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boringssl/crypto/rand_extra/fuchsia.c

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Add support for Fuchsia in crypto/rand. This change adds the OS-specific routines to get random bytes when using BoringSSL on Fuchsia. Fuchsia uses the Magenta kernel, which provides random bytes via a syscall rather than via a file or library function. Change-Id: I32f858246425309d643d142214c7b8de0c62250a Reviewed-on: https://boringssl-review.googlesource.com/13140 Reviewed-by: David Benjamin <davidben@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-01-13 19:49:38 +00:00
/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or 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. */
#include <openssl/rand.h>
#if defined(OPENSSL_FUCHSIA) && !defined(BORINGSSL_UNSAFE_DETERMINISTIC_MODE)
#include <limits.h>
#include <stdlib.h>
Update Fuchsia symbols that have been renamed Fuchsia needed to rename Magenta to Zircon. Several syscalls and status codes changed as a result. Change-Id: I64b5ae4537ccfb0a318452fed34040a2e8f5012e Reviewed-on: https://boringssl-review.googlesource.com/20324 Reviewed-by: Adam Langley <agl@google.com> Commit-Queue: Adam Langley <agl@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-09-15 19:30:29 +01:00
#include <zircon/syscalls.h>
Add support for Fuchsia in crypto/rand. This change adds the OS-specific routines to get random bytes when using BoringSSL on Fuchsia. Fuchsia uses the Magenta kernel, which provides random bytes via a syscall rather than via a file or library function. Change-Id: I32f858246425309d643d142214c7b8de0c62250a Reviewed-on: https://boringssl-review.googlesource.com/13140 Reviewed-by: David Benjamin <davidben@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-01-13 19:49:38 +00:00
Move much of rand/ into the FIPS module. Support for platforms that we don't support FIPS on doesn't need to be in the module. Also, functions for dealing with whether fork-unsafe buffering is enabled are left out because they aren't implementing any cryptography and they use global r/w state, making their inclusion painful. Change-Id: I71a0123db6f5449e9dfc7ec7dea0944428e661aa Reviewed-on: https://boringssl-review.googlesource.com/15084 Reviewed-by: Adam Langley <agl@google.com>
2017-04-14 19:16:20 +01:00
#include "../fipsmodule/rand/internal.h"
Add support for Fuchsia in crypto/rand. This change adds the OS-specific routines to get random bytes when using BoringSSL on Fuchsia. Fuchsia uses the Magenta kernel, which provides random bytes via a syscall rather than via a file or library function. Change-Id: I32f858246425309d643d142214c7b8de0c62250a Reviewed-on: https://boringssl-review.googlesource.com/13140 Reviewed-by: David Benjamin <davidben@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-01-13 19:49:38 +00:00
void CRYPTO_sysrand(uint8_t *out, size_t requested) {
[fuchsia] Update to zx_cprng_draw This change moves to the final version of zx_cprng_draw, which cannot fail. If the syscall would fail, either the operating system terminates or the kernel kills the userspace process (depending on where the error comes from). Change-Id: Iea9563c9f63ea5802e2cde741879fa58c19028f4 Reviewed-on: https://boringssl-review.googlesource.com/29424 Reviewed-by: David Benjamin <davidben@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2018-06-27 17:30:46 +01:00
zx_cprng_draw(out, requested);
Add support for Fuchsia in crypto/rand. This change adds the OS-specific routines to get random bytes when using BoringSSL on Fuchsia. Fuchsia uses the Magenta kernel, which provides random bytes via a syscall rather than via a file or library function. Change-Id: I32f858246425309d643d142214c7b8de0c62250a Reviewed-on: https://boringssl-review.googlesource.com/13140 Reviewed-by: David Benjamin <davidben@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-01-13 19:49:38 +00:00
}
Run the comment converter on libcrypto. crypto/{asn1,x509,x509v3,pem} were skipped as they are still OpenSSL style. Change-Id: I3cd9a60e1cb483a981aca325041f3fbce294247c Reviewed-on: https://boringssl-review.googlesource.com/19504 Reviewed-by: Adam Langley <agl@google.com> Commit-Queue: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
2017-08-18 19:06:02 +01:00
#endif // OPENSSL_FUCHSIA && !BORINGSSL_UNSAFE_DETERMINISTIC_MODE
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