Windows Phone Digital Sign XML
本文关键字:XML Sign Digital Phone Windows | 更新日期: 2023-09-27 17:56:53
是否可以在Windows Phone 8 Silverlight项目中对xml进行签名?我用谷歌搜索了很多,但一无所获。 移动设备不存在SignedXML
对象。对于我与之合作的银行来说,这是强制性的。
我已经解决了。实际上,使用第三方工具(BouncyCastle)是可能的。下面是完整的代码和文档。
没有文档的完整源代码如下:
using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.OpenSsl;
namespace hsynlms.Classes
{
public class Cryptography
{
public string GetSHA1withRSAKey(string pemTxtFilePath, string sData)
{
try
{
if (!File.Exists(pemTxtFilePath))
{
throw new Exception("PEM (txt) file not found.");
}
using (var reader = File.OpenText(pemTxtFilePath))
{
var pemReader = new PemReader(reader);
var bouncyRsaParameters = (RsaPrivateCrtKeyParameters)pemReader.ReadObject();
var rsaParameters = new RSAParameters();
rsaParameters.Modulus = bouncyRsaParameters.Modulus.ToByteArrayUnsigned();
rsaParameters.P = bouncyRsaParameters.P.ToByteArrayUnsigned();
rsaParameters.Q = bouncyRsaParameters.Q.ToByteArrayUnsigned();
rsaParameters.DP = bouncyRsaParameters.DP.ToByteArrayUnsigned();
rsaParameters.DQ = bouncyRsaParameters.DQ.ToByteArrayUnsigned();
rsaParameters.InverseQ = bouncyRsaParameters.QInv.ToByteArrayUnsigned();
rsaParameters.D = bouncyRsaParameters.Exponent.ToByteArrayUnsigned();
rsaParameters.Exponent = bouncyRsaParameters.PublicExponent.ToByteArrayUnsigned();
var privateKey = new RSACryptoServiceProvider();
privateKey.ImportParameters(rsaParameters);
var sha = new SHA1Managed();
UTF8Encoding str = new UTF8Encoding(true);
byte[] signedData = privateKey.SignData(str.GetBytes(sData), sha);
var result = Convert.ToBase64String(signedData);
return result;
}
}
catch (Exception)
{
throw new Exception("Signing SHA1 with RSA failed.");
}
}
}
}