diff options
Diffstat (limited to '')
-rw-r--r-- | src/lib/libcrypto/arc4random/getentropy_win.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/src/lib/libcrypto/arc4random/getentropy_win.c b/src/lib/libcrypto/arc4random/getentropy_win.c deleted file mode 100644 index 64514b3a37..0000000000 --- a/src/lib/libcrypto/arc4random/getentropy_win.c +++ /dev/null | |||
@@ -1,50 +0,0 @@ | |||
1 | /* $OpenBSD: getentropy_win.c,v 1.6 2020/11/11 10:41:24 bcook Exp $ */ | ||
2 | |||
3 | /* | ||
4 | * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org> | ||
5 | * Copyright (c) 2014, Bob Beck <beck@obtuse.com> | ||
6 | * | ||
7 | * Permission to use, copy, modify, and distribute this software for any | ||
8 | * purpose with or without fee is hereby granted, provided that the above | ||
9 | * copyright notice and this permission notice appear in all copies. | ||
10 | * | ||
11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
18 | * | ||
19 | * Emulation of getentropy(2) as documented at: | ||
20 | * http://man.openbsd.org/getentropy.2 | ||
21 | */ | ||
22 | |||
23 | #include <windows.h> | ||
24 | #include <bcrypt.h> | ||
25 | #include <errno.h> | ||
26 | #include <stdint.h> | ||
27 | #include <sys/types.h> | ||
28 | |||
29 | int getentropy(void *buf, size_t len); | ||
30 | |||
31 | /* | ||
32 | * On Windows, BCryptGenRandom with BCRYPT_USE_SYSTEM_PREFERRED_RNG is supposed | ||
33 | * to be a well-seeded, cryptographically strong random number generator. | ||
34 | * https://docs.microsoft.com/en-us/windows/win32/api/bcrypt/nf-bcrypt-bcryptgenrandom | ||
35 | */ | ||
36 | int | ||
37 | getentropy(void *buf, size_t len) | ||
38 | { | ||
39 | if (len > 256) { | ||
40 | errno = EIO; | ||
41 | return (-1); | ||
42 | } | ||
43 | |||
44 | if (FAILED(BCryptGenRandom(NULL, buf, len, BCRYPT_USE_SYSTEM_PREFERRED_RNG))) { | ||
45 | errno = EIO; | ||
46 | return (-1); | ||
47 | } | ||
48 | |||
49 | return (0); | ||
50 | } | ||