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runtime: use urandom instead of random

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Random is bad, it can block and prevent binaries from starting.
Use urandom instead.  We'd rather have bad random bits than no
random bits.

Change-Id: I360e1cb90ace5518a1b51708822a1dae27071ebd
Reviewed-on: https://go-review.googlesource.com/2582
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Keith Randall 2015-01-08 15:30:22 -08:00
parent 5664eda733
commit 1de9c4073b
4 changed files with 4 additions and 4 deletions
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2
src/runtime/os1_darwin.go
View File

@ -45,7 +45,7 @@ func osinit() {
} }
} }
var urandom_dev = []byte("/dev/random\x00") var urandom_dev = []byte("/dev/urandom\x00")
//go:nosplit //go:nosplit
func getRandomData(r []byte) { func getRandomData(r []byte) {

2
src/runtime/os1_freebsd.go
View File

@ -96,7 +96,7 @@ func osinit() {
ncpu = getncpu() ncpu = getncpu()
} }
var urandom_dev = []byte("/dev/random\x00") var urandom_dev = []byte("/dev/urandom\x00")
//go:nosplit //go:nosplit
func getRandomData(r []byte) { func getRandomData(r []byte) {

2
src/runtime/os1_linux.go
View File

@ -145,7 +145,7 @@ func osinit() {
ncpu = getproccount() ncpu = getproccount()
} }
var urandom_dev = []byte("/dev/random\x00") var urandom_dev = []byte("/dev/urandom\x00")
func getRandomData(r []byte) { func getRandomData(r []byte) {
if startupRandomData != nil { if startupRandomData != nil {

2
src/runtime/os3_solaris.go
View File

@ -165,7 +165,7 @@ func newosproc(mp *m, _ unsafe.Pointer) {
} }
} }
var urandom_dev = []byte("/dev/random\x00") var urandom_dev = []byte("/dev/urandom\x00")
//go:nosplit //go:nosplit
func getRandomData(r []byte) { func getRandomData(r []byte) {