private X509Certificate2 FindBestCertificate(byte[][] certBlobs, IEnumerable <string> emails, bool iscontact)
{
if (certBlobs == null)
{
return(null);
}
X509CertificateCollection x509CertificateCollection = new X509CertificateCollection();
foreach (byte[] rawData in certBlobs)
{
if (iscontact)
{
x509CertificateCollection.ImportFromContact(rawData);
}
else
{
x509CertificateCollection.Import(rawData);
}
}
X509Store x509Store = null;
if (this.smimeConfiguration != null)
{
string text = this.smimeConfiguration.SMIMECertificateIssuingCAFull();
if (!string.IsNullOrWhiteSpace(text))
{
x509Store = CertificateStore.Open(StoreType.Memory, null, OpenFlags.ReadWrite);
X509Certificate2Collection x509Certificate2Collection = new X509Certificate2Collection();
x509Certificate2Collection.Import(Convert.FromBase64String(text));
x509Store.AddRange(x509Certificate2Collection);
}
}
return(x509CertificateCollection.FindSMimeCertificate(emails, X509KeyUsageFlags.KeyEncipherment, false, x509Store, this.organizationId.ToString()));
}
private X509Certificate2 FindBestCert(IEnumerable <string> emails, bool isContact, params byte[][][] paramsCertsRawData)
{
X509Certificate2 result;
try
{
X509CertificateCollection x509CertificateCollection = new X509CertificateCollection();
foreach (byte[][] array in paramsCertsRawData)
{
if (array != null)
{
foreach (byte[] array3 in array)
{
try
{
if (isContact)
{
x509CertificateCollection.ImportFromContact(array3);
}
else
{
x509CertificateCollection.Import(array3);
}
}
catch (Exception ex)
{
this.LogException(ex, "Error occurred when parsing cert raw data {0}", new object[]
{
Convert.ToBase64String(array3)
});
}
}
}
}
X509Store x509Store = null;
if (!string.IsNullOrEmpty(this.smimeAdminOptions.SMIMECertificateIssuingCAFull))
{
x509Store = CertificateStore.Open(StoreType.Memory, null, OpenFlags.ReadWrite);
X509Certificate2Collection x509Certificate2Collection = new X509Certificate2Collection();
x509Certificate2Collection.Import(Convert.FromBase64String(this.smimeAdminOptions.SMIMECertificateIssuingCAFull));
x509Store.AddRange(x509Certificate2Collection);
}
result = x509CertificateCollection.FindSMimeCertificate(emails, X509KeyUsageFlags.DataEncipherment | X509KeyUsageFlags.KeyEncipherment, false, TimeSpan.FromMilliseconds(this.smimeAdminOptions.CRLConnectionTimeout), TimeSpan.FromMilliseconds(this.smimeAdminOptions.CRLRetrievalTimeout), x509Store, base.CallContext.AccessingPrincipal.MailboxInfo.OrganizationId.ToString());
}
catch (Exception ex2)
{
StringBuilder stringBuilder = new StringBuilder();
foreach (byte[][] array4 in paramsCertsRawData)
{
if (array4 != null)
{
foreach (byte[] array6 in array4)
{
if (array6 != null)
{
stringBuilder.AppendLine(Convert.ToBase64String(array6));
}
}
}
}
this.LogException(ex2, "Error occurred when finding best cert from: {0}", new object[]
{
stringBuilder
});
result = null;
}
return(result);
}