diff options
Diffstat (limited to 'src/lib/libcrypto/crypto/getentropy_win.c')
-rw-r--r-- | src/lib/libcrypto/crypto/getentropy_win.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/lib/libcrypto/crypto/getentropy_win.c b/src/lib/libcrypto/crypto/getentropy_win.c deleted file mode 100644 index 2abeb27bc6..0000000000 --- a/src/lib/libcrypto/crypto/getentropy_win.c +++ /dev/null | |||
@@ -1,59 +0,0 @@ | |||
1 | /* $OpenBSD: getentropy_win.c,v 1.5 2016/08/07 03:27:21 tb 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 <errno.h> | ||
25 | #include <stdint.h> | ||
26 | #include <sys/types.h> | ||
27 | #include <wincrypt.h> | ||
28 | #include <process.h> | ||
29 | |||
30 | int getentropy(void *buf, size_t len); | ||
31 | |||
32 | /* | ||
33 | * On Windows, CryptGenRandom is supposed to be a well-seeded | ||
34 | * cryptographically strong random number generator. | ||
35 | */ | ||
36 | int | ||
37 | getentropy(void *buf, size_t len) | ||
38 | { | ||
39 | HCRYPTPROV provider; | ||
40 | |||
41 | if (len > 256) { | ||
42 | errno = EIO; | ||
43 | return (-1); | ||
44 | } | ||
45 | |||
46 | if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, | ||
47 | CRYPT_VERIFYCONTEXT) == 0) | ||
48 | goto fail; | ||
49 | if (CryptGenRandom(provider, len, buf) == 0) { | ||
50 | CryptReleaseContext(provider, 0); | ||
51 | goto fail; | ||
52 | } | ||
53 | CryptReleaseContext(provider, 0); | ||
54 | return (0); | ||
55 | |||
56 | fail: | ||
57 | errno = EIO; | ||
58 | return (-1); | ||
59 | } | ||