renamed hasher class to hash and hash method to make.

laravel/security/hash.php

@@ -0,0 +1,64 @@
+<?php namespace Laravel\Security; use Laravel\Str;
+
+class Hash {
+
+	/**
+	 * Hash a password using the Bcrypt hashing scheme.
+	 *
+	 * Bcrypt provides a future-proof hashing algorithm by allowing the
+	 * number of "rounds" to be increased, thus increasing the time it
+	 * takes to generate the hashed value. The longer it takes takes
+	 * to generate the hash, the more impractical a rainbow table
+	 * attack against the hashes becomes.
+	 *
+	 * <code>
+	 *		// Create a Bcrypt hash of a value
+	 *		$hash = Hash::make('secret');
+	 *
+	 *		// Use a specified number of iterations when creating the hash
+	 *		$hash = Hash::make('secret', 12);
+	 * </code>
+	 *
+	 * @param  string  $value
+	 * @param  int     $rounds
+	 * @return string
+	 */
+	public static function make($value, $rounds = 8)
+	{
+		return crypt($value, '$2a$'.str_pad($rounds, 2, '0', STR_PAD_LEFT).'$'.static::salt());
+	}
+
+	/**
+	 * Determine if an unhashed value matches a given Bcrypt hash.
+	 *
+	 * @param  string  $value
+	 * @param  string  $hash
+	 * @return bool
+	 */
+	public static function check($value, $hash)
+	{
+		return crypt($value, $hash) === $hash;
+	}
+
+	/**
+	 * Get a salt for use during Bcrypt hashing.
+	 *
+	 * @return string
+	 */
+	protected static function salt()
+	{
+		// Bcrypt expects the salt to be 22 base64 encoded characters, including dots
+		// and slashes. We will get rid of the plus signs included in the base64 data
+		// and replace them with dots. OpenSSL will be used if available, since it is
+		// more random, otherwise we will fallback on Str::random.
+		if (function_exists('openssl_random_pseudo_bytes'))
+		{
+			$bytes = openssl_random_pseudo_bytes(16);
+
+			return substr(strtr(base64_encode($bytes), '+', '.'), 0 , 22);
+		}
+
+		return substr(str_replace('+', '.', base64_encode(Str::random(40))), 0, 22);
+	}
+
+}