private void CreateCrypto(string pyt, ref XmlDocument doc, TextBox textBoxName)
{
XmlTextReader gf = new XmlTextReader(pyt);
string buff = doc.OuterXml;
int j = 0;
//Проверка есть ли уже криптография
for (int i = 0; i < buff.Length; i++)
{
string sig = "Signature";
char a = buff[i];
char b = sig[j];
if (buff[i] == sig[j])
{
string str = "";
for (int k = 0; k < sig.Length; k++)
{
str += buff[i + k];
}
//j++;
if (str == sig)
{
MessageBox.Show("Ключ уже создан");
goto BB;
}
}
}
DSA Key = DSA.Create();
string xmls = Key.ToXmlString(false);
XmlElement xmlElement = doc.CreateElement("KEy");
xmlElement.InnerText = xmls;
doc.DocumentElement.AppendChild(xmlElement);
dris.Key = Key;
SignedXml signedXml = new SignedXml(doc);
signedXml.SigningKey = Key;
Reference reference = new Reference();
reference.Uri = "";
XmlDsigEnvelopedSignatureTransform env = new XmlDsigEnvelopedSignatureTransform();
reference.AddTransform(env);
signedXml.AddReference(reference);
signedXml.ComputeSignature();
XmlElement xmlDigitalSignature = signedXml.GetXml();
doc.DocumentElement.AppendChild(doc.ImportNode(xmlDigitalSignature, true));
if (doc.FirstChild is XmlDeclaration)
{
doc.RemoveChild(doc.FirstChild);
}
gf.Close();
XmlTextWriter xmltw = new XmlTextWriter(pyt, System.Text.Encoding.UTF8);
doc.WriteTo(xmltw);
xmltw.Close();
BB :;
if (gf.ReadState != ReadState.Closed)
{
gf.Close();
}
//XmlDocument doc = new XmlDocument();
//doc.PreserveWhitespace = false;
//XmlTextReader gf = new XmlTextReader(pyt);
//doc.Load(gf);
//string buff = doc.OuterXml;
//int j = 0;
////Проверка есть ли уже криптография
//for(int i =0;i<buff.Length;i++)
//{
// string sig = "Signature";
// char a = buff[i];
// char b = sig[j];
// if(buff[i]==sig[j])
// {
// string str = "";
// for(int k=0;k<sig.Length;k++)
// {
// str += buff[i + k];
// }
// //j++;
// if(str == sig)
// {
// MessageBox.Show("Ключ уже создан");
// goto BB;
// }
// }
//}
//DSA Key = DSA.Create();
//dris.Key = Key;
//SignedXml signedXml = new SignedXml(doc);
//signedXml.SigningKey = Key;
//Signature XMLSignature = signedXml.Signature;
//Reference reference = new Reference("");
//XmlDsigEnvelopedSignatureTransform env = new XmlDsigEnvelopedSignatureTransform();
//reference.AddTransform(env);
//XMLSignature.SignedInfo.AddReference(reference);
//KeyInfo keyInfo = new KeyInfo();
//keyInfo.AddClause(new DSAKeyValue((DSA)Key));
//XMLSignature.KeyInfo = keyInfo;
//signedXml.ComputeSignature();
//XmlElement xmlDigitalSignature = signedXml.GetXml();
//doc.DocumentElement.AppendChild(doc.ImportNode(xmlDigitalSignature, true));
////DSA dfs = DSA.Create();
////dfs.FromXmlString("");
//XmlElement ssdw = doc.CreateElement("Key", Key.SignatureAlgorithm);
//doc.DocumentElement.AppendChild(ssdw);
//if (doc.FirstChild is XmlDeclaration)
//{
// doc.RemoveChild(doc.FirstChild);
//}
//gf.Close();
////doc.Save(pyt);
//XmlTextWriter xmltw = new XmlTextWriter(pyt, System.Text.Encoding.UTF8);
//doc.WriteTo(xmltw);
//xmltw.Close();
//BB:;
////
}
static public DSA FromCapiPrivateKeyBlobDSA(byte[] blob, int offset)
{
if (blob == null)
{
throw new ArgumentNullException("blob");
}
if (offset >= blob.Length)
{
throw new ArgumentException("blob is too small.");
}
DSAParameters dsap = new DSAParameters();
try {
if ((blob [offset] != 0x07) || // PRIVATEKEYBLOB (0x07)
(blob [offset + 1] != 0x02) || // Version (0x02)
(blob [offset + 2] != 0x00) || // Reserved (word)
(blob [offset + 3] != 0x00) ||
(ToUInt32LE(blob, offset + 8) != 0x32535344)) // DWORD magic
{
throw new CryptographicException("Invalid blob header");
}
int bitlen = ToInt32LE(blob, offset + 12);
int bytelen = bitlen >> 3;
int pos = offset + 16;
dsap.P = new byte [bytelen];
Buffer.BlockCopy(blob, pos, dsap.P, 0, bytelen);
Array.Reverse(dsap.P);
pos += bytelen;
dsap.Q = new byte [20];
Buffer.BlockCopy(blob, pos, dsap.Q, 0, 20);
Array.Reverse(dsap.Q);
pos += 20;
dsap.G = new byte [bytelen];
Buffer.BlockCopy(blob, pos, dsap.G, 0, bytelen);
Array.Reverse(dsap.G);
pos += bytelen;
dsap.X = new byte [20];
Buffer.BlockCopy(blob, pos, dsap.X, 0, 20);
Array.Reverse(dsap.X);
pos += 20;
dsap.Counter = ToInt32LE(blob, pos);
pos += 4;
dsap.Seed = new byte [20];
Buffer.BlockCopy(blob, pos, dsap.Seed, 0, 20);
Array.Reverse(dsap.Seed);
pos += 20;
}
catch (Exception e) {
throw new CryptographicException("Invalid blob.", e);
}
DSA dsa = null;
try
{
dsa = (DSA)DSA.Create();
dsa.ImportParameters(dsap);
}
catch (CryptographicException ce)
{
// this may cause problem when this code is run under
// the SYSTEM identity on Windows (e.g. ASP.NET). See
// http://bugzilla.ximian.com/show_bug.cgi?id=77559
try
{
CspParameters csp = new CspParameters();
csp.Flags = CspProviderFlags.UseMachineKeyStore;
dsa = new DSACryptoServiceProvider(csp);
dsa.ImportParameters(dsap);
}
catch
{
// rethrow original, not the later, exception if this fails
throw ce;
}
}
return(dsa);
}
/// <summary>DsaFactory</summary>
/// <returns>DSA</returns>
public static DSA DsaFactory()
{
// ハンドリングをDSA（ベースの型に）に変更したので行けるハズ
return(DSA.Create());
}
//
// public constructors
//
public DSAKeyValue()
{
m_key = DSA.Create();
}
public DSA Create()
{
return(DSA.Create());
}
public void ExchangeDSAKey()
{
DSA dsa = DSA.Create();
AsymmetricKeyExchangeFormatter keyex = new RSAOAEPKeyExchangeFormatter(dsa);
}
internal DSAOther()
{
_impl = DSA.Create(1024);
}
