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-rw-r--r--src/crypto/rand/rand_getentropy.go14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/crypto/rand/rand_getentropy.go b/src/crypto/rand/rand_getentropy.go
new file mode 100644
index 0000000..68f921b
--- /dev/null
+++ b/src/crypto/rand/rand_getentropy.go
@@ -0,0 +1,14 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build (darwin && !ios) || openbsd
+
+package rand
+
+import "internal/syscall/unix"
+
+func init() {
+ // getentropy(2) returns a maximum of 256 bytes per call
+ altGetRandom = batched(unix.GetEntropy, 256)
+}