/// <summary>
/// Возвращает список имен контейнеров указанного криптопровайдера.
/// </summary>
/// <param name="providerType">Тип криптопровайдера.</param>
/// <param name="fullContainerName">Вернуть полное имя контейнера.</param>
/// <param name="storeLocation">Область поиска контейнеров.</param>
public static IEnumerable <string> GetContainers(ProviderType providerType, bool fullContainerName = true, StoreLocation storeLocation = StoreLocation.LocalMachine)
{
var containers = new List <string>();
var providerParameters = new CspParameters((int)providerType);
if (storeLocation == StoreLocation.LocalMachine)
{
providerParameters.Flags |= CspProviderFlags.UseMachineKeyStore;
}
using (var providerHandle = AcquireProvider(providerParameters))
{
var containerNameMaxLength = 0U;
var flag = Constants.CRYPT_FIRST;
if (fullContainerName)
{
flag |= (providerType.IsVipNet() ? Constants.CRYPT_UNIQUE : Constants.CRYPT_FQCN);
}
if (!CryptoApi.CryptGetProvParam(providerHandle, Constants.PP_ENUMCONTAINERS, (StringBuilder)null, ref containerNameMaxLength, flag))
{
if (Marshal.GetLastWin32Error() != Constants.ERROR_NO_MORE_ITEMS)
{
throw CreateWin32Error();
}
return(containers);
}
while (true)
{
var containerName = new StringBuilder((int)containerNameMaxLength);
if (!CryptoApi.CryptGetProvParam(providerHandle, Constants.PP_ENUMCONTAINERS, containerName, ref containerNameMaxLength, flag))
{
if (Marshal.GetLastWin32Error() != Constants.ERROR_NO_MORE_ITEMS)
{
throw CreateWin32Error();
}
break;
}
containers.Add(containerName.ToString());
flag = Constants.CRYPT_NEXT;
if (fullContainerName)
{
flag |= (providerType.IsVipNet() ? Constants.CRYPT_UNIQUE : Constants.CRYPT_FQCN);
}
}
}
return(containers);
}
public static ProviderType GetProviderType(SafeProvHandleImpl providerHandle)
{
uint providerTypeLen = sizeof(uint);
byte[] dwData = new byte[sizeof(uint)];
if (!CryptoApi.CryptGetProvParam(providerHandle, Constants.PP_PROVTYPE, dwData, ref providerTypeLen, 0))
{
throw CreateWin32Error();
}
var providerType = BitConverter.ToUInt32(dwData, 0);
return((ProviderType)providerType);
}
