private static Request BuildRequest(string data)
{
DataSecurity.RSA rsa = new DataSecurity.RSA();
rsa.PublicKey = _publicKey;
rsa.OEAP = true;
rsa.KeySize = 256;
_aes = new DataSecurity.AES();
//aes.IV = aes.GenerateIV();
_aes.IV = "1234567812345678"; //Must be 16 bytes
_aes.SaltValue = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";//"20160928"; //Any string
_aes.Passphrase = "AESPassword20160925BrianSpencer!"; //"BrianSpencer"; //Any string
_key = _aes.GenerateKey();
Request reqst = new Request();
reqst.Action = "Referral";
reqst.Data = _aes.Encrypt(data, _key);
reqst.IV = rsa.Encrypt(_aes.IV);
reqst.Key = rsa.Encrypt(_key);
return reqst;
}
private Response ProcessMessage(Request request, bool encrypt)
{
Response resp = new Response();
resp.ErrorMessage = string.Empty;
resp.IsSuccessful = true;
if(string.IsNullOrEmpty(request.Action))
{
resp.ErrorMessage += " \"Action\" value must be provided.";
resp.IsSuccessful = false;
}
if (string.IsNullOrEmpty(request.Data))
{
resp.ErrorMessage += " \"Data\" value must be provided.";
resp.IsSuccessful = false;
}
if (string.IsNullOrEmpty(request.IV))
{
resp.ErrorMessage += " \"IV\" value must be provided.";
resp.IsSuccessful = false;
}
if (string.IsNullOrEmpty(request.Key))
{
resp.ErrorMessage += " \"Key\" value must be provided.";
resp.IsSuccessful = false;
}
if(!resp.IsSuccessful)
return resp;
//Get Key from RSA encrypted Base64 string
DataSecurity.RSA rsa = new DataSecurity.RSA();
//rsa.PrivateKey = "<RSAKeyValue><Modulus>3nAtE8P3qmYFQSpAMth8dTewX8g5b17RiLifYqEMKeh51SthXeIA2uGhGnwFldk7ukvoUzyNfPy8TyiJwRfjgQ==</Modulus><Exponent>AQAB</Exponent><P>98N2t3Tkcc72ISTZ0hRSPMp1qvSSZv/8P4PznPUUuD0=</P><Q>5dUvyXpvmqp5Da4oBhoardGJz72cNQPzUnUV9+UNyJU=</Q><DP>P/ZnNI9p1nO+mOnhjdmPLYB7BipjjVGytlcDUlb3BWU=</DP><DQ>2SNB46tOF6Tpe3hHjgRJomCuP9uW4iuaThQarjr0e8U=</DQ><InverseQ>SWD8EEJU6K5SNrn2FTz9Ve4CDpFVb8RcAzrq+oH9ioc=</InverseQ><D>d4vmThcmRigqbslcU3dR/FV/rxqW86oMBuTilElllidglI39aK1WSAEQNiYNvOXT+uqsiMBLpPlUZZChoncDIQ==</D></RSAKeyValue>";
rsa.PrivateKey = "<RSAKeyValue><Modulus>vYdhPuIqr2WJPRI9LORDITvNz8iDeHQM7E1GBfy9htkzzfg1AEP3cmqzWMHs50fqnEA9gln6Pu19RO/gwtghG8iqxCyL2XLszwTqB6kMRRmBgmheuLc2v10Gv5TGZKUdojzsNTZsRV6v3BQu8nPv9oqgXchFOuA75/3VMyVhKzk=</Modulus><Exponent>AQAB</Exponent><P>8KRAelPeeOobS3wUufL+YKDw8gHAvg2l7LYbSjniaO/VFzPGAhOJbGDNgzhHP6VYgOztuBeh/B1Q55+PjWiwtw==</P><Q>yaAEN0oBbzci7xw73c9sz1QLd9yYkcH52WAML1WcPKrI3F8tsIHj8c6AkyoD4sd6e3YN2nQNi6UXcBTYYt4zjw==</Q><DP>V5aRWXUZbs1XLfx11tDZQfaSfKOisgppsGUAPd4fyK4y04Umty7BQE9jvjVHyaS3OAYE6JLBhPBuuD/dkkzetQ==</DP><DQ>lBKCRiCBgS3a6AOyK6nj3Td53KMTISh11yBkknaq8RrzvHPh2BjsUG85mdpnVCrvVrBSaDaGpCGwXs3QRHuvHQ==</DQ><InverseQ>ajYqS2J1QYj4om9/XSn0ulNsE9xxEWw+tXSbDjYQVWVjPk048m6CxGUjjIbzuBezWUCt7s+ZPGfIL+60uUS//Q==</InverseQ><D>j64ZD8X/XBaactzn2ad2KLSgsxusZ117Co0OP625tIfm2QeIjpn39hpjui7RvQftGOUufCpgJuJ9rAw6FRwqBAnUtGHqFNqetjZaunD1zqhaKp6kjS7jo7QW0wkWlkgc99vvOVaMQhYnXv1/73xA8Wx8pn5aGgRJn3a+t66bLB0=</D></RSAKeyValue>";
rsa.OEAP = true;
rsa.KeySize = 256;
string key = rsa.Decrypt(request.Key);
//Decrypt the data
DataSecurity.AES aes = new DataSecurity.AES();
aes.IV = rsa.Decrypt(request.IV);
string data = aes.Decrypt(request.Data, key);
//Encrypt the data if requested
if (encrypt)
{
data = aes.Encrypt(data, key);
}
resp.Data = data;
return resp;
}