/// <summary>
/// Найти сертификат получателя в хранилище AddressBook
/// </summary>
/// <param name="subjectName"></param>
/// <returns></returns>
public Task <X509Certificate2> FindAddressBookCertificateBySubjectName(string subjectName)
{
X509Store store = new X509Store(StoreName.AddressBook, CurrentInfo.IsMachine() ? StoreLocation.LocalMachine : StoreLocation.CurrentUser);
store.Open(OpenFlags.ReadOnly);
X509Certificate2 recipientCertificate = null;
// Перебираем сертификаты и ищем по имени
foreach (X509Certificate2 certificate in store.Certificates)
{
if (certificate.SubjectName.Name != null)
{
if (certificate.SubjectName.Name.Contains(subjectName))
{
recipientCertificate = certificate;
break;
}
}
}
store.Close();
if (recipientCertificate == null)
{
throw new Exception($"Сертификат по наименованию {subjectName} в хранилище не найден");
}
return(Task.FromResult(recipientCertificate));
}