我有问题。我有一种在PHP和C#中加密密码的方法,但是两种算法都无法获得相同的结果。有人可以帮我吗?
php
<?php
$password = 'MySecretPass';
$secret = '65rgt85k89xrDAr3';
$iv = 'AAAAAAAAAAAAAAAA';
$td = mcrypt_module_open('rijndael-128', '', 'cfb','');
mcrypt_generic_init($td, $secret, $iv);
$password = mcrypt_generic($td, $password);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$password=base64_encode($password);
echo $password;
?>
c#
var password = padString("MySecretPass");
txtEncrypt.Text = Convert.ToBase64String(EncryptStringToBytes(password,
Encoding.UTF8.GetBytes("65rgt85k89xrDAr3"),
Encoding.UTF8.GetBytes("AAAAAAAAAAAAAAAA"), PaddingMode.None));
txtEncrypt.Text = txtEncrypt.Text;
static byte[] EncryptStringToBytes(string plainText, byte[] key, byte[] iv, PaddingMode mode)
{
byte[] encrypted;
using (var rijAlg = new RijndaelManaged { Mode = CipherMode.CFB, BlockSize = 128, Padding = mode })
{
rijAlg.Key = key;
rijAlg.IV = iv;
var encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
using (var msEncrypt = new MemoryStream())
{
using (var csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (var swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(plainText);
}
encrypted = msEncrypt.ToArray();
}
}
}
return encrypted;
}
private static String padString(String source)
{
char paddingChar = ' ';
int size = 16;
int x = source.Length % size;
int padLength = size - x;
for (int i = 0; i < padLength; i++)
{
source += paddingChar;
}
return source;
}
PHP的结果为"/knlzi/fzoerwl79",但对于C#IS/j643dvar4/gh0ayhdshnw =====。我不知道为什么我的结果有所不同。此外,我在Java中编写了代码,并且得到了与C#。
中相同的结果。预先感谢。
可能是Encoding.GetBytes(string)
返回" Unicode编码"。这实际上不存在编码,但它返回UTF-16。另一方面,您将钥匙和IV视为ASCII字符。
因此,无论编码PHP使用哪种,都会存在不匹配。您应该明确定义在将文本字符串转换为字节时,应使用哪些编码,这既在php code中均以您的C#代码。