Security+Issues

=Security Issues=

MD5 Encryption
$hashed_password = md5($password)

md5 encryption is available with PHP 4 or later. This creates a 32 character-long string for the password text. It is an RSA data security message digest algorhythm.

RSA Data Security
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SHA1 Encryption
Considered more secure than md5. This creates a 40 character-long hexidecimal number. It is available with PHP 4.3 or later. It is not strong enough encryption for government purposes, though.

SHA Hash Functions
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Hashing Functions
Available in PHP 5.1.2 (check out PHP manual) called hash

=Information about Security Issues=

Hash Chain
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CRAM-MD5
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WhiteHat Website Security Report (2007)
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Cross-site Scripting
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