public static string RsaEncryptJava(string publicKey, string serct)
{
var a = Base64.decode(publicKey);
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(a);
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
RSAPublicKey publicKey1 = (RSAPublicKey)keyFactory.generatePublic(keySpec);
Cipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.ENCRYPT_MODE, publicKey1);
// 模长
int key_len = publicKey1.getModulus().bitLength() / 8;
// 加密数据长度 <= 模长-11
string[] datas = splitString(serct, key_len - 11);
string mi = "";
//如果明文长度大于模长-11则要分组加密
foreach (string s in datas)
{
mi += bcd2Str(cipher.doFinal(System.Text.Encoding.UTF8.GetBytes(s)));
}
return(mi);
}
/// <summary>
/// Initializes the facade. Should only be called once.
/// </summary>
/// <param name="context">An Android Context object. Usually the Activity object.</param>
/// <param name="developerUuid">The developer UUID, which is obtained from the developer portal.</param>
public void Init(Android.Content.Context context, string developerUuid)
{
// Load the key from the resources
byte[] applicationKey = null;
var resId = context.Resources.GetIdentifier("key", "raw", context.PackageName);
using (var stream = context.Resources.OpenRawResource(resId))
{
using (var ms = new MemoryStream())
{
stream.CopyTo(ms);
applicationKey = ms.ToArray();
}
}
// Generate the public key from the application key
using (var keySpec = new X509EncodedKeySpec(applicationKey))
{
using (var keyFactory = KeyFactory.GetInstance("RSA"))
{
_publicKey = keyFactory.GeneratePublic(keySpec);
}
}
InitInternal(context, developerUuid);
OuyaController.Init(context);
Log("Hardware: " + GetDeviceHardware().DeviceName());
}
/// <summary>
/// Get PublicKey
/// </summary>
/// <param name="key">key(by Base64)</param>
/// <returns></returns>
private static IPublicKey GetPublicKey(string key)
{
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(Base64Hw.Decode(key));
KeyFactory keyFactory = KeyFactory.GetInstance("RSA");
IPublicKey publicKey = keyFactory.GeneratePublic(keySpec);
return(publicKey);
}
public PublicKey GeneratePublic(X509EncodedKeySpec var1)
{
throw new System.NotImplementedException();
}