diff options
Diffstat (limited to 'stdlib/arc4random.h')
-rw-r--r-- | stdlib/arc4random.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/stdlib/arc4random.h b/stdlib/arc4random.h deleted file mode 100644 index cd39389c19..0000000000 --- a/stdlib/arc4random.h +++ /dev/null @@ -1,48 +0,0 @@ -/* Arc4random definition used on TLS. - Copyright (C) 2022 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#ifndef _CHACHA20_H -#define _CHACHA20_H - -#include <stddef.h> -#include <stdint.h> - -/* Internal ChaCha20 state. */ -#define CHACHA20_STATE_LEN 16 -#define CHACHA20_BLOCK_SIZE 64 - -/* Maximum number bytes until reseed (16 MB). */ -#define CHACHA20_RESEED_SIZE (16 * 1024 * 1024) - -/* Internal arc4random buffer, used on each feedback step so offer some - backtracking protection and to allow better used of vectorized - chacha20 implementations. */ -#define CHACHA20_BUFSIZE (8 * CHACHA20_BLOCK_SIZE) - -_Static_assert (CHACHA20_BUFSIZE >= CHACHA20_BLOCK_SIZE + CHACHA20_BLOCK_SIZE, - "CHACHA20_BUFSIZE < CHACHA20_BLOCK_SIZE + CHACHA20_BLOCK_SIZE"); - -struct arc4random_state_t -{ - uint32_t ctx[CHACHA20_STATE_LEN]; - size_t have; - size_t count; - uint8_t buf[CHACHA20_BUFSIZE]; -}; - -#endif |