public static IEnumerable <Container> EnumerateContainers(string providerName, ProviderType.Ids providerTypeId, Scope scope)
{
var acFlags = CryptAcquireContextFlags.CRYPT_VERIFYCONTEXT;
if (scope == Scope.Machine)
{
acFlags |= CryptAcquireContextFlags.CRYPT_MACHINE_KEYSET;
}
var providerHandle = GetProviderHandle(null, providerName, providerTypeId, acFlags);
var containerNameMaxLength_Bytes = 0;
if (CryptEnumerateContainerNames(providerHandle, null, ref containerNameMaxLength_Bytes, EnumerationFlags.CRYPT_FIRST) == false)
{
throw new Win32Exception();
}
var providerTypes = ProviderType.GetProviderTypes();
var containerName = new byte[containerNameMaxLength_Bytes];
var gppFlags = EnumerationFlags.CRYPT_FIRST;
while (CryptEnumerateContainerNames(providerHandle, containerName, ref containerNameMaxLength_Bytes, gppFlags))
{
yield return
(new Container(
Encoding.ASCII.GetString(containerName).TrimEnd('\0'),
new Provider(
GetProviderName(providerHandle),
providerTypes[providerTypeId]
),
scope
));
Array.Clear(containerName, 0, containerName.Length);
gppFlags = EnumerationFlags.CRYPT_NEXT;
}
providerHandle.Dispose();
}
public Provider(string name, ProviderType providerType)
{
Name = name;
ProviderType = providerType;
}
