public void TestGenCSR()
{
var pem = File.ReadAllText("openssl-rsagen-privatekey.txt");
var rsa = CryptoKey.FromPrivateKey(pem, null);
//pem = File.ReadAllText("openssl-rsagen-publickey.txt");
//rsa = CryptoKey.FromPublicKey(pem, null);
var nam = new X509Name();
nam.Common = "FOOBAR";
nam.Country = "US";
var csr = new X509Request();
csr.PublicKey = rsa;
csr.Subject = nam;
csr.Sign(rsa, MessageDigest.SHA256);
File.WriteAllText("openssl-requ-csr.txt", csr.PEM);
using (var bioOut = BIO.MemoryBuffer())
{
csr.Write_DER(bioOut);
var arr = bioOut.ReadBytes((int)bioOut.BytesPending);
File.WriteAllBytes("openssl-requ-csr.der", arr.Array);
}
//using (var bioIn = BIO.MemoryBuffer())
//{
// var pem2 = File.ReadAllText("openssl-requ-csr.txt");
// bioIn.Write(pem2);
// var csr = new X509Request()
// var x509 = new X509Certificate(bioIn);
//}
}
public void ExportAsDer(Stream s)
{
var xr = new X509Request(Pem);
using (var bio = BIO.MemoryBuffer())
{
xr.Write_DER(bio);
var arr = bio.ReadBytes((int)bio.BytesPending);
s.Write(arr.Array, arr.Offset, arr.Count);
}
}
public static void ConvertPemToDer(Stream source, Stream target)
{
using (var ts = new StreamReader(source))
{
using (var xr = new X509Request(ts.ReadToEnd()))
{
using (var bio = BIO.MemoryBuffer())
{
xr.Write_DER(bio);
var arr = bio.ReadBytes((int)bio.BytesPending);
target.Write(arr.Array, arr.Offset, arr.Count);
}
}
}
}