From c5ddb67d6bad95d0f75add2bcfe25122d8113cd2 Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylorotwell@gmail.com>
Date: Thu, 7 Jul 2011 23:43:54 -0500
Subject: [PATCH] added comment to hash class.

---
 system/hash.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/system/hash.php b/system/hash.php
index 6bbeda10..501b34eb 100644
--- a/system/hash.php
+++ b/system/hash.php
@@ -17,7 +17,11 @@ class Hash {
 	public $salt;
 
 	/**
-	 * Create a new hash instance.
+	 * Create a new salted hash instance.
+	 *
+	 * If no salt is provided, a random, 16 character salt will be generated
+	 * to created the salted, hashed value. If a salt is provided, that salt
+	 * will be used when hashing the value.
 	 *
 	 * @param  string  $value
 	 * @param  string  $salt
@@ -25,7 +29,9 @@ class Hash {
 	 */
 	public function __construct($value, $salt = null)
 	{
-		$this->value = sha1($value.$this->salt = (is_null($salt)) ? Str::random(16) : $salt);
+		$this->salt = (is_null($salt)) ? Str::random(16) : $salt;
+
+		$this->value = sha1($value.$this->salt);
 	}
 
 	/**