我正在使用由phpseclib生成的一对密钥,然后在C#中使用它来加密消息,并在PHP中进行解密。
公钥是:
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvh4OvlS5+7Skk5Nij296
rDAKQsxZrz+gV/MInvWqe/SAOlOf8vqs6xJsn7sd523X8m+b0Kd751UbeeDQRGjC
mbQc9iwQHUFrNa0bSVnpyoc27K+cuxNdtoPG1XXRCFLKKqVJKSyB5ZPu+oQr+OIo
6zYhU5jfCEYbpzPdyYqfDGJPpJv/r8F11MCBrdbvD5Z42ysTDqSxFGIfROWtDOP5
ShSNcVGRQYfX3E/v8j+qy0yu2PD/W1UqNd3m6TTkUj/u1XukUMWp+tfXEdEp7IEU
askvGnBfHgJcsBp2c6kT9WxIU0ai4G8mo/2OsHprw42PBWLcJwfUeUgY3itSczni
WQIDAQAB
-----END PUBLIC KEY-----
通过https://superdry.apphb.com/tools/online-rsa-key-converter进行XML转换。
下面是用C#加密信息的步骤:
public void Synch()
{
string messageToSend = "123";
var encryptedData = EncryptString(messageToSend);
var request = new HTTPRequest(new Uri(APIUrl), HTTPMethods.Post, OnRequestFinished);
request.AddField("message", encryptedData);
request.FormUsage = BestHTTP.Forms.HTTPFormUsage.Multipart;
request.Send();
}
public byte[] EncryptBytes(string message)
{
// https://superdry.apphb.com/tools/online-rsa-key-converter
string XML = "<RSAKeyValue><Modulus>vh4OvlS5+7Skk5Nij296rDAKQsxZrz+gV/MInvWqe/SAOlOf8vqs6xJsn7sd523X8m+b0Kd751UbeeDQRGjCmbQc9iwQHUFrNa0bSVnpyoc27K+cuxNdtoPG1XXRCFLKKqVJKSyB5ZPu+oQr+OIo6zYhU5jfCEYbpzPdyYqfDGJPpJv/r8F11MCBrdbvD5Z42ysTDqSxFGIfROWtDOP5ShSNcVGRQYfX3E/v8j+qy0yu2PD/W1UqNd3m6TTkUj/u1XukUMWp+tfXEdEp7IEUaskvGnBfHgJcsBp2c6kT9WxIU0ai4G8mo/2OsHprw42PBWLcJwfUeUgY3itSczniWQ==</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
//get the object back from the stream
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(XML);
byte[] bytesMessage = Encoding.UTF8.GetBytes(message);
var bytesCipherText = rsa.Encrypt(bytesMessage, false);
return bytesCipherText;
}
public string EncryptString(string message)
{
string encryptedText = Convert.ToBase64String(EncryptBytes(message));
return encryptedText;
}
C# 向 PHP 发送的内容(加密消息,每次都会改变)是什么:
DE9e82l/lP211YQ0gDhvIcwU1dIXaN7re9+VpUYEB62yRYYnmzZfHxv+WeMHtvg5Yq15Lr4rhvQpTiMGyktxkR5wPQRQhDX74gonPIKgYYIfoqF0mswkulaiLReagcroVyd4ZFEfPxKScLXqjo3yIFLaGWVMGoh81ZwRoOUEGLCPkhsRMp1CiHecGZEmZm7VNoiOEeA5xRdO3asl5/jrbnpXeNXcU4OFV4n1hfdw8W04VHyzDU3AmkDnpfO3AHnZluGPOYpl3OYVn9bsmuqL9d02gBr0UP72vp5GxNoDZAy3tzymhdNZArN9sfBXX+QPOlK2eaFwSypGIa/SUn+erg==
在 PHP 解密方面:
Route::post('/decrypt', function (Request $request) {
$encoded_message = $request->input('message');
if (!empty($encoded_message)) {
$private = RSA::loadFormat('PKCS8', file_get_contents(resource_path() . '/rsa/key.pem'), $password = false);
try {
$message = $private->decrypt(base64_decode($encoded_message));
echo $message;
}
} catch (Exception $e) {
return response()->json([
'message' => 'Failed to process: '.$e->getMessage().$e->getTraceAsString(),
]);
}
输出结果如下:
Response: {"message":"Failed to process: Decryption error#0 C:\\www\\laravel\\vendor\\phpseclib\\phpseclib\\phpseclib\\Crypt\\RSA\\PrivateKey.php(469):
我在这里漏掉了什么?