Encyptor

JEncyptor.cs

    public static class JEncyptor
    {
        public static Tuple<string, string> CreateKeyPair()
        {
            var cspParams = new CspParameters { ProviderType = 1 };
            var rsaProvider = new RSACryptoServiceProvider(1024, cspParams);
            var publicKey = Convert.ToBase64String(rsaProvider.ExportCspBlob(false));
            var privateKey = Convert.ToBase64String(rsaProvider.ExportCspBlob(true));
            return new Tuple<string, string>(privateKey, publicKey);
        }

        public static byte[] Encrypt(string publicKey, string data)
        {
            var cspParams = new CspParameters { ProviderType = 1 };
            var rsaProvider = new RSACryptoServiceProvider(cspParams);
            rsaProvider.ImportCspBlob(Convert.FromBase64String(publicKey));
            var plainBytes = Encoding.UTF8.GetBytes(data);
            var encryptedBytes = rsaProvider.Encrypt(plainBytes, false);
            return encryptedBytes;
        }

        public static string Decrypt(string privateKey, byte[] encryptedBytes)
        {
            var cspParams = new CspParameters { ProviderType = 1 };
            var rsaProvider = new RSACryptoServiceProvider(cspParams);
            rsaProvider.ImportCspBlob(Convert.FromBase64String(privateKey));
            var plainBytes = rsaProvider.Decrypt(encryptedBytes, false);
            var plainText = Encoding.UTF8.GetString(plainBytes, 0, plainBytes.Length);
            return plainText;
        }
    }