What is Joomla 2.5 Password Encryption method?

What is Joomla 2.5 Password Encryption method?

References

Reference NO 1

http://stackoverflow.com/questions/13640001/what-is-joomla-2-5-password-encryption-method

Reference NO 2

http://stackoverflow.com/questions/2727043/using-php-to-create-a-joomla-user-password

Reference NO 3

http://forum.joomla.org/viewtopic.php?t=207689

Reference NO 4

http://www.ostraining.com/blog/joomla/encrypt-any-password-in-joomla-using-md5/

Reference NO 5

http://anvyst.com/blog/2013/01/25/joomla-2-5-x-generating-password-hash/

Reference NO 6

https://groups.google.com/d/topic/joomla-dev-cms/mzb0utUj0wg

Reference NO 7

http://www.subclosure.com/generate-new-joomla-1-5-md5salt-encrypted-passwords-to-store-in-database.html

Reference NO 8

http://www.ratmilwebsolutions.com/downloads/encryption-configuration.html