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Diffstat (limited to 'src/pkg/crypto/rand/rand_unix.go')
-rw-r--r--src/pkg/crypto/rand/rand_unix.go20
1 files changed, 15 insertions, 5 deletions
diff --git a/src/pkg/crypto/rand/rand_unix.go b/src/pkg/crypto/rand/rand_unix.go
index 5eb4cda2b..18f482472 100644
--- a/src/pkg/crypto/rand/rand_unix.go
+++ b/src/pkg/crypto/rand/rand_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin freebsd linux netbsd openbsd
+// +build darwin freebsd linux netbsd openbsd plan9
// Unix cryptographically secure pseudorandom number
// generator.
@@ -15,6 +15,7 @@ import (
"crypto/cipher"
"io"
"os"
+ "runtime"
"sync"
"time"
)
@@ -22,7 +23,13 @@ import (
// Easy implementation: read from /dev/urandom.
// This is sufficient on Linux, OS X, and FreeBSD.
-func init() { Reader = &devReader{name: "/dev/urandom"} }
+func init() {
+ if runtime.GOOS == "plan9" {
+ Reader = newReader(nil)
+ } else {
+ Reader = &devReader{name: "/dev/urandom"}
+ }
+}
// A devReader satisfies reads by reading the file named name.
type devReader struct {
@@ -39,14 +46,17 @@ func (r *devReader) Read(b []byte) (n int, err error) {
if f == nil {
return 0, err
}
- r.f = bufio.NewReader(f)
+ if runtime.GOOS == "plan9" {
+ r.f = f
+ } else {
+ r.f = bufio.NewReader(f)
+ }
}
return r.f.Read(b)
}
// Alternate pseudo-random implementation for use on
-// systems without a reliable /dev/urandom. So far we
-// haven't needed it.
+// systems without a reliable /dev/urandom.
// newReader returns a new pseudorandom generator that
// seeds itself by reading from entropy. If entropy == nil,