From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- src/crypto/rand/rand_getentropy.go | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/crypto/rand/rand_getentropy.go (limited to 'src/crypto/rand/rand_getentropy.go') diff --git a/src/crypto/rand/rand_getentropy.go b/src/crypto/rand/rand_getentropy.go new file mode 100644 index 0000000..d9e5510 --- /dev/null +++ b/src/crypto/rand/rand_getentropy.go @@ -0,0 +1,30 @@ +// 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() { + altGetRandom = getEntropy +} + +func getEntropy(p []byte) error { + // getentropy(2) returns a maximum of 256 bytes per call + for i := 0; i < len(p); i += 256 { + end := i + 256 + if len(p) < end { + end = len(p) + } + err := unix.GetEntropy(p[i:end]) + if err != nil { + return err + } + } + return nil +} -- cgit v1.2.3