public override void Load(Stream stream)
{
byte[] encryptedData;
using (MemoryStream memoryStream = new MemoryStream())
{
stream.CopyTo(memoryStream);
encryptedData = memoryStream.ToArray();
}
var base64Array = Encoding.UTF8.GetString(encryptedData).Split('.');
var sessionKeyBlob = Convert.FromBase64String(base64Array[0]);
var encryptedConfigData = Convert.FromBase64String(base64Array[1]);
var sessionKey = SessionKeyContainer.FromBlob(sessionKeyBlob);
var hybridDecryption = HybridDecryption.Create(_containerName, _signatureKey);
var data = hybridDecryption.DecryptData(sessionKey, encryptedConfigData);
using (MemoryStream memoryStream = new MemoryStream(data))
{
var configurationFileParser = new JsonConfigurationFileParser();
this.Data = configurationFileParser.Parse(memoryStream);
}
}
public WhenDecryptingData()
{
_files = Directory.EnumerateFiles(WellKnownPaths.RSA_MACHINEKEYS)
.ToArray();
var currentUser = WindowsIdentity.GetCurrent()
.Name;
var signatureContainer = "signature";
var encryptionContainer = "encryption";
var encryptionKey = RSAEncryption.CreateSecureContainer(encryptionContainer, currentUser);
var signingKey = RSAEncryption.CreateSecureContainer(signatureContainer, currentUser);
var signaturePublicKey = signingKey.ExportKey(false);
var encryptionPublicKey = encryptionKey.ExportKey(false);
_hybridEncryption = HybridEncryption.Create(encryptionPublicKey, signatureContainer);
_hybridDecryption = HybridDecryption.Create(encryptionContainer, signaturePublicKey);
}