/// <summary>
/// Вернет список типолв криптопровайдеров
/// </summary>
/// <returns></returns>
public static Dictionary <string, int> GetProviderTypes()
{
Dictionary <string, int> installedCSPs = new Dictionary <string, int>();
uint cbName;
uint dwType;
uint dwIndex;
StringBuilder pszName;
dwIndex = 0;
dwType = 1;
cbName = 0;
while (CryptoApi.CryptEnumProviderTypes(dwIndex, IntPtr.Zero, 0, ref dwType, null, ref cbName))
{
pszName = new StringBuilder((int)cbName);
if (CryptoApi.CryptEnumProviderTypes(dwIndex++, IntPtr.Zero, 0, ref dwType, pszName, ref cbName))
{
installedCSPs.Add(pszName.ToString(), (int)dwType);
}
else
{
throw CreateWin32Error();
}
}
return(installedCSPs);
}