internal static void ValidateCertificate(ExchangeCertificate certificate, bool skipAutomatedDeploymentChecks)
{
ExchangeCertificateValidity exchangeCertificateValidity = ManageExchangeCertificate.ValidateExchangeCertificate(certificate, true);
if (exchangeCertificateValidity != ExchangeCertificateValidity.Valid)
{
throw new FederationCertificateInvalidException(Strings.CertificateNotValidForExchange(certificate.Thumbprint, exchangeCertificateValidity.ToString()));
}
if (string.IsNullOrEmpty(certificate.SubjectKeyIdentifier))
{
throw new FederationCertificateInvalidException(Strings.ErrorCertificateNoSKI(certificate.Thumbprint));
}
if (!skipAutomatedDeploymentChecks && !certificate.PrivateKeyExportable)
{
throw new FederationCertificateInvalidException(Strings.ErrorCertificateNotExportable(certificate.Thumbprint));
}
if (!string.Equals(certificate.GetKeyAlgorithm(), WellKnownOid.RsaRsa.Value, StringComparison.OrdinalIgnoreCase))
{
throw new FederationCertificateInvalidException(Strings.ErrorCertificateNotRSA(certificate.Thumbprint));
}
if (TlsCertificateInfo.IsCNGProvider(certificate))
{
throw new FederationCertificateInvalidException(Strings.ErrorCertificateNotCAPI(certificate.Thumbprint));
}
if ((ExDateTime)certificate.NotAfter < ExDateTime.UtcNow && (ExDateTime)certificate.NotBefore > ExDateTime.UtcNow)
{
throw new FederationCertificateInvalidException(Strings.ErrorCertificateHasExpired(certificate.Thumbprint));
}
}
private static void ReEncryptEdgeSyncCredentials(Server server, X509Certificate2 oldCertificate, X509Certificate2 newCertificate)
{
if (server.EdgeSyncCredentials == null || server.EdgeSyncCredentials.Count == 0)
{
return;
}
if (oldCertificate == null)
{
throw new InvalidOperationException(Strings.InternalTransportCertificateCorruptedInADOnHub);
}
if (TlsCertificateInfo.IsCNGProvider(newCertificate))
{
throw new InvalidOperationException(Strings.InternalTransportCertificateMustBeCAPICertificate(newCertificate.Thumbprint));
}
oldCertificate = ExchangeCertificate.GetCertificateFromStore(StoreName.My, oldCertificate.Thumbprint);
if (oldCertificate == null)
{
throw new InvalidOperationException(Strings.InternalTransportCertificateCorruptedInADOnHub);
}
EdgeSyncCredential[] array = new EdgeSyncCredential[server.EdgeSyncCredentials.Count];
using (RSACryptoServiceProvider rsacryptoServiceProvider = (RSACryptoServiceProvider)oldCertificate.PrivateKey)
{
for (int i = 0; i < server.EdgeSyncCredentials.Count; i++)
{
array[i] = EdgeSyncCredential.DeserializeEdgeSyncCredential(server.EdgeSyncCredentials[i]);
try
{
array[i].EncryptedESRAPassword = rsacryptoServiceProvider.Decrypt(array[i].EncryptedESRAPassword, false);
}
catch (CryptographicException)
{
throw new InvalidOperationException(Strings.InternalTransportCertificateCorruptedInADOnHub);
}
}
}
using (RSACryptoServiceProvider rsacryptoServiceProvider2 = newCertificate.PublicKey.Key as RSACryptoServiceProvider)
{
if (rsacryptoServiceProvider2 != null)
{
for (int j = 0; j < array.Length; j++)
{
if (array[j].EncryptedESRAPassword != null)
{
array[j].EncryptedESRAPassword = rsacryptoServiceProvider2.Encrypt(array[j].EncryptedESRAPassword, false);
server.EdgeSyncCredentials[j] = EdgeSyncCredential.SerializeEdgeSyncCredential(array[j]);
}
}
}
}
}
internal static ExchangeCertificateValidity ValidateExchangeCertificate(X509Certificate2 cert, bool ignoreAccessible)
{
if (cert == null)
{
throw new ArgumentNullException("cert");
}
if (!cert.HasPrivateKey)
{
return(ExchangeCertificateValidity.PrivateKeyMissing);
}
string keyAlgorithm = cert.GetKeyAlgorithm();
bool flag = string.Equals(keyAlgorithm, WellKnownOid.X957Sha1Dsa.Value, StringComparison.OrdinalIgnoreCase);
if (!string.Equals(keyAlgorithm, WellKnownOid.RsaRsa.Value, StringComparison.OrdinalIgnoreCase) && !flag)
{
return(ExchangeCertificateValidity.KeyAlgorithmUnsupported);
}
foreach (X509Extension x509Extension in cert.Extensions)
{
try
{
X509KeyUsageExtension x509KeyUsageExtension = x509Extension as X509KeyUsageExtension;
if (x509KeyUsageExtension != null)
{
X509KeyUsageFlags keyUsages = x509KeyUsageExtension.KeyUsages;
bool flag2 = false;
if (keyUsages == X509KeyUsageFlags.None)
{
flag2 = true;
}
else if ((keyUsages & (X509KeyUsageFlags.NonRepudiation | X509KeyUsageFlags.DigitalSignature)) != X509KeyUsageFlags.None)
{
flag2 = true;
}
if (!flag2)
{
return(ExchangeCertificateValidity.SigningNotSupported);
}
}
}
catch (CryptographicException)
{
return(ExchangeCertificateValidity.KeyUsageCorrupted);
}
try
{
X509EnhancedKeyUsageExtension x509EnhancedKeyUsageExtension = x509Extension as X509EnhancedKeyUsageExtension;
if (x509EnhancedKeyUsageExtension != null && x509EnhancedKeyUsageExtension.EnhancedKeyUsages.Count > 0 && x509EnhancedKeyUsageExtension.EnhancedKeyUsages[WellKnownOid.PkixKpServerAuth.Value] == null)
{
return(ExchangeCertificateValidity.PkixKpServerAuthNotFoundInEnhancedKeyUsage);
}
}
catch (CryptographicException)
{
return(ExchangeCertificateValidity.EnhancedKeyUsageCorrupted);
}
}
if (TlsCertificateInfo.IsCNGProvider(cert))
{
return(ManageExchangeCertificate.CheckCNGSettings(cert));
}
AsymmetricAlgorithm privateKey;
try
{
privateKey = cert.PrivateKey;
}
catch (CryptographicException)
{
return(ExchangeCertificateValidity.PrivateKeyNotAccessible);
}
ICspAsymmetricAlgorithm cspAsymmetricAlgorithm = privateKey as ICspAsymmetricAlgorithm;
if (cspAsymmetricAlgorithm == null)
{
return(ExchangeCertificateValidity.PrivateKeyUnsupportedAlgorithm);
}
CspKeyContainerInfo cspKeyContainerInfo = cspAsymmetricAlgorithm.CspKeyContainerInfo;
if (cspKeyContainerInfo.Protected)
{
return(ExchangeCertificateValidity.CspKeyContainerInfoProtected);
}
if (cspKeyContainerInfo.HardwareDevice && cspKeyContainerInfo.Removable)
{
return(ExchangeCertificateValidity.CspKeyContainerInfoRemovableDevice);
}
if (!ignoreAccessible && !cspKeyContainerInfo.Accessible)
{
return(ExchangeCertificateValidity.CspKeyContainerInfoNotAccessible);
}
switch (cspKeyContainerInfo.KeyNumber)
{
case KeyNumber.Exchange:
case KeyNumber.Signature:
{
AsymmetricAlgorithm key = cert.PublicKey.Key;
if (key.KeySize < 1024)
{
return(ExchangeCertificateValidity.PublicKeyUnsupportedSize);
}
return(ExchangeCertificateValidity.Valid);
}
default:
return(ExchangeCertificateValidity.CspKeyContainerInfoUnknownKeyNumber);
}
}