isv server对资源开通后的用户名和密码加密-j9九游会登录

代码调用如下图所示。

/**
* 对资源开通后，返回的用户名和密码进行加密
* @param key 密钥* @param str 原文
* @param encryptlength 加密长度
* @return 加密结果
*/
public static string generatesaasusernameorpwd(string key, string str, int encryptlength)
{
string iv = getrandomchars(16);
string afterencryptstr = "";
try
{
afterencryptstr = encryptaescbcencode(str, key, iv, encryptlength);
}
catch (invalidkeyexception | nosuchalgorithmexception
| nosuchpaddingexception | invalidalgorithmparameterexception
| illegalblocksizeexception | badpaddingexception e)
{
//todo:异常处理
}
system.out
.println(afterencryptstr);
return iv   afterencryptstr;
}

/**
* 随机生成字符串
* @param length 随机字符串的长度
* @return  随机字符串
*/
public static string getrandomchars(int length)
{
string randomchars = "";
securerandom random = new securerandom();
for (int i = 0; i < length; i  )
{
//字母和数字中随机
if (random.nextint(2) % 2 == 0)
{
//输出是大写字母还是小写字母
int letterindex = random.nextint(2) % 2 == 0 ? 65 : 97;
randomchars  = (char) (random.nextint(26)   letterindex);
}
else
{
randomchars  = string.valueof(random.nextint(10));
}
}
return randomchars;
}

/**
* aes cbc 位加密
* @param content 加密内容
* @param key 加密密钥* @param iv 向量iv
* @param encryptlength 仅支持128、256长度
* @return 加密结果
* @throws badpaddingexception
* @throws illegalblocksizeexception
* @throws invalidalgorithmparameterexception
* @throws nosuchpaddingexception
* @throws nosuchalgorithmexception
* @throws invalidkeyexception
*/
public static string encryptaescbcencode(string content, string key,
string iv, int encryptlength)
throws invalidkeyexception, nosuchalgorithmexception,
nosuchpaddingexception, invalidalgorithmparameterexception,
illegalblocksizeexception, badpaddingexception
{
if (stringutils.isempty(content) || stringutils.isempty(key)
|| stringutils.isempty(iv))
{
return null;
}
return base_64(
encryptaescbc(content.getbytes(), key.getbytes(), iv.getbytes(), encryptlength));
}

/**
*
* aes cbc 256位加密
* @param content 加密内容字节数组
* @param keybytes 加密字节数组
* @param iv 加密向量字节数组
* @param encryptlength 仅支持128、256长度
* @return 解密后字节内容
* @throws nosuchalgorithmexception
* @throws nosuchpaddingexception
* @throws invalidkeyexception
* @throws invalidalgorithmparameterexception
* @throws illegalblocksizeexception
* @throws badpaddingexception
*/
public static byte[] encryptaescbc(byte[] content, byte[] keybytes,
byte[] iv, int encryptlength)
throws nosuchalgorithmexception, nosuchpaddingexception,
invalidkeyexception, invalidalgorithmparameterexception,
illegalblocksizeexception, badpaddingexception
{
keygenerator keygenerator = keygenerator.getinstance("aes");
securerandom securerandom = securerandom.getinstance("sha1prng");
securerandom.setseed(keybytes);
keygenerator.init(encryptlength, securerandom);
secretkey key = keygenerator.generatekey();
cipher cipher = cipher.getinstance("aes/cbc/pkcs5padding");
cipher.init(cipher.encrypt_mode, key, new ivparameterspec(iv));
byte[] result = cipher.dofinal(content);
return result;
}