/// <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;
}
