public string SignMD5WithRSA(string strSource, string strPrivateKeyPath)
{
XmlDocument document = new XmlDocument();
document.Load(strPrivateKeyPath);
XmlNodeList elementsByTagName = document.GetElementsByTagName("RSAKeyValue");
elementsByTagName[0].SelectSingleNode("Modulus").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("Modulus").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("Exponent").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("Exponent").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("P").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("P").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("Q").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("Q").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("DP").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("DP").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("DQ").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("DQ").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("InverseQ").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("InverseQ").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("D").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("D").InnerText.Trim()));
string innerXml = document.InnerXml;
RSACryption cryption = new RSACryption();
string strHashData = "";
cryption.GetHash(strSource, ref strHashData);
string str3 = "";
cryption.SignatureFormatter(innerXml, strHashData, ref str3);
return(str3);
}
public bool UnsignMD5WithRSA(string strSignData, string strSource, string strPublicKeyPath)
{
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(strPublicKeyPath);
XmlNodeList elementsByTagName = xmlDocument.GetElementsByTagName("RSAKeyValue");
elementsByTagName.Item(0).SelectSingleNode("Modulus").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName.Item(0).SelectSingleNode("Modulus").InnerText.Trim()));
elementsByTagName.Item(0).SelectSingleNode("Exponent").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName.Item(0).SelectSingleNode("Exponent").InnerText.Trim()));
string innerXml = xmlDocument.InnerXml;
RSACryption rSACryption = new RSACryption();
string p_strHashbyteDeformatter = "";
rSACryption.GetHash(strSource, ref p_strHashbyteDeformatter);
return(rSACryption.SignatureDeformatter(innerXml, p_strHashbyteDeformatter, strSignData));
}
public bool UnsignMD5WithRSA(string strSignData, string strSource, string strPublicKeyPath)
{
XmlDocument document = new XmlDocument();
document.Load(strPublicKeyPath);
XmlNodeList elementsByTagName = document.GetElementsByTagName("RSAKeyValue");
elementsByTagName[0].SelectSingleNode("Modulus").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("Modulus").InnerText.Trim()));
elementsByTagName[0].SelectSingleNode("Exponent").InnerText = Convert.ToBase64String(this.GetBytes(elementsByTagName[0].SelectSingleNode("Exponent").InnerText.Trim()));
string innerXml = document.InnerXml;
RSACryption cryption = new RSACryption();
string strHashData = "";
cryption.GetHash(strSource, ref strHashData);
if (!cryption.SignatureDeformatter(innerXml, strHashData, strSignData))
{
return(false);
}
return(true);
}