randutil: improving comments

syncloud · Mar 21, 2020 · 504b7bc · 504b7bc
1 parent 17f893f
commit 504b7bc
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/randutil/rand.go b/randutil/rand.go
@@ -46,9 +46,11 @@ func moreMixedSeed() {
 		var b [8]byte
 		rand.Read(b[:])
 		h.Write(b[:])
+		// mix in the hostname
 		if hostname, err := os.Hostname(); err == nil {
 			h.Write([]byte(hostname))
 		}
+		// mix in net interfaces hw addresses (MACs etc)
 		if ifaces, err := net.Interfaces(); err == nil {
 			for _, iface := range ifaces {
 				h.Write(iface.HardwareAddr)

diff --git a/randutil/rand_test.go b/randutil/rand_test.go
@@ -47,7 +47,7 @@ func (s *randutilSuite) TestRandomString(c *C) {
 }
 
 func (s *randutilSuite) TestRandomDuration(c *C) {
-	// ensure higherEntropySeed is done
+	// ensure moreMixedSeed is done
 	d := randutil.RandomDuration(time.Hour)
 	c.Check(d < time.Hour, Equals, true)