public static SafeProvHandleImpl CreateProvider(CspParameters providerParameters)
{
var providerHandle = SafeProvHandleImpl.InvalidHandle;
if (!CryptoApi.CryptAcquireContext(ref providerHandle, providerParameters.KeyContainerName, providerParameters.ProviderName, (uint)providerParameters.ProviderType, Constants.CRYPT_NEWKEYSET))
{
throw CreateWin32Error();
}
return(providerHandle);
}
public static SafeProvHandleImpl OpenProvider(CspParameters providerParameters)
{
var providerHandle = SafeProvHandleImpl.InvalidHandle;
var dwFlags = MapCspProviderFlags(providerParameters.Flags);
if (!CryptoApi.CryptAcquireContext(ref providerHandle, providerParameters.KeyContainerName, providerParameters.ProviderName, (uint)providerParameters.ProviderType, dwFlags))
{
throw CreateWin32Error();
}
return(providerHandle);
}
public static SafeProvHandleImpl AcquireProvider(CspParameters providerParameters)
{
var providerHandle = SafeProvHandleImpl.InvalidHandle;
var dwFlags = Constants.CRYPT_VERIFYCONTEXT;
if ((providerParameters.Flags & CspProviderFlags.UseMachineKeyStore) != CspProviderFlags.NoFlags)
{
dwFlags |= Constants.CRYPT_MACHINE_KEYSET;
}
if (!CryptoApi.CryptAcquireContext(ref providerHandle, providerParameters.KeyContainerName, providerParameters.ProviderName, (uint)providerParameters.ProviderType, dwFlags))
{
throw CreateWin32Error();
}
return(providerHandle);
}