public static CieStudentIdentity Decode(byte[] encodedAttribute)
{
try {
// decodifica o atributo como string
var content = Asn1Util.DecodePrintableString(encodedAttribute);
var cieId = new CieStudentIdentity();
// nas primeiras 8 (oito) posições, a data de nascimento do titular, no formato ddmmaaaa;
cieId.DataNascimento = DateTime.ParseExact(content.Substring(0, 8), "ddMMyyyy", null);
// nas 11 (onze) posições subsequentes, o Cadastro de Pessoa Física (CPF) do titular;
cieId.Cpf = content.Substring(8, 11);
// nas 15 (quinze) posições subsequentes, o número da matrícula do estudante;
cieId.Matricula = content.Substring(19, 15).TrimStart('0');
// nas 15(quinze) posições subsequentes, o número do Registro Geral-RG do titular do atributo;
// nas 10(dez) posições subsequentes, as siglas do órgão expedidor do RG e respectiva UF.
cieId.RG = content.Substring(34, 15).TrimStart('0');
if (!string.IsNullOrEmpty(cieId.RG))
{
cieId.RGEmissor = content.Substring(49, content.Length - 49 - 2).Trim();
cieId.RGEmissorUF = content.Substring(content.Length - 2, 2);
}
return(cieId);
} catch (Exception ex) {
throw new FormatException("Error while decoding CIE student identity fields. Invalid format.", ex);
}
}
private void buttonSave_Click(object sender, System.EventArgs e)
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
if (saveFileDialog.FilterIndex == 2)
{
byte[] data = ChangeDataFormat(currentFormat);
if (data != null)
{
Stream fs = saveFileDialog.OpenFile();
fs.Write(data, 0, data.Length);
currentFileName = saveFileDialog.FileName;
currentFileSize = fs.Length;
fs.Close();
}
}
else
{
ChangeDataFormat(DataFormat.PEM);
byte[] data = Asn1Util.StringToBytes(dataStr);
Stream fs = saveFileDialog.OpenFile();
fs.Write(data, 0, data.Length);
currentFileName = saveFileDialog.FileName;
currentFileSize = fs.Length;
fs.Close();
}
openFileDialog.FilterIndex = saveFileDialog.FilterIndex;
openFileDialog.FileName = saveFileDialog.FileName;
openFileDialog.InitialDirectory = saveFileDialog.InitialDirectory;
ShowFileName();
}
}
private static string getStringFromSubNode(Asn1Node nn)
{
string dataStr = null;
if ((nn.Tag & Asn1Tag.TAG_MASK) == Asn1Tag.OCTET_STRING && nn.ChildNodeCount > 0)
{
Asn1Node n = nn.GetChildNode(0);
switch (n.Tag & Asn1Tag.TAG_MASK)
{
case Asn1Tag.PRINTABLE_STRING:
case Asn1Tag.IA5_STRING:
case Asn1Tag.UNIVERSAL_STRING:
case Asn1Tag.VISIBLE_STRING:
case Asn1Tag.NUMERIC_STRING:
case Asn1Tag.UTC_TIME:
case Asn1Tag.UTF8_STRING:
case Asn1Tag.BMPSTRING:
case Asn1Tag.GENERAL_STRING:
case Asn1Tag.GENERALIZED_TIME:
{
if ((n.Tag & Asn1Tag.TAG_MASK) == Asn1Tag.UTF8_STRING)
{
UTF8Encoding unicode = new UTF8Encoding();
dataStr = unicode.GetString(n.Data);
}
else
{
dataStr = Asn1Util.BytesToString(n.Data);
}
}
break;
}
}
return(dataStr);
}
private void OpenFile()
{
pemHeader = System.IO.Path.GetFileName(openFileDialog.FileName).Replace("-", "");
if (openFileDialog.FilterIndex == 2) // Binary file
{
OpenBinaryFile();
}
else if (openFileDialog.FilterIndex == 1) // PEM File
{
OpenPemFile();
}
else
{
if (Asn1Util.IsPemFormatedFile(openFileDialog.FileName))
{
OpenPemFile();
openFileDialog.FilterIndex = 1;
}
else
{
OpenBinaryFile();
openFileDialog.FilterIndex = 2;
}
}
saveFileDialog.FilterIndex = openFileDialog.FilterIndex;
saveFileDialog.FileName = openFileDialog.FileName;
saveFileDialog.InitialDirectory = openFileDialog.InitialDirectory;
}
public static CieStudentData Decode(byte[] encodedAttribute)
{
try {
// decodifica o atributo como string
var content = Asn1Util.DecodePrintableString(encodedAttribute);
var cieData = new CieStudentData();
// nas primeiras 40(quarenta) posições, o nome da instituição de ensino;
cieData.InstituicaoEnsino = content.Substring(0, 40).Trim();
// nas 15 (quinze) posições subsequentes, o grau de escolaridade;
cieData.GrauEscolaridade = content.Substring(40, 15).Trim();
// nas 30 (trinta) posições subsequentes, o nome do curso
cieData.Curso = content.Substring(55, 30).Trim();
// nas 20 (vinte) posições subsequentes, o município da instituição
cieData.InstituicaoEnsinoCidade = content.Substring(85, content.Length - 85 - 2).Trim();
// nas 2 (duas) posições subsequentes, a UF domunicípio.
cieData.InstituicaoEnsinoUF = content.Substring(content.Length - 2, 2).Trim();
return(cieData);
} catch (Exception ex) {
throw new FormatException("Error while decoding CIE student data fields. Invalid format.", ex);
}
}
private void menuItemOpen_Click(object sender, System.EventArgs e)
{
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
if (openFileDialog.FilterIndex == 2)
{
Stream stream = openFileDialog.OpenFile();
byte[] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
stream.Close();
string hexStr = Asn1Util.ToHexString(data);
hexStr = Asn1Util.FormatString(hexStr, hexLineLen, 2);
richTextBox.Text = hexStr;
currentFormat = DataFormat.HEX;
SetButtons();
}
else
{
Stream stream = openFileDialog.OpenFile();
byte[] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
stream.Close();
string dataStr = Asn1Util.BytesToString(data);
richTextBox.Text = dataStr;
}
}
}
public static int IntTrailingZerosCnt(int w)
{
return(0x20 -
(((w & 0xffff) != 0)
? (((w & 0xff) != 0) ? ((((w & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))) + 0x18) : (((((w = Asn1Util.UrShift(w, 8)) & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))) + 0x10))
: ((((w = Asn1Util.UrShift(w, 0x10)) & 0xff) != 0) ? ((((w & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))) + 8) : ((((w = Asn1Util.UrShift(w, 8)) & 15) != 0) ? (((w & 3) != 0) ? (((w & 1) != 0) ? 8 : 7) : (((w & 4) != 0) ? 6 : 5)) : (((w & 0x30) != 0) ? (((w & 0x10) != 0) ? 4 : 3) : (((w & 0x40) != 0) ? 2 : (((w & 0x80) != 0) ? 1 : 0)))))));
}
private void OpenPemFile()
{
Stream stream = openFileDialog.OpenFile();
byte[] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
currentFileName = openFileDialog.FileName;
currentFileSize = stream.Length;
stream.Close();
string dataStr = Asn1Util.BytesToString(data);
if (Asn1Util.IsPemFormated(dataStr))
{
currentFormat = DataFormat.PEM;
pemHeader = Asn1Util.GetPemHeader(dataStr);
}
else if (Asn1Util.IsHexStr(dataStr))
{
currentFormat = DataFormat.HEX;
}
else
{
currentFormat = DataFormat.BASE64;
}
richTextBox.Text = dataStr;
SetButtons();
currentFileName = openFileDialog.FileName;
ShowFileName();
}
private static void BuildTicket(Ticket ticket, Asn1Node asn1Node)
{
Asn1Node childNode1 = asn1Node.GetChildNode(0).GetChildNode(0);
for (int index = 0; (long)index < childNode1.ChildNodeCount; ++index)
{
Asn1Node childNode2 = childNode1.GetChildNode(index);
switch (KerberosAuthorizeMessageBuilder.GetContextNumber(childNode2))
{
case 0:
ticket.TicketVersionNumber = (int)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data);
break;
case 1:
ticket.Realm = childNode2.GetChildNode(0).GetDataStr(false);
break;
case 2:
ticket.ServiceName = new PrincipalName();
KerberosAuthorizeMessageBuilder.BuildPrincipleName(ticket.ServiceName, childNode2);
break;
case 3:
ticket.EncPart = new EncryptedData();
KerberosAuthorizeMessageBuilder.BuildEncryptedData(ticket.EncPart, childNode2);
break;
}
}
}
private void CheckAlg(bool decode)
{
AlgorithmId algorithmId = null;
foreach (var alg in PkiConstants.SupportedAlgorithms)
{
if (alg.Id.Equals(Algorithm))
{
algorithmId = alg;
break;
}
}
if ((algorithmId != null) && ((decode && (Parameters != null)) && (algorithmId.Type != null)))
{
try
{
var buffer = new Asn1BerDecodeBuffer(((Asn1OpenType)Parameters).Value);
Parameters = (Asn1Type)Activator.CreateInstance(algorithmId.Type.GetType());
Parameters.Decode(buffer, true, 0);
buffer.InvokeEndElement("parameters", -1);
}
catch (Exception exception)
{
Asn1Util.WriteStackTrace(exception, Console.Error);
throw ExceptionUtility.CryptographicException(Resources.Asn1TableConstraint);
}
}
}
private static void BuildKrbApReq(KrbApReq krbApReq, Asn1Node asn1Node)
{
Asn1Node childNode1 = asn1Node.GetChildNode(0);
for (int index = 0; (long)index < childNode1.ChildNodeCount; ++index)
{
Asn1Node childNode2 = childNode1.GetChildNode(index);
switch (KerberosAuthorizeMessageBuilder.GetContextNumber(childNode2))
{
case 0:
krbApReq.ProtocolVersionNumber = (int)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data);
break;
case 1:
krbApReq.MessageType = (MessageType)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data);
break;
case 2:
krbApReq.APOptions = (APOptions)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data);
break;
case 3:
krbApReq.Ticket = new Ticket();
KerberosAuthorizeMessageBuilder.BuildTicket(krbApReq.Ticket, childNode2);
break;
case 4:
krbApReq.Authenticator = new EncryptedData();
KerberosAuthorizeMessageBuilder.BuildEncryptedData(krbApReq.Authenticator, childNode2);
break;
}
}
}
public byte[] Encode()
{
// Normalize (trim, remove punctuations and diacritics (accents), pad or crop if needed)
var normInstituicaoEnsino = normalizeText(InstituicaoEnsino, 40);
var normGrauEscolaridade = normalizeText(GrauEscolaridade, 15);
var normCurso = normalizeText(Curso, 30);
var normInstituicaoEnsinoCidade = normalizeText(InstituicaoEnsinoCidade, 20);
var normInstituicaoEnsinoUF = normalizeText(InstituicaoEnsinoUF, 2);
// Encode string
var content = new StringBuilder();
content.Append(normInstituicaoEnsino);
content.Append(normGrauEscolaridade);
content.Append(normCurso);
/*
* "As 10 (dez) posições das informações sobre órgão emissor do RG e UF referem-se
* ao tamanho máximo, devendo ser utilizadas apenas as posições necessárias
* ao seu armazenamento, da esquerda para a direita. O mesmo se aplica às 22
* (vinte e duas) posições das informações sobre município e UF da instituição de
* ensino;"
*/
content.Append(normInstituicaoEnsinoCidade.Trim());
content.Append(normInstituicaoEnsinoUF.Trim());
// Encode string as PrintableString
return(Asn1Util.DerEncodePrintableString(content.ToString()));
}
public static bool IsCertInCRL(byte[] crl, X509Certificate2 cert)
{
var asnParser = new Asn1Parser();
var strCRL = Asn1Util.BytesToString(crl);
if (Asn1Util.IsPemFormated(strCRL))
{
asnParser.LoadData(Asn1Util.PemToStream(strCRL));
}
else
{
asnParser.LoadData(new MemoryStream(crl));
}
if (7 > asnParser.RootNode.GetChildNode(0).ChildNodeCount)
{
return(false); // empty CRL
}
var revokedCertificates = asnParser.RootNode.GetChildNode(0).GetChildNode(5);
// throw revoked certs into a list so someday we eventually cache CRLs
var revoked = new List <long>();
for (var i = 0; i < revokedCertificates.ChildNodeCount; i++)
{
revoked.Add(Asn1Util.BytesToLong(revokedCertificates.GetChildNode(i)
.GetChildNode(0)
.Data
.Reverse()
.ToArray()));
}
return(revoked.Contains(Asn1Util.BytesToLong(cert.GetSerialNumber())));
}
private AppleReceipt ParseReceipt(Asn1Node data)
{
if (data == null || data.ChildNodeCount != 1)
{
throw new InvalidPKCS7Data();
}
Asn1Node set = GetSetNode(data);
var result = new AppleReceipt();
var inApps = new List <AppleInAppPurchaseReceipt> ();
for (int t = 0; t < set.ChildNodeCount; t++)
{
var node = set.GetChildNode(t);
// Each node should contain three children.
if (node.ChildNodeCount == 3)
{
var type = Asn1Util.BytesToLong(node.GetChildNode(0).Data);
var value = node.GetChildNode(2);
// See https://developer.apple.com/library/ios/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1
switch (type)
{
case 2:
result.bundleID = Encoding.UTF8.GetString(value.GetChildNode(0).Data);
break;
case 3:
result.appVersion = Encoding.UTF8.GetString(value.GetChildNode(0).Data);
break;
case 4:
result.opaque = value.Data;
break;
case 5:
result.hash = value.Data;
break;
case 12:
var dateString = Encoding.UTF8.GetString(value.GetChildNode(0).Data);
result.receiptCreationDate = DateTime.Parse(dateString).ToUniversalTime();
break;
case 17:
inApps.Add(ParseInAppReceipt(value.GetChildNode(0)));
break;
case 19:
result.originalApplicationVersion = Encoding.UTF8.GetString(value.GetChildNode(0).Data);
break;
}
}
}
result.inAppPurchaseReceipts = inApps.ToArray();
return(result);
}
public static bool IsHexStr(string inStr)
{
bool retval = false;
byte[] hex = Asn1Util.HexStrToBytes(inStr);
retval = true;
return(retval);
}
public byte[] ChangeDataFormat(DataFormat dataFormat)
{
byte[] data = null;
dataStr = richTextBox.Text;
string msg = "";
try
{
switch (currentFormat)
{
case DataFormat.BASE64:
msg = "BASE64";
data = Convert.FromBase64String(dataStr);
break;
case DataFormat.HEX:
msg = "Hex";
data = Asn1Util.HexStrToBytes(dataStr);
break;
case DataFormat.PEM:
msg = "PEM";
data = Asn1Util.PemToBytes(dataStr);
pemHeader = Asn1Util.GetPemHeader(dataStr);
break;
}
}
catch (Exception ex)
{
MessageBox.Show("Invalid " + msg + " data: " + ex.Message);
return(data);
}
switch (dataFormat)
{
case DataFormat.BASE64:
dataStr = Convert.ToBase64String(data);
dataStr = Asn1Util.FormatString(dataStr, base64LineLen, 0);
break;
case DataFormat.HEX:
dataStr = Asn1Util.ToHexString(data);
dataStr = Asn1Util.FormatString(dataStr, hexLineLen, 2);
break;
case DataFormat.PEM:
dataStr = Asn1Util.BytesToPem(data, pemHeader);
break;
}
currentFormat = dataFormat;
richTextBox.Text = dataStr;
SetButtons();
richTextBox.Focus();
return(data);
}
private void buttonOK_Click(object sender, System.EventArgs e)
{
string msg = "";
string heading = "";
try
{
switch (checker)
{
case DataChecker.Hex:
heading = "Verify Hex String";
isOK = IsHexStr(textBoxNodeContent.Text);
break;
case DataChecker.Oid:
heading = "Verify OID String";
isOK = IsOidStr(textBoxNodeContent.Text);
break;
case DataChecker.Roid:
heading = "Verify RELATIVE-OID String";
isOK = IsRoidStr(textBoxNodeContent.Text);
break;
default:
isOK = true;
break;
}
;
if (!textBoxTag.ReadOnly)
{
isOK = IsHexStr(textBoxTag.Text);
byte[] xb = Asn1Util.HexStrToBytes(textBoxTag.Text);
if (xb.Length > 0)
{
aNode.Tag = xb[0];
}
}
int unusedBits = Convert.ToInt16(textBoxUnusedBits.Text);
}
catch (Exception ex)
{
msg += ex.Message;
isOK = false;
}
if (!isOK)
{
MessageBox.Show(this, msg, heading);
}
else
{
this.Close();
}
}
private void ParseNode(Asn1Node root)
{
if ((root.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.SEQUENCE || root.ChildNodeCount != 3)
{
throw new InvalidX509Data();
}
// TBS cert
TbsCertificate = root.GetChildNode(0);
if (TbsCertificate.ChildNodeCount < 7)
{
throw new InvalidX509Data();
}
rawTBSCertificate = new byte[TbsCertificate.DataLength + 4];
Array.Copy(root.Data, 0, rawTBSCertificate, 0, rawTBSCertificate.Length);
// get the serial number
Asn1Node sn = TbsCertificate.GetChildNode(1);
if ((sn.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.INTEGER)
{
throw new InvalidX509Data();
}
SerialNumber = Asn1Util.ToHexString(sn.Data);
// get the issuer
Issuer = new DistinguishedName(TbsCertificate.GetChildNode(3));
// get the subject
Subject = new DistinguishedName(TbsCertificate.GetChildNode(5));
// get the dates
Asn1Node validTimes = TbsCertificate.GetChildNode(4);
if ((validTimes.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.SEQUENCE || validTimes.ChildNodeCount != 2)
{
throw new InvalidX509Data();
}
ValidAfter = ParseTime(validTimes.GetChildNode(0));
ValidBefore = ParseTime(validTimes.GetChildNode(1));
// is this self signed?
SelfSigned = Subject.Equals(Issuer);
// get the pub key
PubKey = new RSAKey(TbsCertificate.GetChildNode(6));
// set the tbs cert & signature data for signature verification
Signature = root.GetChildNode(2);
}
public static int GetUlongBytesCount(long value)
{
var number = -72057594037927936L;
var num2 = 8;
while ((num2 > 1) && ((value & number) == 0L))
{
number = Asn1Util.UrShift(number, 8);
num2--;
}
return(num2);
}
private static int getIntegerFromSubNode(Asn1Node nn)
{
int retval = -1;
if ((nn.Tag & Asn1Tag.TAG_MASK) == Asn1Tag.OCTET_STRING && nn.ChildNodeCount > 0)
{
Asn1Node n = nn.GetChildNode(0);
if ((n.Tag & Asn1Tag.TAG_MASK) == Asn1Tag.INTEGER)
{
retval = (int)Asn1Util.BytesToLong(n.Data);
}
}
return(retval);
}
private void OpenBinaryFile()
{
Stream stream = openFileDialog.OpenFile();
byte[] data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
currentFileName = openFileDialog.FileName;
currentFileSize = stream.Length;
stream.Close();
string hexStr = Asn1Util.ToHexString(data);
hexStr = Asn1Util.FormatString(hexStr, hexLineLen, 2);
richTextBox.Text = hexStr;
currentFormat = DataFormat.HEX;
SetButtons();
ShowFileName();
}
private static void BuildPrincipleName(PrincipalName principalName, Asn1Node asn1Node)
{
Asn1Node childNode1 = asn1Node.GetChildNode(0);
for (int index = 0; (long)index < childNode1.ChildNodeCount; ++index)
{
Asn1Node childNode2 = childNode1.GetChildNode(index);
switch (KerberosAuthorizeMessageBuilder.GetContextNumber(childNode2))
{
case 0:
principalName.NameType = (PrincipalNameType)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data);
break;
case 1:
principalName.NameString = new List <string>();
KerberosAuthorizeMessageBuilder.BuildPrincipleNameList(principalName.NameString, childNode2);
break;
}
}
}
public SignerInfo(Asn1Node n)
{
if (n.ChildNodeCount != 5)
{
throw new InvalidPKCS7Data();
}
Asn1Node tt;
// version
tt = n.GetChildNode(0);
if ((tt.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.INTEGER)
{
throw new InvalidPKCS7Data();
}
Version = tt.Data[0];
if (Version != 1 || tt.Data.Length != 1)
{
throw new UnsupportedSignerInfoVersion();
}
// get the issuer SN
tt = n.GetChildNode(1);
if ((tt.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.SEQUENCE || tt.ChildNodeCount != 2)
{
throw new InvalidPKCS7Data();
}
tt = tt.GetChildNode(1);
if ((tt.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.INTEGER)
{
throw new InvalidPKCS7Data();
}
IssuerSerialNumber = Asn1Util.ToHexString(tt.Data);
// get the data
tt = n.GetChildNode(4);
if ((tt.Tag & Asn1Tag.TAG_MASK) != Asn1Tag.OCTET_STRING)
{
throw new InvalidPKCS7Data();
}
EncryptedDigest = tt.Data;
}
public byte[] Encode()
{
// Normalize (trim, remove punctuations and diacritics (accents), pad or crop if needed)
var normCpf = normalizeNumber(Cpf, 11);
var normMatricula = normalizeNumber(Matricula, 15);
var normRG = normalizeNumber(RG, 15);
var normRGEmissor = normalizeText(RGEmissor, 8);
var normRGEmissorUF = normalizeText(RGEmissorUF, 2);
// Encode string
var content = new StringBuilder();
content.Append(DataNascimento.ToString("ddMMyyyy"));
content.Append(normCpf);
content.Append(normMatricula);
content.Append(normRG);
/**
* "Se o número do RG não estiver disponível, não se deve preencher o campo de
* órgão emissor e UF;"
*
* "As 10 (dez) posições das informações sobre órgão emissor do RG e UF referem-se
* ao tamanho máximo, devendo ser utilizadas apenas as posições necessárias
* ao seu armazenamento, da esquerda para a direita. O mesmo se aplica às 22
* (vinte e duas) posições das informações sobre município e UF da instituição de
* ensino;
*/
if (normRG != "000000000000000")
{
content.Append(normRGEmissor.Trim());
content.Append(normRGEmissorUF.Trim());
}
// Encode string as PrintableString
return(Asn1Util.DerEncodePrintableString(content.ToString()));
}
private void FormNodeContentEditor_Load(object sender, System.EventArgs e)
{
textBoxTag.Text = String.Format("{0:X2}", aNode.Tag);
textBoxNodeContent.Text = aNode.GetDataStr(pureHexMode);
string msg = "";
msg = String.Format("Tag:{0} (0x{0:X2}) : {1} \r\n"
+ "Offset:{2,4} (0x{2:X8})\r\n"
+ "Length:{3,4} (0x{3:X8})\r\n"
+ "Deepness: {4}\r\n"
,
aNode.Tag,
Asn1Util.GetTagName(aNode.Tag),
aNode.DataOffset,
aNode.DataLength,
aNode.Deepness
);
if ((aNode.Tag & Asn1Tag.TAG_MASK) == Asn1Tag.BIT_STRING)
{
msg += "Unused Bits: " + aNode.UnusedBits.ToString() + "\r\n";
}
msg += "Path: " + aNode.Path + "\r\n";
textBox1.Text = msg;
if (aNode.ChildNodeCount > 0)
{
textBoxNodeContent.Enabled = false;
buttonOK.Enabled = false;
}
else
{
textBoxNodeContent.Enabled = true;
buttonOK.Enabled = true;
}
textBoxTag.ReadOnly = !enableTagEdit;
if (textBoxNodeContent.Enabled)
{
textBoxNodeContent.Enabled = !enableTagEdit;
}
}
public static string CDPFromCertificateExts(X509ExtensionCollection exts)
{
var cdp = "";
foreach (var ext in exts)
{
if (ext.Oid.Value.Equals("2.5.29.31")) // id-ce-CRLDistributionPoints
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var asnData = new AsnEncodedData(ext.Oid, ext.RawData);
cdp += asnData.Format(false).Split('=')[1];
}
else
{
var strCDP = Asn1Util.BytesToString(ext.RawData);
strCDP = strCDP.Replace("\u0086.", "=");
cdp += strCDP.Split('=')[1];
}
}
}
return(cdp);
}
private void buttonSave_Click(object sender, System.EventArgs e)
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
if (saveFileDialog.FilterIndex == 2)
{
byte[] data = ChangeDataFormat(currentFormat);
if (data != null)
{
Stream fs = saveFileDialog.OpenFile();
fs.Write(data, 0, data.Length);
fs.Close();
}
}
else
{
string dataStr = richTextBox.Text;
byte[] data = Asn1Util.StringToBytes(dataStr);
Stream fs = saveFileDialog.OpenFile();
fs.Write(data, 0, data.Length);
fs.Close();
}
}
}
private static void BuildEncryptedData(EncryptedData encryptedData, Asn1Node asn1Node)
{
Asn1Node childNode1 = asn1Node.GetChildNode(0);
for (int index = 0; (long)index < childNode1.ChildNodeCount; ++index)
{
Asn1Node childNode2 = childNode1.GetChildNode(index);
switch (KerberosAuthorizeMessageBuilder.GetContextNumber(childNode2))
{
case 0:
encryptedData.EncryptionType = (EncryptionType)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data);
break;
case 1:
encryptedData.KeyVersionNumber = new uint?((uint)Asn1Util.BytesToLong(childNode2.GetChildNode(0).Data));
break;
case 2:
encryptedData.Cipher = new byte[childNode2.GetChildNode(0).DataLength];
Buffer.BlockCopy((Array)childNode2.GetChildNode(0).Data, 0, (Array)encryptedData.Cipher, 0, encryptedData.Cipher.Length);
break;
}
}
}
public DistinguishedName(Asn1Node n)
{
/* Name:
* SET
* SEQ (attr)
* Object Identifier
* Printable String || UTF8String
*/
if (n.MaskedTag == Asn1Tag.SEQUENCE)
{
for (int i = 0; i < n.ChildNodeCount; i++)
{
Asn1Node tt = n.GetChildNode(i);
if (tt.MaskedTag != Asn1Tag.SET || tt.ChildNodeCount != 1)
{
throw new InvalidX509Data();
}
tt = tt.GetChildNode(0);
if (tt.MaskedTag != Asn1Tag.SEQUENCE || tt.ChildNodeCount != 2)
{
throw new InvalidX509Data();
}
Asn1Node oi = tt.GetChildNode(0);
Asn1Node txt = tt.GetChildNode(1);
if (oi.MaskedTag != Asn1Tag.OBJECT_IDENTIFIER ||
!(
(txt.MaskedTag == Asn1Tag.PRINTABLE_STRING) ||
(txt.MaskedTag == Asn1Tag.UTF8_STRING) ||
(txt.MaskedTag == Asn1Tag.IA5_STRING)))
{
throw new InvalidX509Data();
}
var xoid = new LipingShare.LCLib.Asn1Processor.Oid();
string oiName = xoid.Decode(oi.Data);
var enc = new System.Text.UTF8Encoding();
switch (oiName)
{
case "2.5.4.6": // countryName
Country = enc.GetString(txt.Data);
break;
case "2.5.4.10": // organizationName
Organization = enc.GetString(txt.Data);
break;
case "2.5.4.11": // organizationalUnit
OrganizationalUnit = enc.GetString(txt.Data);
break;
case "2.5.4.3": // commonName
CommonName = enc.GetString(txt.Data);
break;
case "2.5.4.5": // serial number
SerialNumber = Asn1Util.ToHexString(txt.Data);
break;
case "2.5.4.46": // dnq
Dnq = enc.GetString(txt.Data);
break;
case "2.5.4.8": // state
State = enc.GetString(txt.Data);
break;
}
}
}
}
static public bool EditNode(IWin32Window parent, Asn1Node aNode, bool enableTagEdit, bool pureHexMode)
{
byte[] val;
byte[] data;
FormNodeContentEditor ed = new FormNodeContentEditor();
ed.aNode = aNode;
MemoryStream ms = new MemoryStream();
ed.checker = FormNodeContentEditor.DataChecker.None;
ed.enableTagEdit = enableTagEdit;
ed.pureHexMode = pureHexMode;
if (
((aNode.Tag & Asn1Tag.TAG_MASK) == Asn1Tag.BIT_STRING) &&
(aNode.ChildNodeCount < 1))
{
ed.panelUnusedBits.Visible = true;
ed.textBoxUnusedBits.Text = aNode.UnusedBits.ToString();
}
else
{
ed.panelUnusedBits.Visible = false;
}
if (pureHexMode)
{
ed.checker = DataChecker.Hex;
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
data = Asn1Util.HexStrToBytes(ed.GetValueStr());
aNode.Data = data;
}
else
{
byte[] oidVal;
switch (aNode.Tag)
{
case Asn1Tag.OBJECT_IDENTIFIER:
ed.checker = DataChecker.Oid;
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
Oid xoid = new Oid();
xoid.Encode(ms, ed.GetValueStr());
ms.Position = 0;
oidVal = new byte[ms.Length];
ms.Read(oidVal, 0, (int)ms.Length);
ms.Close();
aNode.Data = oidVal;
break;
case Asn1Tag.RELATIVE_OID:
ed.checker = DataChecker.Roid;
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
RelativeOid roid = new RelativeOid();
roid.Encode(ms, ed.GetValueStr());
ms.Position = 0;
oidVal = new byte[ms.Length];
ms.Read(oidVal, 0, (int)ms.Length);
ms.Close();
aNode.Data = oidVal;
break;
case Asn1Tag.PRINTABLE_STRING:
case Asn1Tag.IA5_STRING:
case Asn1Tag.UNIVERSAL_STRING:
case Asn1Tag.VISIBLE_STRING:
case Asn1Tag.NUMERIC_STRING:
case Asn1Tag.UTC_TIME:
case Asn1Tag.GENERAL_STRING:
case Asn1Tag.GENERALIZED_TIME:
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
val = Asn1Util.StringToBytes(ed.GetValueStr());
aNode.Data = val;
break;
case Asn1Tag.UTF8_STRING:
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
UTF8Encoding u8 = new UTF8Encoding(false);
val = u8.GetBytes(ed.GetValueStr());
aNode.Data = val;
break;
case Asn1Tag.BMPSTRING:
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
//byte[] tmpval = Asn1Util.StringToBytes(ed.GetValueStr());
byte[] tmpval = Encoding.BigEndianUnicode.GetBytes(ed.GetValueStr());
val = new byte[tmpval.Length * 2];
for (int i = 0; i < tmpval.Length; i++)
{
val[i * 2] = 0;
val[i * 2 + 1] = tmpval[i];
}
aNode.Data = val;
break;
case Asn1Tag.INTEGER:
case Asn1Tag.BIT_STRING:
ed.checker = DataChecker.Hex;
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
aNode.UnusedBits = (byte)(Convert.ToUInt16(ed.textBoxUnusedBits.Text) % 8);
data = Asn1Util.HexStrToBytes(ed.GetValueStr());
aNode.Data = data;
break;
default:
if ((aNode.Tag & Asn1Tag.TAG_MASK) == 6) // Visible string for certificate
{
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
val = Asn1Util.StringToBytes(ed.GetValueStr());
aNode.Data = val;
}
else
{
ed.checker = DataChecker.Hex;
ed.ShowDialog(parent);
if (!ed.isOK)
{
return(false);
}
data = Asn1Util.HexStrToBytes(ed.GetValueStr());
aNode.Data = data;
}
break;
}
;
}
return(true);
}
