解析的结构和代码:
X509CertificateSubstring #region 文件描述// 描述：数字签名的Substring结构类// 作者：鲍昊晟// 时间：2012-7-2#endregion#region 类修改记录 : 每次修改一组描述// 修改描述：// 修 改 人：// 修改时间：#endregionusing System;using System.Security.Cryptography.X509Certificates;namespace DTLEntAdministration.Common{ /// /// 数字签名的Substring结构 /// public class X509CertificateSubstring { //CN=Shenzhen DriveTheLife Software Technology Co.Ltd, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Shenzhen DriveTheLife Software Technology Co.Ltd, L=Shenzhen, S=Guangdong, C=CN #region 私有字段 private string _CN = string.Empty; private string _OU = string.Empty; private string _O = string.Empty; private string _L = string.Empty; private string _S = string.Empty; private string _C = string.Empty; #endregion #region 公共只读属性 public string CN { get { return _CN; } } public string OU { get { return _OU; } } public string O { get { return _O; } } public string L { get { return _L; } } public string S { get { return _S; } } public string C { get { return _C; } } #endregion public X509CertificateSubstring() { } /// /// 将Substring字符串解析成结构体 /// /// Substring字符串 /// X509CertificateSubstring public static X509CertificateSubstring Parse(string substring) { X509CertificateSubstring xcs = new X509CertificateSubstring(); string[] items = substring.Split(','); foreach (var item in items) { if (item.Trim().StartsWith("CN=")) { xcs._CN = item.Trim().Substring(3); continue; } if (item.Trim().StartsWith("OU=")) { xcs._OU = item.Trim().Substring(3); continue; } if (item.Trim().StartsWith("O=")) { xcs._O = item.Trim().Substring(2); continue; } if (item.Trim().StartsWith("L=")) { xcs._L = item.Trim().Substring(2); continue; } if (item.Trim().StartsWith("S=")) { xcs._S = item.Trim().Substring(2); continue; } if (item.Trim().StartsWith("C=")) { xcs._C = item.Trim().Substring(2); continue; } } return xcs; } /// /// 将Substring字符串解析成结构体,并返回数字签名存在与否 /// /// 读取数字签名的文件的物理路径 /// X509CertificateSubstring /// bool public static bool TryParse(string pyFile, out X509CertificateSubstring xcs) { bool result = true; xcs = new X509CertificateSubstring(); string SubstringCN = string.Empty; X509Certificate cert = null; try { cert = X509Certificate2.CreateFromSignedFile(pyFile); } catch (System.Security.Cryptography.CryptographicException ce) { //没有数字签名,忽略此异常. result = false; } catch (Exception ex) { result = false; throw ex; } if (cert != null) { xcs = X509CertificateSubstring.Parse(cert.Subject); } return result; } }}
调用的示例代码:
获取数字签名的名称 ////// 获取数字签名的名称 /// /// 读取数字签名的文件的物理路径 ///数字签名,如果没有数字签名则返回空字符串 public static string GetX509CertificateSubstringCN(string pyFile) { string SubstringCN = string.Empty; X509CertificateSubstring xcs; if (X509CertificateSubstring.TryParse(pyFile, out xcs)) { SubstringCN = xcs.CN; } return SubstringCN; }