/// <summary>
/// 验证签名
/// </summary>
/// <param name="strSignData">已签名的数据</param>
/// <param name="strSource">原数据</param>
/// <param name="strPublicKeyPath">公钥存放路径</param>
/// <returns>true/false</returns>
public bool UnsignMD5WithRSA(string strSignData, string strSource, string strPublicKeyPath)
{
XmlDocument doc = new XmlDocument();
// 装入指定的XML文档
doc.Load(strPublicKeyPath);
XmlNodeList node = doc.GetElementsByTagName("RSAKeyValue");
//参数值进行base64编码
XmlNode selectSingleNode = node[0].SelectSingleNode("Modulus");
if (selectSingleNode != null)
selectSingleNode.InnerText = Convert.ToBase64String(GetBytes(selectSingleNode.InnerText.Trim()));
XmlNode singleNode = node[0].SelectSingleNode("Exponent");
if (singleNode != null)
singleNode.InnerText = Convert.ToBase64String(GetBytes(singleNode.InnerText.Trim()));
string strKeyPublic = doc.InnerXml;
bool bReturn = false;
RSACryption RC = new RSACryption();
string m_strHashbyteDeformatter = "";
RC.GetHash(strSource, ref m_strHashbyteDeformatter);
if (RC.SignatureDeformatter(strKeyPublic, m_strHashbyteDeformatter, strSignData) == false)
{
bReturn = false;
}
else
{
bReturn = true;
}
return bReturn;
}
/// <summary>
/// 签名
/// </summary>
/// <param name="strSource">需签名的字符串</param>
/// <param name="strPrivateKeyPath">私钥存放路径</param>
/// <returns>签名结果</returns>
public string SignMD5WithRSA(string strSource, string strPrivateKeyPath)
{
XmlDocument doc = new XmlDocument();
// 装入指定的XML文档
doc.Load(strPrivateKeyPath);
XmlNodeList node = doc.GetElementsByTagName("RSAKeyValue");
//参数值进行base64编码
XmlNode selectSingleNode = node[0].SelectSingleNode("Modulus");
if (selectSingleNode != null)
selectSingleNode.InnerText = Convert.ToBase64String(GetBytes(selectSingleNode.InnerText.Trim()));
XmlNode singleNode = node[0].SelectSingleNode("Exponent");
if (singleNode != null)
singleNode.InnerText = Convert.ToBase64String(GetBytes(singleNode.InnerText.Trim()));
XmlNode xmlNode = node[0].SelectSingleNode("P");
if (xmlNode != null)
xmlNode.InnerText = Convert.ToBase64String(GetBytes(xmlNode.InnerText.Trim()));
XmlNode selectSingleNode1 = node[0].SelectSingleNode("Q");
if (selectSingleNode1 != null)
selectSingleNode1.InnerText = Convert.ToBase64String(GetBytes(selectSingleNode1.InnerText.Trim()));
XmlNode singleNode1 = node[0].SelectSingleNode("DP");
if (singleNode1 != null)
singleNode1.InnerText = Convert.ToBase64String(GetBytes(singleNode1.InnerText.Trim()));
XmlNode xmlNode1 = node[0].SelectSingleNode("DQ");
if (xmlNode1 != null)
xmlNode1.InnerText = Convert.ToBase64String(GetBytes(xmlNode1.InnerText.Trim()));
XmlNode node1 = node[0].SelectSingleNode("InverseQ");
if (node1 != null)
node1.InnerText = Convert.ToBase64String(GetBytes(node1.InnerText.Trim()));
XmlNode selectSingleNode2 = node[0].SelectSingleNode("D");
if (selectSingleNode2 != null)
selectSingleNode2.InnerText = Convert.ToBase64String(GetBytes(selectSingleNode2.InnerText.Trim()));
string strKeyPrivate = doc.InnerXml;
RSACryption rSACryption = new RSACryption();
String HashData = "";
rSACryption.GetHash(strSource, ref HashData);
//签名结果
string strEncryptedSignatureData = "";
rSACryption.SignatureFormatter(strKeyPrivate, HashData, ref strEncryptedSignatureData);
return strEncryptedSignatureData;
}
