[英]Sign Xml with digital certificate in format of PKCS#7 in DER (ITU-T Rec. X.690)
[英]Enveloping, signing and creating PKCS#7 DER message with .pfx certificate
我的任务是创建以PKCS#7 version 1.5 (RFC 2315) DER (ITU-T Recommendation X.690)
格式进行数字签名的数据 - 基本上是带有X.509 signature
ANSI.1
?
消息必须满足以下条件:
signedData
类型 我的代码如下
static void Main(string[] args)
{
string pfx = @"C:\Users\marek\Downloads\mfcr\marek-pfx.pfx";
string xml = @"C:\Users\marek\Downloads\mfcr\souhr20141.xml";
X509Certificate2 cert = new X509Certificate2(pfx, "thepass");
byte[] publicBytes = cert.RawData;
//var f = new FileStream(xml, System.IO.FileMode.Open);
var fileContent = System.IO.File.ReadAllBytes(xml);
char[] cArray = System.Text.Encoding.ASCII.GetString(fileContent).ToCharArray();
RSACryptoServiceProvider rsa = (RSACryptoServiceProvider)cert.PrivateKey;
byte[] signedData = rsa.SignData(new System.Text.UTF8Encoding().GetBytes(cArray), new SHA1CryptoServiceProvider());
RSACryptoServiceProvider rsa2 = (RSACryptoServiceProvider)new X509Certificate2(publicBytes).PublicKey.Key;
var dataGenerator = new CmsEnvelopedDataStreamGenerator();
bool verified = rsa2.VerifyData(new System.Text.UTF8Encoding().GetBytes(cArray), new SHA1CryptoServiceProvider(), signedData);
File.WriteAllBytes(@"C:\Users\marek\Downloads\mfcr\Foo.p7b", signedData);
}
我发送Foo.p7b
的WebService
响应:文件不是PKCS7(DER)的预期格式。
这段代码用于发送HttpWebRequest
:
static void Main(string[] args)
{
try
{
string fileName = (@"C:\Users\marek\Downloads\mfcr\Foo.p7b");
WebResponse rsp = null;
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create("https://adisepo.mfcr.cz/adistc/epo_podani");
request.ClientCertificates.Add(new X509Certificate(pfx,"thepass"));
request.Method = "POST";
request.ContentType = "application/pkcs7-signature";
request.Credentials = CredentialCache.DefaultNetworkCredentials;
var encoder = new UTF8Encoding();
var reqStream = request.GetRequestStream();
StreamWriter writer = new StreamWriter(request.GetRequestStream());
// Write the XML text into the stream
writer.WriteLine(GetTextFromXMLFile(fileName));
writer.Close();
reqStream.Close();
rsp = request.GetResponse();
StreamReader sr = new StreamReader(rsp.GetResponseStream());
string result = sr.ReadToEnd();
sr.Close();
Console.Write("\n příkaz odeslán \n");
Console.Write(result);
Console.ReadLine();
Console.Read();
}
catch (Exception ex)
{ Console.WriteLine(ex.ToString());
Console.ReadLine();
}
}
private static string GetTextFromXMLFile(string file)
{
StreamReader reader = new StreamReader(file);
string ret = reader.ReadToEnd();
reader.Close();
return ret;
}
}
我在这个问题上苦苦挣扎了将近5天 - 我肯定不是数字签名或证书的专家。
从我到目前为止学到的东西 - 创建我应该做的信息:
private key
对xml
进行签名 public key
blob的信封 但收件人如何检查我是否是真正的发件人? 我应该用我的证书添加HttpWebRequest
参数吗? 或者第2步 - 包含信息就足以让他检查一下?
谢谢大家的时间和回复。
您的代码尝试以数字方式签署XML的字节表示,但在签名之前签署XML需要更多处理。 例如,XML需要规范化(或者签名消息可以注入无符号数据),并且封装签名有一种特殊格式。 我不知道Danovy Portal使用的实际方法是什么,但如果它使用标准方式,您可以按照下面的链接并签署您的数据。
仅供参考(不要认为你真的需要阅读本文) W3C Xml签名规范
编辑:发送pkcs#7消息更改代码。 生成时
ContentInfo contentInfo = new ContentInfo(new System.Text.UTF8Encoding().GetBytes(cArray));
SignedCms cms = new SignedCms (contentInfo);
CmsSigner signer = new CmsSigner (cert);
cms.ComputeSignature (signer);
byte[] pkcs7=cms.Encode ();
File.WriteAllBytes(@"../../Foo.p7b", pkcs7);
发送时:
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create("https://adisepo.mfcr.cz/adistc/epo_podani");
//we don't need to add certificate to POST
// request.ClientCertificates.Add(new X509Certificate(pfx,"test"));
request.Method = "POST";
request.ContentType = "application/pkcs7-signature";
request.Credentials = CredentialCache.DefaultNetworkCredentials;
var encoder = new UTF8Encoding();
using (var reqStream = request.GetRequestStream())
{
// Write pkcs#7 into the stream
byte[] pkcs = File.ReadAllBytes(@"../../Foo.p7b");
reqStream.Write(pkcs, 0, pkcs.Length);
}
rsp = request.GetResponse();
看看BouncyCastle - 它拥有您所需要的一切:
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.