/// <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);
}
/// <summary>
/// encrypt bytes： src data
/// </summary>
/// <param name="bytes">bytes</param>
/// <param name="publicKey">publicKey</param>
/// <param name="algorithm">algorithm</param>
/// <param name="inputCharset">inputCharset</param>
/// <returns></returns>
public static string Encrypt(sbyte[] bytes, string publicKey, string algorithm, string inputCharset)
{
IKey key = GetPublicKey(publicKey);
Cipher cipher = Cipher.GetInstance(algorithm);
cipher.Init(Javax.Crypto.CipherMode.EncryptMode, key);
if (CommonUtil.IsNull(inputCharset))
{
inputCharset = "UTF-8";
}
byte[] b1 = cipher.DoFinal((byte[])(Array)bytes);
sbyte[] sbyteArray = (sbyte[])(Array)b1;
string encoded = Base64Hw.Encode(sbyteArray);
return(encoded);
}