update to encryption

encryption.md

@@ -13,7 +13,7 @@ Before using Laravel's encrypter, you should set the `key` option of your `confi
 
 #### Encrypting A Value
 
-You may encrypt a value using the `Crypt` [facade](/docs/{{version}}/facades). All encrypted values are encrypted using the `MCRYPT_RIJNDAEL_128` MCrypt cipher in CBC mode. Furthermore, all encrypted values are signed with a message authentication code (MAC) to detect any modifications to the encrypted string.
+You may encrypt a value using the `Crypt` [facade](/docs/{{version}}/facades). All encrypted values are encrypted using the OpenSSL and the `AES-128-CBC` cipher. Furthermore, all encrypted values are signed with a message authentication code (MAC) to detect any modifications to the encrypted string.
 
 For example, we may use the `encrypt` method to encrypt a secret and store it on an [Eloquent model](/docs/{{version}}/eloquent):
 

installation.md

@@ -18,7 +18,6 @@ The Laravel framework has a few system requirements. Of course, all of these req
 
 <div class="content-list" markdown="1">
 - PHP >= 5.5.9
-- Mcrypt PHP Extension
 - OpenSSL PHP Extension
 - Mbstring PHP Extension
 - Tokenizer PHP Extension