public static SafeKeyHandleImpl GenerateKey(SafeProvHandleImpl providerHandle, int algId, CspProviderFlags flags)
{
var keyHandle = SafeKeyHandleImpl.InvalidHandle;
var dwFlags = MapCspKeyFlags(flags);
if (!CryptoApi.CryptGenKey(providerHandle, (uint)algId, dwFlags, ref keyHandle))
{
throw CreateWin32Error();
}
return(keyHandle);
}
public static SafeKeyHandleImpl GenerateDhEphemeralKey(SafeProvHandleImpl providerHandle, string digestParamSet, string publicKeyParamSet)
{
var keyHandle = SafeKeyHandleImpl.InvalidHandle;
var dwFlags = MapCspKeyFlags(CspProviderFlags.NoFlags) | Constants.CRYPT_PREGEN;
if (!CryptoApi.CryptGenKey(providerHandle, Constants.CALG_DH_EL_EPHEM, dwFlags, ref keyHandle))
{
throw CreateWin32Error();
}
SetKeyParameterString(keyHandle, Constants.KP_HASHOID, digestParamSet);
SetKeyParameterString(keyHandle, Constants.KP_DHOID, publicKeyParamSet);
SetKeyParameter(keyHandle, Constants.KP_X, null);
return(keyHandle);
}
