password encryption in PHP

 there are generally two functions used to encrypt passwords in PHP :

1.md5

2.sha1

md5

md5 is a function that is using Message-Digest algorithm to encrypt any data.

md5 provides a HEX number of 32 characters by default. 

<?php

$password="12letsmakestudydown";

$modified_password=md5($password);

echo $modified_password;

?>

output:

ed7b90fece8310a7afe1ddb4bfd4980c

sha1

sha1 is also used for password encryption. 

sha1 is meant to be more secure than the md5 algorithm.

sha1 is based on the US Secure Hash algorithm 1.

sha1 provides a HEX number of 40 characters by default. 

<?php

$password="12letsmakestudydown";

$modified_password=sha1($password);

echo $modified_password;

?>

output:

554d43411f227931a616cfd7c63c11af4671ef00