.getAlgorithm());
cipher.init(Cipher.DECRYPT_MODE, publicKey);
byte[] original = cipher.doFinal(sign);
String originalString = new String(original);
return originalString;
}
加签是对整个数据完整性的保证,输出一个长度较短的摘要,代码里的sign函数是用私钥把原文完全加密一遍,生成比明文还要长的数据,完全不是加签。
验签同样,按理说要返回true/false表示是否成功,这里返回明文,和我理解的不大一样。
建议把这个文件重写,不要误导后人。
你好,请问这个sdk有关于富文本中xss防护的策略吗?后期后更新这个吗?
AES 加密攻击 默认是AES/CBC/PKCS5Padding 算法。
CBC/PKCS5Padding 加密模式是不安全的。存在以下攻击手段。
1、 padding oracle 攻击。
攻击条件存在一个解密接口,不需要知道解密结果,只需要知道是否报错。即个在不知道密钥的情况下除第一组明文外的所有明文。(因为第一组初始向量不可控)
2. 字节翻转攻击。
可以构造一个密文,使其解密成攻击的想要的明文。
log4j
log4j
1.2.17
mvn 最新版本更新
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