diff options
Diffstat (limited to 'code/crypto/compat/getentropy_win.c')
-rw-r--r-- | code/crypto/compat/getentropy_win.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/code/crypto/compat/getentropy_win.c b/code/crypto/compat/getentropy_win.c deleted file mode 100644 index 2abeb27..0000000 --- a/code/crypto/compat/getentropy_win.c +++ /dev/null @@ -1,59 +0,0 @@ -/* $OpenBSD: getentropy_win.c,v 1.5 2016/08/07 03:27:21 tb Exp $ */ - -/* - * Copyright (c) 2014, Theo de Raadt <deraadt@openbsd.org> - * Copyright (c) 2014, Bob Beck <beck@obtuse.com> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Emulation of getentropy(2) as documented at: - * http://man.openbsd.org/getentropy.2 - */ - -#include <windows.h> -#include <errno.h> -#include <stdint.h> -#include <sys/types.h> -#include <wincrypt.h> -#include <process.h> - -int getentropy(void *buf, size_t len); - -/* - * On Windows, CryptGenRandom is supposed to be a well-seeded - * cryptographically strong random number generator. - */ -int -getentropy(void *buf, size_t len) -{ - HCRYPTPROV provider; - - if (len > 256) { - errno = EIO; - return (-1); - } - - if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, - CRYPT_VERIFYCONTEXT) == 0) - goto fail; - if (CryptGenRandom(provider, len, buf) == 0) { - CryptReleaseContext(provider, 0); - goto fail; - } - CryptReleaseContext(provider, 0); - return (0); - -fail: - errno = EIO; - return (-1); -} |