Inhaltsverzeichnis
Creare CSR
Esempi compatti per Certificate Signing Request. → Dettagli: Scenari CSR
Server-CSR (TLS)
using var ecdsa = ECDsa.Create(ECCurve.NamedCurves.nistP384); var dn = new X500DistinguishedNameBuilder(); dn.AddCommonName("api.example.com"); dn.AddOrganizationName("Example Corp"); var csr = new CertificateRequest(dn.Build(), ecdsa, HashAlgorithmName.SHA384); // SAN var sanBuilder = new SubjectAlternativeNameBuilder(); sanBuilder.AddDnsName("api.example.com"); sanBuilder.AddDnsName("www.example.com"); csr.CertificateExtensions.Add(sanBuilder.Build()); // Key Usage csr.CertificateExtensions.Add( new X509KeyUsageExtension( X509KeyUsageFlags.DigitalSignature | X509KeyUsageFlags.KeyEncipherment, true)); // EKU: Server Auth csr.CertificateExtensions.Add( new X509EnhancedKeyUsageExtension( new OidCollection { new Oid("1.3.6.1.5.5.7.3.1") }, false)); var csrBytes = csr.CreateSigningRequest();
→ Dettagli: Server-CSR
Client-CSR (mTLS)
using var mlDsa = MlDsaSigner.Create(MlDsaParameterSet.MlDsa65); var dn = new X500DistinguishedNameBuilder(); dn.AddCommonName("client-app-001"); var csr = new CertificateRequest(dn.Build(), mlDsa, HashAlgorithmName.SHA384); csr.CertificateExtensions.Add( new X509KeyUsageExtension(X509KeyUsageFlags.DigitalSignature, true)); csr.CertificateExtensions.Add( new X509EnhancedKeyUsageExtension( new OidCollection { new Oid("1.3.6.1.5.5.7.3.2") }, false)); // clientAuth
→ Dettagli: Client-CSR
CSR Code-Signing
var dn = new X500DistinguishedNameBuilder(); dn.AddCommonName("Example Corp Code Signing"); var csr = new CertificateRequest(dn.Build(), mlDsa, HashAlgorithmName.SHA384); csr.CertificateExtensions.Add( new X509KeyUsageExtension(X509KeyUsageFlags.DigitalSignature, true)); csr.CertificateExtensions.Add( new X509EnhancedKeyUsageExtension( new OidCollection { new Oid("1.3.6.1.5.5.7.3.3") }, true)); // codeSigning
Tipi di CSR
| Tipo | Key Usage | EKU OID |
|---|---|---|
| Server | digitalSignature, keyEncipherment | 1.3.6.1.5.5.7.3.1 (serverAuth) |
| Client | digitalSignature | 1.3.6.1.5.5.7.3.2 (clientAuth) |
| S/MIME | digitalSignature, keyEncipherment | 1.3.6.1.5.5.7.3.4 (emailProtection) |
| Code-Signing | digitalSignature | 1.3.6.1.5.5.7.3.3 (codeSigning) |
« ← Riferimento rapido | → Scenari CSR (Dettagli) »
Wolfgang van der Stille @ EMSR DATA d.o.o. - Post-Quantum Cryptography Professional
Zuletzt geändert: il 30/01/2026 alle 09:06