[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>
diff --git a/crypto/rand_extra/fuchsia.c b/crypto/rand_extra/fuchsia.c
index 0a0d7f0..0514d80 100644
--- a/crypto/rand_extra/fuchsia.c
+++ b/crypto/rand_extra/fuchsia.c
@@ -24,18 +24,7 @@
#include "../fipsmodule/rand/internal.h"
void CRYPTO_sysrand(uint8_t *out, size_t requested) {
- while (requested > 0) {
- size_t output_bytes_this_pass = ZX_CPRNG_DRAW_MAX_LEN;
- if (requested < output_bytes_this_pass) {
- output_bytes_this_pass = requested;
- }
- zx_status_t status = zx_cprng_draw_new(out, output_bytes_this_pass);
- if (status != ZX_OK) {
- abort();
- }
- requested -= output_bytes_this_pass;
- out += output_bytes_this_pass;
- }
+ zx_cprng_draw(out, requested);
}
#endif // OPENSSL_FUCHSIA && !BORINGSSL_UNSAFE_DETERMINISTIC_MODE
