Exemplo n.º 1
0
        /// <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);
        }
Exemplo n.º 2
0
        /// <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);
        }