public static Asn1Node GetDecendantNodeByOid(string oid, Asn1Node startNode)
{
Asn1Node asn1Node = (Asn1Node)null;
Oid oid1 = new Oid();
for (int index = 0; (long)index < startNode.ChildNodeCount; ++index)
{
Asn1Node childNode = startNode.GetChildNode(index);
if (((int)childNode.tag & 31) == 6 && oid == oid1.Decode(childNode.Data))
{
asn1Node = childNode;
break;
}
asn1Node = Asn1Node.GetDecendantNodeByOid(oid, childNode);
if (asn1Node != null)
{
break;
}
}
return(asn1Node);
}
/// <summary>
/// Get node label string.
/// </summary>
/// <param name="mask">
/// <code>
/// SHOW_OFFSET
/// SHOW_DATA
/// USE_HEX_OFFSET
/// SHOW_TAG_NUMBER
/// SHOW_PATH</code>
/// </param>
/// <returns>string</returns>
public string GetLabel(uint mask)
{
string nodeStr = "";
string dataStr = "";
string offsetStr = "";
if ((mask & TagTextMask.USE_HEX_OFFSET) != 0)
{
if ((mask & TagTextMask.SHOW_TAG_NUMBER) != 0)
offsetStr = String.Format("(0x{0:X2},0x{1:X6},0x{2:X4})", tag, dataOffset, dataLength);
else
offsetStr = String.Format("(0x{0:X6},0x{1:X4})", dataOffset, dataLength);
}
else
{
if ((mask & TagTextMask.SHOW_TAG_NUMBER) != 0)
offsetStr = String.Format("({0},{1},{2})", tag, dataOffset, dataLength);
else
offsetStr = String.Format("({0},{1})", dataOffset, dataLength);
}
string oid, oidName;
switch (tag)
{
case Asn1Tag.BIT_STRING:
if ((mask & TagTextMask.SHOW_OFFSET) != 0)
{
nodeStr += offsetStr;
}
nodeStr += " " + TagName + " UnusedBits: " + unusedBits.ToString();
if ((mask & TagTextMask.SHOW_DATA) != 0)
{
dataStr = Asn1Util.ToHexString(data);
nodeStr += ((dataStr.Length>0) ? " : '" + dataStr + "'" : "");
}
break;
case Asn1Tag.OBJECT_IDENTIFIER:
Oid xoid = new Oid();
oid = xoid.Decode(data);
oidName = xoid.GetOidName(oid);
if ((mask & TagTextMask.SHOW_OFFSET) != 0)
{
nodeStr += offsetStr;
}
nodeStr += " " + TagName;
nodeStr += " : " + oidName;
if ((mask & TagTextMask.SHOW_DATA) != 0)
{
nodeStr += ((oid.Length>0) ? " : '" + oid + "'" : "");
}
break;
case Asn1Tag.RELATIVE_OID:
RelativeOid roid = new RelativeOid();
oid = roid.Decode(data);
oidName = "";
if ((mask & TagTextMask.SHOW_OFFSET) != 0)
{
nodeStr += offsetStr;
}
nodeStr += " " + TagName;
nodeStr += " : " + oidName;
if ((mask & TagTextMask.SHOW_DATA) != 0)
{
nodeStr += ((oid.Length>0) ? " : '" + oid + "'" : "");
}
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.UTF8_STRING:
case Asn1Tag.BMPSTRING:
case Asn1Tag.GENERAL_STRING:
case Asn1Tag.GENERALIZED_TIME:
if ((mask & TagTextMask.SHOW_OFFSET) != 0)
{
nodeStr += offsetStr;
}
nodeStr += " " + TagName;
if ((mask & TagTextMask.SHOW_DATA) != 0)
{
if ( tag == Asn1Tag.UTF8_STRING )
{
UTF8Encoding unicode = new UTF8Encoding();
dataStr = unicode.GetString(data);
}
else
{
dataStr = Asn1Util.BytesToString(data);
}
nodeStr += ((dataStr.Length>0) ? " : '" + dataStr + "'" : "");
}
break;
case Asn1Tag.INTEGER:
if ((mask & TagTextMask.SHOW_OFFSET) != 0)
{
nodeStr += offsetStr;
}
nodeStr += " " + TagName;
if ((mask & TagTextMask.SHOW_DATA) != 0)
{
if (data != null && dataLength < 8)
{
dataStr = Asn1Util.BytesToLong(data).ToString();
}
else
{
dataStr = Asn1Util.ToHexString(data);
}
nodeStr += ((dataStr.Length>0) ? " : '" + dataStr + "'" : "");
}
break;
default:
if ((mask & TagTextMask.SHOW_OFFSET) != 0)
{
nodeStr += offsetStr;
}
nodeStr += " " + TagName;
if ((mask & TagTextMask.SHOW_DATA) != 0)
{
if ((tag & Asn1Tag.TAG_MASK) == 6) // Visible string for certificate
{
dataStr = Asn1Util.BytesToString(data);
}
else
{
dataStr = Asn1Util.ToHexString(data);
}
nodeStr += ((dataStr.Length>0) ? " : '" + dataStr + "'" : "");
}
break;
};
if ((mask & TagTextMask.SHOW_PATH) != 0)
{
nodeStr = "(" + path + ") " + nodeStr;
}
return nodeStr;
}
/// <summary>
/// Retrieve the node description.
/// </summary>
/// <param name="pureHexMode">true:Return hex string only;
/// false:Convert to more readable string depending on the node tag.</param>
/// <returns>string</returns>
public string GetDataStr(bool pureHexMode)
{
const int lineLen = 32;
string dataStr = "";
if (pureHexMode)
{
dataStr = Asn1Util.FormatString(Asn1Util.ToHexString(data), lineLen, 2);
}
else
{
switch (tag)
{
case Asn1Tag.BIT_STRING:
dataStr = Asn1Util.FormatString(Asn1Util.ToHexString(data), lineLen, 2);
break;
case Asn1Tag.OBJECT_IDENTIFIER:
Oid xoid = new Oid();
dataStr = xoid.Decode(new MemoryStream(data));
break;
case Asn1Tag.RELATIVE_OID:
RelativeOid roid = new RelativeOid();
dataStr = roid.Decode(new MemoryStream(data));
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.BMPSTRING:
case Asn1Tag.GENERAL_STRING:
case Asn1Tag.GENERALIZED_TIME:
dataStr = Asn1Util.BytesToString(data);
break;
case Asn1Tag.UTF8_STRING:
UTF8Encoding utf8 = new UTF8Encoding();
dataStr = utf8.GetString(data);
break;
case Asn1Tag.INTEGER:
dataStr = Asn1Util.FormatString(Asn1Util.ToHexString(data), lineLen, 2);
break;
default:
if ((tag & Asn1Tag.TAG_MASK) == 6) // Visible string for certificate
{
dataStr = Asn1Util.BytesToString(data);
}
else
{
dataStr = Asn1Util.FormatString(Asn1Util.ToHexString(data), lineLen, 2);
}
break;
};
}
return dataStr;
}
/// <summary>
/// Get the node and all the descendents text description.
/// </summary>
/// <param name="startNode">starting node.</param>
/// <param name="lineLen">line length.</param>
/// <returns></returns>
public string GetText(Asn1Node startNode, int lineLen)
{
string nodeStr = "";
string baseLine = "";
string dataStr = "";
const string lStr = " | | | ";
string oid, oidName;
switch (tag)
{
case Asn1Tag.BIT_STRING:
baseLine =
String.Format("{0,6}|{1,6}|{2,7}|{3} {4} UnusedBits:{5} : ",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName,
unusedBits
);
dataStr = Asn1Util.ToHexString(data);
if (baseLine.Length + dataStr.Length < lineLen)
{
if (dataStr.Length<1)
{
nodeStr += baseLine + "\r\n";
}
else
{
nodeStr += baseLine + "'" + dataStr + "'\r\n";
}
}
else
{
nodeStr += baseLine + FormatLineHexString(
lStr,
GetIndentStr(startNode).Length,
lineLen,
dataStr + "\r\n"
);
}
break;
case Asn1Tag.OBJECT_IDENTIFIER:
Oid xoid = new Oid();
oid = xoid.Decode(new MemoryStream(data));
oidName = xoid.GetOidName(oid);
nodeStr += String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : {5} [{6}]\r\n",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName,
oidName,
oid
);
break;
case Asn1Tag.RELATIVE_OID:
RelativeOid xiod = new RelativeOid();
oid = xiod.Decode(new MemoryStream(data));
oidName = "";
nodeStr += String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : {5} [{6}]\r\n",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName,
oidName,
oid
);
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.UTF8_STRING:
case Asn1Tag.BMPSTRING:
case Asn1Tag.GENERAL_STRING:
case Asn1Tag.GENERALIZED_TIME:
baseLine =
String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName
);
if ( tag == Asn1Tag.UTF8_STRING )
{
UTF8Encoding unicode = new UTF8Encoding();
dataStr = unicode.GetString(data);
}
else
{
dataStr = Asn1Util.BytesToString(data);
}
if (baseLine.Length + dataStr.Length < lineLen)
{
nodeStr += baseLine + "'" + dataStr + "'\r\n";
}
else
{
nodeStr += baseLine + FormatLineString(
lStr,
GetIndentStr(startNode).Length,
lineLen,
dataStr) + "\r\n";
}
break;
case Asn1Tag.INTEGER:
if (data != null && dataLength < 8)
{
nodeStr += String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : {5}\r\n",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName,
Asn1Util.BytesToLong(data).ToString()
);
}
else
{
baseLine =
String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName
);
nodeStr += GetHexPrintingStr(startNode, baseLine, lStr, lineLen);
}
break;
default:
if ((tag & Asn1Tag.TAG_MASK) == 6) // Visible string for certificate
{
baseLine =
String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName
);
dataStr = Asn1Util.BytesToString(data);
if (baseLine.Length + dataStr.Length < lineLen)
{
nodeStr += baseLine + "'" + dataStr + "'\r\n";
}
else
{
nodeStr += baseLine + FormatLineString(
lStr,
GetIndentStr(startNode).Length,
lineLen,
dataStr) + "\r\n";
}
}
else
{
baseLine =
String.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ",
dataOffset,
dataLength,
lengthFieldBytes,
GetIndentStr(startNode),
TagName
);
nodeStr += GetHexPrintingStr(startNode, baseLine, lStr, lineLen);
}
break;
};
if (childNodeList.Count >= 0)
{
nodeStr += GetListStr(startNode, lineLen);
}
return nodeStr;
}
/// <summary>
/// Get node by OID.
/// </summary>
/// <param name="oid">OID.</param>
/// <param name="startNode">Starting node.</param>
/// <returns>Null or Asn1Node.</returns>
static public Asn1Node GetDecendantNodeByOid(string oid, Asn1Node startNode)
{
Asn1Node retval = null;
Oid xoid = new Oid();
for (int i = 0; i<startNode.ChildNodeCount; i++)
{
Asn1Node childNode = startNode.GetChildNode(i);
int tmpTag = childNode.tag & Asn1Tag.TAG_MASK;
if (tmpTag == Asn1Tag.OBJECT_IDENTIFIER)
{
if (oid == xoid.Decode(childNode.Data))
{
retval = childNode;
break;
}
}
retval = GetDecendantNodeByOid(oid, childNode);
if (retval != null) break;
}
return retval;
}
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;
}
}
}
}
public string GetLabel(uint mask)
{
string str1 = "";
string str2 = ((int)mask & 4) == 0 ? (((int)mask & 8) == 0 ? string.Format("({0},{1})", (object)this.dataOffset, (object)this.dataLength) : string.Format("({0},{1},{2})", (object)this.tag, (object)this.dataOffset, (object)this.dataLength)) : (((int)mask & 8) == 0 ? string.Format("(0x{0:X6},0x{1:X4})", (object)this.dataOffset, (object)this.dataLength) : string.Format("(0x{0:X2},0x{1:X6},0x{2:X4})", (object)this.tag, (object)this.dataOffset, (object)this.dataLength));
string str3;
switch (this.tag)
{
case 2:
if (((int)mask & 1) != 0)
{
str1 += str2;
}
str3 = str1 + " " + this.TagName;
if (((int)mask & 2) != 0)
{
string str4 = this.data == null || this.dataLength >= 8L ? Asn1Util.ToHexString(this.data) : Asn1Util.BytesToLong(this.data).ToString();
str3 += str4.Length > 0 ? " : '" + str4 + "'" : "";
break;
}
break;
case 3:
if (((int)mask & 1) != 0)
{
str1 += str2;
}
str3 = str1 + " " + this.TagName + " UnusedBits: " + this.unusedBits.ToString();
if (((int)mask & 2) != 0)
{
string hexString = Asn1Util.ToHexString(this.data);
str3 += hexString.Length > 0 ? " : '" + hexString + "'" : "";
break;
}
break;
case 6:
Oid oid = new Oid();
string inOidStr = oid.Decode(this.data);
string oidName = oid.GetOidName(inOidStr);
if (((int)mask & 1) != 0)
{
str1 += str2;
}
str3 = str1 + " " + this.TagName + " : " + oidName;
if (((int)mask & 2) != 0)
{
str3 += inOidStr.Length > 0 ? " : '" + inOidStr + "'" : "";
break;
}
break;
case 12:
case 18:
case 19:
case 22:
case 23:
case 24:
case 26:
case 27:
case 28:
case 30:
if (((int)mask & 1) != 0)
{
str1 += str2;
}
str3 = str1 + " " + this.TagName;
if (((int)mask & 2) != 0)
{
string str4 = this.tag != (byte)12 ? Asn1Util.BytesToString(this.data) : new UTF8Encoding().GetString(this.data);
str3 += str4.Length > 0 ? " : '" + str4 + "'" : "";
break;
}
break;
case 13:
string str5 = new RelativeOid().Decode(this.data);
string str6 = "";
if (((int)mask & 1) != 0)
{
str1 += str2;
}
str3 = str1 + " " + this.TagName + " : " + str6;
if (((int)mask & 2) != 0)
{
str3 += str5.Length > 0 ? " : '" + str5 + "'" : "";
break;
}
break;
default:
if (((int)mask & 1) != 0)
{
str1 += str2;
}
str3 = str1 + " " + this.TagName;
if (((int)mask & 2) != 0)
{
string str4 = ((int)this.tag & 31) == 6 || Asn1Util.IsAsciiString(this.Data) ? Asn1Util.BytesToString(this.data) : Asn1Util.ToHexString(this.data);
str3 += str4.Length > 0 ? " : '" + str4 + "'" : "";
break;
}
break;
}
if (((int)mask & 16) != 0)
{
str3 = "(" + this.path + ") " + str3;
}
return(str3);
}
public string GetText(Asn1Node startNode, int lineLen)
{
string str1 = "";
string str2;
switch (this.tag)
{
case 2:
if (this.data != null && this.dataLength < 8L)
{
str2 = str1 + string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : {5}\r\n", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName, (object)Asn1Util.BytesToLong(this.data).ToString());
break;
}
string baseLine1 = string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName);
str2 = str1 + this.GetHexPrintingStr(startNode, baseLine1, " | | | ", lineLen);
break;
case 3:
string str3 = string.Format("{0,6}|{1,6}|{2,7}|{3} {4} UnusedBits:{5} : ", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName, (object)this.unusedBits);
string hexString = Asn1Util.ToHexString(this.data);
if (str3.Length + hexString.Length < lineLen)
{
if (hexString.Length < 1)
{
str2 = str1 + str3 + "\r\n";
break;
}
str2 = str1 + str3 + "'" + hexString + "'\r\n";
break;
}
str2 = str1 + str3 + this.FormatLineHexString(" | | | ", this.GetIndentStr(startNode).Length, lineLen, hexString + "\r\n");
break;
case 6:
Oid oid = new Oid();
string inOidStr = oid.Decode((Stream) new MemoryStream(this.data));
string oidName = oid.GetOidName(inOidStr);
str2 = str1 + string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : {5} [{6}]\r\n", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName, (object)oidName, (object)inOidStr);
break;
case 12:
case 18:
case 19:
case 22:
case 23:
case 24:
case 26:
case 27:
case 28:
case 30:
string str4 = string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName);
string msg1 = this.tag != (byte)12 ? Asn1Util.BytesToString(this.data) : new UTF8Encoding().GetString(this.data);
if (str4.Length + msg1.Length < lineLen)
{
str2 = str1 + str4 + "'" + msg1 + "'\r\n";
break;
}
str2 = str1 + str4 + this.FormatLineString(" | | | ", this.GetIndentStr(startNode).Length, lineLen, msg1) + "\r\n";
break;
case 13:
string str5 = new RelativeOid().Decode((Stream) new MemoryStream(this.data));
string str6 = "";
str2 = str1 + string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : {5} [{6}]\r\n", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName, (object)str6, (object)str5);
break;
default:
if (((int)this.tag & 31) == 6 || Asn1Util.IsAsciiString(this.Data))
{
string str7 = string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName);
string msg2 = Asn1Util.BytesToString(this.data);
if (str7.Length + msg2.Length < lineLen)
{
str2 = str1 + str7 + "'" + msg2 + "'\r\n";
break;
}
str2 = str1 + str7 + this.FormatLineString(" | | | ", this.GetIndentStr(startNode).Length, lineLen, msg2) + "\r\n";
break;
}
string baseLine2 = string.Format("{0,6}|{1,6}|{2,7}|{3} {4} : ", (object)this.dataOffset, (object)this.dataLength, (object)this.lengthFieldBytes, (object)this.GetIndentStr(startNode), (object)this.TagName);
str2 = str1 + this.GetHexPrintingStr(startNode, baseLine2, " | | | ", lineLen);
break;
}
if (this.childNodeList.Count >= 0)
{
str2 += this.GetListStr(startNode, lineLen);
}
return(str2);
}
