private static bool CheckCertificateUsage(System.Security.Cryptography.X509Certificates.X509Certificate2 cert)
{
bool result;
try
{
if (cert.Version < 3)
{
result = true;
}
else
{
System.Security.Cryptography.X509Certificates.X509KeyUsageExtension x509KeyUsageExtension = (System.Security.Cryptography.X509Certificates.X509KeyUsageExtension)cert.Extensions["2.5.29.15"];
System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension x509EnhancedKeyUsageExtension = (System.Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension)cert.Extensions["2.5.29.37"];
if (x509KeyUsageExtension != null && x509EnhancedKeyUsageExtension != null)
{
if ((x509KeyUsageExtension.KeyUsages & ServicePointManager.ChainValidationHelper.s_flags) == System.Security.Cryptography.X509Certificates.X509KeyUsageFlags.None)
{
result = false;
}
else
{
result = (x509EnhancedKeyUsageExtension.EnhancedKeyUsages["1.3.6.1.5.5.7.3.1"] != null || x509EnhancedKeyUsageExtension.EnhancedKeyUsages["2.16.840.1.113730.4.1"] != null);
}
}
else if (x509KeyUsageExtension != null)
{
result = ((x509KeyUsageExtension.KeyUsages & ServicePointManager.ChainValidationHelper.s_flags) != System.Security.Cryptography.X509Certificates.X509KeyUsageFlags.None);
}
else if (x509EnhancedKeyUsageExtension != null)
{
result = (x509EnhancedKeyUsageExtension.EnhancedKeyUsages["1.3.6.1.5.5.7.3.1"] != null || x509EnhancedKeyUsageExtension.EnhancedKeyUsages["2.16.840.1.113730.4.1"] != null);
}
else
{
System.Security.Cryptography.X509Certificates.X509Extension x509Extension = cert.Extensions["2.16.840.1.113730.1.1"];
if (x509Extension != null)
{
string text = x509Extension.NetscapeCertType(false);
result = (text.IndexOf("SSL Server Authentication") != -1);
}
else
{
result = true;
}
}
}
}
catch (Exception arg)
{
Console.Error.WriteLine("ERROR processing certificate: {0}", arg);
Console.Error.WriteLine("Please, report this problem to the Mono team");
result = false;
}
return(result);
}
private static bool CheckCertificateUsage(X509Certificate2 cert)
{
try
{
if (cert.Version < 3)
{
return(true);
}
X509KeyUsageExtension x509KeyUsageExtension = (X509KeyUsageExtension)cert.Extensions["2.5.29.15"];
X509EnhancedKeyUsageExtension x509EnhancedKeyUsageExtension = (X509EnhancedKeyUsageExtension)cert.Extensions["2.5.29.37"];
if (x509KeyUsageExtension != null && x509EnhancedKeyUsageExtension != null)
{
if ((x509KeyUsageExtension.KeyUsages & s_flags) == X509KeyUsageFlags.None)
{
return(false);
}
return(x509EnhancedKeyUsageExtension.EnhancedKeyUsages["1.3.6.1.5.5.7.3.1"] != null || x509EnhancedKeyUsageExtension.EnhancedKeyUsages["2.16.840.1.113730.4.1"] != null);
}
if (x509KeyUsageExtension != null)
{
return((x509KeyUsageExtension.KeyUsages & s_flags) != X509KeyUsageFlags.None);
}
if (x509EnhancedKeyUsageExtension != null)
{
return(x509EnhancedKeyUsageExtension.EnhancedKeyUsages["1.3.6.1.5.5.7.3.1"] != null || x509EnhancedKeyUsageExtension.EnhancedKeyUsages["2.16.840.1.113730.4.1"] != null);
}
System.Security.Cryptography.X509Certificates.X509Extension x509Extension = cert.Extensions["2.16.840.1.113730.1.1"];
if (x509Extension != null)
{
string text = x509Extension.NetscapeCertType(multiLine: false);
return(text.IndexOf("SSL Server Authentication") != -1);
}
return(true);
IL_0133:
bool result;
return(result);
}
catch (Exception arg)
{
Console.Error.WriteLine("ERROR processing certificate: {0}", arg);
Console.Error.WriteLine("Please, report this problem to the Mono team");
return(false);
IL_0162:
bool result;
return(result);
}
}
