From e810e021c717a2dc10cc25c286cc720bc632f548 Mon Sep 17 00:00:00 2001
From: Dmitry Chestnykh <dmitry@codingrobots.com>
Date: Tue, 5 Apr 2011 21:52:50 +0200
Subject: [PATCH] Use io.ReadFull to read from random source.

---
 uniuri.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/uniuri.go b/uniuri.go
index d487298..a4d6bbd 100644
--- a/uniuri.go
+++ b/uniuri.go
@@ -16,6 +16,7 @@
 package uniuri
 
 import "crypto/rand"
+import "io"
 
 const (
 	// Standard length of uniuri string to achive ~95 bits of entropy.
@@ -44,7 +45,7 @@ func NewLen(length int) string {
 // of the provided byte slice of allowed characters (maximum 256).
 func NewLenChars(length int, chars []byte) string {
 	b := make([]byte, length)
-	if _, err := rand.Read(b); err != nil {
+	if _, err := io.ReadFull(rand.Reader, b); err != nil {
 		panic("error reading from random source: " + err.String())
 	}
 	alen := byte(len(chars))