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Inhaltsverzeichnis

X509Certificates Namespace

Namespace: WvdS.System.Security.Cryptography.X509Certificates

Contains extension methods for X.509 certificate operations with PQ support.

Classes

Class Description
CertificateRequestExtensions Extensions for CertificateRequest
X509Certificate2Extensions Extensions for X509Certificate2
X509ChainExtensions Extensions for X509Chain
X509Certificate2ExportExtensions PFX export/import with PQ keys
X509StoreExtensions Store operations with PQ key persistence
CertificateRevocationListExtensions CRL creation with PQ signatures
RevocationExtensions Revocation checking (CRL/OCSP)
TrustStoreExtensions & PqTrustStore Custom trust store management

Extended Types

These classes extend the following .NET types:

.NET Type Extension Class
System.Security.Cryptography.X509Certificates.CertificateRequest1) CertificateRequestExtensions
System.Security.Cryptography.X509Certificates.X509Certificate22) X509Certificate2Extensions, RevocationExtensions
System.Security.Cryptography.X509Certificates.X509Chain3) X509ChainExtensions
System.Security.Cryptography.X509Certificates.X509Store4) X509StoreExtensions
System.Security.Cryptography.X509Certificates.CertificateRevocationListBuilder5) CertificateRevocationListExtensions

Example

using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using WvdS.System.Security.Cryptography;
using WvdS.System.Security.Cryptography.X509Certificates;
 
CryptoConfig.DefaultMode = CryptoMode.Hybrid;
 
using var rsa = RSA.Create(2048);
var request = new CertificateRequest("CN=Test", rsa,
    HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
 
// Extension method is automatically used
var cert = request.CreateSelfSigned(
    DateTimeOffset.Now,
    DateTimeOffset.Now.AddYears(1));
 
// Check PQ status
bool hasPq = cert.HasPqSignature();  // true

See Also

, ,

Wolfgang van der Stille @ EMSR DATA d.o.o. - Post-Quantum Cryptography Professional

1)
Microsoft Docs: https://learn.microsoft.com/dotnet/api/system.security.cryptography.x509certificates.certificaterequest
2)
Microsoft Docs: https://learn.microsoft.com/dotnet/api/system.security.cryptography.x509certificates.x509certificate2
3)
Microsoft Docs: https://learn.microsoft.com/dotnet/api/system.security.cryptography.x509certificates.x509chain
4)
Microsoft Docs: https://learn.microsoft.com/dotnet/api/system.security.cryptography.x509certificates.x509store
5)
Microsoft Docs: https://learn.microsoft.com/dotnet/api/system.security.cryptography.x509certificates.certificaterevocationlistbuilder
Zuletzt geändert: on 2026/01/29 at 11:18 PM

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