示例#1
0
        /// <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;
        }
示例#2
0
        /// <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;
        }
示例#3
0
        /// <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;
        }
示例#4
0
		/// <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 static bool IsOidStr(string inStr)
 {
     bool retval = false;
     MemoryStream ms = new MemoryStream();
     Oid xoid = new Oid();
     xoid.Encode(ms, inStr);
     ms.Close();
     retval = true;
     return retval;
 }
 public static 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());
                 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;
 }
        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;
                    }
                }
            }
        }