| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // TODO(fxb/39732): This should be read as "library zx". |
| library zz; |
| |
| [Transport = "Syscall"] |
| protocol cprng { |
| [internal] |
| cprng_draw_once() -> (status status, vector_void buffer); |
| |
| /// Draw from the kernel's CPRNG. |
| [vdsocall] |
| cprng_draw() -> (vector_void buffer); |
| |
| /// Add entropy to the kernel CPRNG. |
| cprng_add_entropy(vector_void buffer) -> (status status); |
| }; |
