EllisLab/CodeIgniter — pull request #2189 by kravietz (2013-01-24 12:51:00+00:00)
Title: Add integrity verification using HMAC and PKCS#7 padding to encryption routine

This series of commits adds HMAC authenticity and integrity validation to add messages encrypted using Encrypt.php library. It also removes the "permuted noise" features as it's now obsolete with HMAC and adds PKCS#7 message padding.