public GetAsymmetricPublicKeyResponse GetAsymmetricPublicKey()
{
GetAsymmetricPublicKeyResponse publicKeyResponse = new GetAsymmetricPublicKeyResponse();
try
{
AsymmetricKeyPairGenerationResult asymmetricKeyPair = _cryptographyInfrastructureService.GenerateAsymmetricKeys();
Guid messageId = Guid.NewGuid();
publicKeyResponse.MessageId = messageId;
publicKeyResponse.PublicKeyXml = asymmetricKeyPair.PublicKeyOnlyXml;
_asymmetricKeyRepositoryFactory.Create().Add(messageId, asymmetricKeyPair);
}
catch (Exception ex)
{
publicKeyResponse.Exception = ex;
}
return(publicKeyResponse);
}
public ProcessSecretMessageResponse ProcessSecretMessage(ProcessSecretMessageRequest processSecretMessageRequest)
{
ProcessSecretMessageResponse response = new ProcessSecretMessageResponse();
try
{
AsymmetricKeyPairGenerationResult asymmetricKeyInStore = _asymmetricKeyRepositoryFactory.Create().FindBy(processSecretMessageRequest.MessageId);
_asymmetricKeyRepositoryFactory.Create().Remove(processSecretMessageRequest.MessageId);
String decryptedPublicKey = _asymmetricCryptoService.DecryptCipherText(processSecretMessageRequest.EncryptedPublicKey
, asymmetricKeyInStore);
String decryptedMessage = _symmetricCryptoService.Decrypt(processSecretMessageRequest.SymmetricEncryptionArgs.InitialisationVector
, decryptedPublicKey, processSecretMessageRequest.SymmetricEncryptionArgs.CipherText);
response.SecretMessageProcessResult = string.Concat("Message received and deciphered: ", decryptedMessage);
}
catch (Exception ex)
{
response.SecretMessageProcessResult = string.Concat("Exception during the message decryption process: ", ex.Message);
response.Exception = ex;
}
return(response);
}
public void Add(Guid messageId, AsymmetricKeyPairGenerationResult asymmetricKeyPair)
{
_asymmetricKeyPairs[messageId] = asymmetricKeyPair;
}
static void Main(string[] args)
{
IAsymmetricCryptographyService ser = new RsaCryptographyService();
AsymmetricKeyPairGenerationResult keyPair = ser.GenerateAsymmetricKeys();
}
