void NewCertificate(object o)
{
var errors = ValidateInputs();
if (!errors.ToString().IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Errors generating Certificate - " +
Environment.NewLine +
errors.ToString()));
IsMessageBoxVisible = true;
return;
}
var keygen = KeyPairUtils.CreateGenerator(Repository.Srand, Model.KeyPairGenerator, Model.KeyStrength);
var keypair = keygen.GenerateKeyPair();
//load the ca pfx file
var caStore = X509Utils.LoadCAPfx(Repository.Instance.KeyStorePassword);
var caCert = caStore.GetCertificate("ca").Certificate;
var caKey = caStore.GetKey("ca").Key;
var cert = X509Utils.GenerateUserCertificate(Model.X509Name,
caCert.SubjectDN,
Model.Validity,
keypair.Public,
caKey,
Model.SignatureAlgorithm,
KeyUsageUtils.GetKeyUsage(Model.KeyUsages),
Model.ExtendedKeyUsages == null
? null
: new ExtendedKeyUsage(
KeyUsageUtils.GetExtendedKeyUsages(
Model.ExtendedKeyUsages)));
_newCertCompletedAction.Invoke(Model.CommonName, cert, keypair);
}
private void GenerateKey()
{
var sb = new StringBuilder();
sb.Append("Error generating Key").Append(Environment.NewLine);
if (Model.Password.IsNullOrEmpty())
{
sb.Append("Enter Password!").Append(Environment.NewLine);
}
if (Model.Salt.IsNullOrEmpty())
{
sb.Append("Enter Salt!").Append(Environment.NewLine);
}
if (Model.KeySize <= 0)
{
sb.Append("Enter KeySize!").Append(Environment.NewLine);
}
if (!Model.BouncyImplementation && Model.Iterations <= 0)
{
sb.Append("Enter Iterations value!").Append(Environment.NewLine);
}
if (Model.BouncyImplementation && Model.Digest == null)
{
sb.Append("Select Digest!").Append(Environment.NewLine);
}
if (Model.BouncyImplementation && Model.DerivationFunction == null)
{
sb.Append("Select derivation function!").Append(Environment.NewLine);
}
var errors = sb.ToString();
if (!errors.IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error(errors));
IsMessageBoxVisible = true;
return;
}
byte[] password = Encoding.UTF32.GetBytes(Model.Password);
byte[] salt = Encoding.UTF32.GetBytes(Model.Salt);
if (Model.BouncyImplementation)
{
Model.Key = new byte[Model.KeySize];
var digest = Model.Digest.Instance <IDigest>();
var kdf = Model.DerivationFunction.Instance <BaseKdfBytesGenerator>(digest);
var kdfParams = new KdfParameters(password, salt);
kdf.Init(kdfParams);
kdf.GenerateBytes(Model.Key, 0, Model.Key.Length);
}
else
{
var k1 = new Rfc2898DeriveBytes(password, salt, Model.Iterations);
Model.Key = k1.GetBytes(Model.KeySize);
}
}
private void CommandExecuted(object o)
{
var pboxes = (object[])o;
var sb = new StringBuilder();
char[] password1 = ((PasswordBox)pboxes[0]).Password.ToArray();
char[] password2 = ((PasswordBox)pboxes[1]).Password.ToArray();
if (password1.Length == 0)
{
sb.Append("please enter a password").Append(Environment.NewLine);
}
if (!password1.SequenceEqual(password2))
{
sb.Append("password and confirm do not match").Append(Environment.NewLine);
}
if (Path.IsNullOrEmpty())
{
sb.Append("please select a path ").Append(Environment.NewLine);
}
if (AlgorithmRequired && SelectedAlgorithm.IsNullOrEmpty())
{
sb.Append("please select an algorithm ").Append(Environment.NewLine);
}
Array.Clear(password1, 0, password1.Length);
Array.Clear(password2, 0, password2.Length);
var errors = sb.ToString();
if (!errors.IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Error exporting to file - " +
Environment.NewLine + errors));
IsMessageBoxVisible = true;
return;
}
char[] password = ((PasswordBox)pboxes[0]).Password.ToArray();
if (AlgorithmRequired)
{
_action.Invoke(_entry, SelectedAlgorithm, password, Path);
}
else
{
_exportPkcs12Action.Invoke(_entry, Path, password);
}
}
private void Process(bool forEncryption)
{
String errors = Validate();
if (!errors.IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox, MessageBoxModel.Error(errors));
IsMessageBoxVisible = true;
return;
}
// TODO:
var iv = new byte[Blocksize];
try
{
using (Stream istream = File.Open(BlockCipherModel.Path, FileMode.Open))
{
String outputFilePath = FileUtils.ChangeFilename(BlockCipherModel.Path,
forEncryption ? "_encrypted" : "_decrypted");
using (Stream ostream = File.Create(outputFilePath))
{
if (BlockCipherModel.BouncyImplementation)
{
EncryptUsingBC(istream, ostream, iv, forEncryption);
}
else
{
EncryptUsingDotNet(istream, ostream, iv, forEncryption);
}
}
}
}
catch (Exception e)
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox, MessageBoxModel.Error(e.Message, "Details", e.StackTrace));
IsMessageBoxVisible = true;
}
}
private void Load(object o)
{
if (o == null)
{
_action.Invoke(new KeyStoreViewModel(Model.SystemStoreName, Model.SystemStoreLocation));
}
else if (o is PasswordBox)
{
char[] password = ((PasswordBox)o).Password.ToCharArray();
try
{
_action.Invoke(new KeyStoreViewModel(password, Model.KeyStorePath));
}
catch (Exception ex)
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error(ex.Message, "Details",
ex.StackTrace));
IsMessageBoxVisible = true;
}
}
}
void NewKeyStore(object o)
{
var passwordBoxes = (object[])o;
var errors = ValidateInputs(passwordBoxes);
if (!errors.ToString().IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Errors generating Certificate - " +
Environment.NewLine +
errors.ToString()));
IsMessageBoxVisible = true;
return;
}
var password = ((PasswordBox)passwordBoxes[0]).Password.ToCharArray();
var keygen = KeyPairUtils.CreateGenerator(Repository.Srand, Model.KeyPairGenerator, Model.KeyStrength);
var keypair = keygen.GenerateKeyPair();
var repo = Repository.Instance;
repo.NewCertificateAuthority(Model.CARepositoryPath, password);
repo.KeyPairType = Model.KeyPairType;
var cert = X509Utils.GenerateCACertificate(Model.X509Name,
Model.Validity,
keypair.Public,
keypair.Private,
Model.SignatureAlgorithm,
KeyUsageUtils.GetKeyUsage(Model.KeyUsages),
Model.ExtendedKeyUsages == null ? null : new ExtendedKeyUsage(KeyUsageUtils.GetExtendedKeyUsages(Model.ExtendedKeyUsages)),
Model.PathLenContraint);
X509Utils.ExportPKCS12(Repository.Instance.CAKeyStore, /*Model.CommonName*/ "ca", keypair.Private, password, cert);
File.WriteAllText(Repository.CaPfxFilename, PemUtilities.Encode(cert));
_newCaCompletedAction.Invoke(new KeyStoreViewModel(password, Model.CARepositoryPath));
//KeyStoreViewModelEx.Instance.Load(password);
}
private void Load(object o)
{
if (o == null)
_action.Invoke(new KeyStoreViewModel(Model.SystemStoreName, Model.SystemStoreLocation));
else if (o is PasswordBox)
{
char[] password = ((PasswordBox) o).Password.ToCharArray();
try
{
_action.Invoke(new KeyStoreViewModel(password, Model.KeyStorePath));
}
catch (Exception ex)
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error(ex.Message, "Details",
ex.StackTrace));
IsMessageBoxVisible = true;
}
}
}
private void CommandExecuted(object o)
{
var pboxes = (object[])o;
var sb = new StringBuilder();
char[] password1 = ((PasswordBox) pboxes[0]).Password.ToArray();
char[] password2 = ((PasswordBox)pboxes[1]).Password.ToArray();
if (password1.Length == 0)
{
sb.Append("please enter a password").Append(Environment.NewLine);
}
if (!password1.SequenceEqual(password2))
{
sb.Append("password and confirm do not match").Append(Environment.NewLine);
}
if (Path.IsNullOrEmpty())
{
sb.Append("please select a path ").Append(Environment.NewLine);
}
if (AlgorithmRequired && SelectedAlgorithm.IsNullOrEmpty())
{
sb.Append("please select an algorithm ").Append(Environment.NewLine);
}
Array.Clear(password1, 0, password1.Length);
Array.Clear(password2, 0, password2.Length);
var errors = sb.ToString();
if(!errors.IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Error exporting to file - " +
Environment.NewLine + errors));
IsMessageBoxVisible = true;
return;
}
char[] password = ((PasswordBox) pboxes[0]).Password.ToArray();
if (AlgorithmRequired)
{
_action.Invoke(_entry, SelectedAlgorithm, password, Path);
}
else
{
_exportPkcs12Action.Invoke(_entry, Path, password);
}
}
private void GenerateKey()
{
var sb = new StringBuilder();
sb.Append("Error generating Key").Append(Environment.NewLine);
if(Model.Password.IsNullOrEmpty())
{
sb.Append("Enter Password!").Append(Environment.NewLine);
}
if(Model.Salt.IsNullOrEmpty())
{
sb.Append("Enter Salt!").Append(Environment.NewLine);
}
if (Model.KeySize <= 0)
{
sb.Append("Enter KeySize!").Append(Environment.NewLine);
}
if (!Model.BouncyImplementation && Model.Iterations <= 0)
{
sb.Append("Enter Iterations value!").Append(Environment.NewLine);
}
if (Model.BouncyImplementation && Model.Digest == null)
{
sb.Append("Select Digest!").Append(Environment.NewLine);
}
if (Model.BouncyImplementation && Model.DerivationFunction == null)
{
sb.Append("Select derivation function!").Append(Environment.NewLine);
}
var errors = sb.ToString();
if (!errors.IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error(errors));
IsMessageBoxVisible = true;
return;
}
byte[] password = Encoding.UTF32.GetBytes(Model.Password);
byte[] salt = Encoding.UTF32.GetBytes(Model.Salt);
if (Model.BouncyImplementation)
{
Model.Key = new byte[Model.KeySize];
var digest = Model.Digest.Instance<IDigest>();
var kdf = Model.DerivationFunction.Instance<BaseKdfBytesGenerator>(digest);
var kdfParams = new KdfParameters(password, salt);
kdf.Init(kdfParams);
kdf.GenerateBytes(Model.Key, 0, Model.Key.Length);
}
else
{
var k1 = new Rfc2898DeriveBytes(password, salt, Model.Iterations);
Model.Key = k1.GetBytes(Model.KeySize);
}
}
void NewKeyStore(object o)
{
var passwordBoxes = (object[]) o;
var errors = ValidateInputs(passwordBoxes);
if(!errors.ToString().IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Errors generating Certificate - " +
Environment.NewLine +
errors.ToString()));
IsMessageBoxVisible = true;
return;
}
var password = ((PasswordBox)passwordBoxes[0]).Password.ToCharArray();
var keygen = KeyPairUtils.CreateGenerator(Repository.Srand, Model.KeyPairGenerator, Model.KeyStrength);
var keypair = keygen.GenerateKeyPair();
var repo = Repository.Instance;
repo.NewCertificateAuthority(Model.CARepositoryPath,password);
repo.KeyPairType = Model.KeyPairType;
var cert = X509Utils.GenerateCACertificate(Model.X509Name,
Model.Validity,
keypair.Public,
keypair.Private,
Model.SignatureAlgorithm,
KeyUsageUtils.GetKeyUsage(Model.KeyUsages),
Model.ExtendedKeyUsages == null ? null : new ExtendedKeyUsage(KeyUsageUtils.GetExtendedKeyUsages(Model.ExtendedKeyUsages)),
Model.PathLenContraint);
X509Utils.ExportPKCS12(Repository.Instance.CAKeyStore, /*Model.CommonName*/ "ca", keypair.Private, password, cert);
File.WriteAllText(Repository.CaPfxFilename, PemUtilities.Encode(cert));
_newCaCompletedAction.Invoke(new KeyStoreViewModel(password, Model.CARepositoryPath));
//KeyStoreViewModelEx.Instance.Load(password);
}
void NewCertificate(object o)
{
var errors = ValidateInputs();
if (!errors.ToString().IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox,
MessageBoxModel.Error("Errors generating Certificate - " +
Environment.NewLine +
errors.ToString()));
IsMessageBoxVisible = true;
return;
}
var keygen = KeyPairUtils.CreateGenerator(Repository.Srand, Model.KeyPairGenerator, Model.KeyStrength);
var keypair = keygen.GenerateKeyPair();
//load the ca pfx file
var caStore = X509Utils.LoadCAPfx(Repository.Instance.KeyStorePassword);
var caCert = caStore.GetCertificate("ca").Certificate;
var caKey = caStore.GetKey("ca").Key;
var cert = X509Utils.GenerateUserCertificate(Model.X509Name,
caCert.SubjectDN,
Model.Validity,
keypair.Public,
caKey,
Model.SignatureAlgorithm,
KeyUsageUtils.GetKeyUsage(Model.KeyUsages),
Model.ExtendedKeyUsages == null
? null
: new ExtendedKeyUsage(
KeyUsageUtils.GetExtendedKeyUsages(
Model.ExtendedKeyUsages)));
_newCertCompletedAction.Invoke(Model.CommonName, cert, keypair);
}
private void Process(bool forEncryption)
{
String errors = Validate();
if (!errors.IsNullOrEmpty())
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox, MessageBoxModel.Error(errors));
IsMessageBoxVisible = true;
return;
}
// TODO:
var iv = new byte[Blocksize];
try
{
using (Stream istream = File.Open(BlockCipherModel.Path, FileMode.Open))
{
String outputFilePath = FileUtils.ChangeFilename(BlockCipherModel.Path,
forEncryption ? "_encrypted" : "_decrypted");
using (Stream ostream = File.Create(outputFilePath))
{
if (BlockCipherModel.BouncyImplementation)
{
EncryptUsingBC(istream, ostream, iv, forEncryption);
}
else
{
EncryptUsingDotNet(istream, ostream, iv, forEncryption);
}
}
}
}
catch (Exception e)
{
MessageBoxContent = new MessageBoxViewModel(CloseMessageBox, MessageBoxModel.Error(e.Message,"Details",e.StackTrace));
IsMessageBoxVisible = true;
}
}
