Innovation Award
March 2009
Number 10 |
Data protection by using encryption may often be broken when the encryption keys are weak.
Usually the problem is that either the keys are well known words found in dictionaries, or are simple combination of dictionary words with simple numbers or other words also found in dictionaries.
This class provides a simple solution to improve security of encrypted data by appending an hard to guess hash data to the key, so the actual encryption key is never smaller than a given limit length.
Manuel Lemos |
This class can be used to encrypt and decrypt data using mcrypt.
It takes a given key to encrypt data and checks if it is within the allowed length range.
The key is padded salt string if necessary to make sure that the actual encryption key always has the maximum length.
The class uses the key to either encrypt or decrypt data with PHP mcrypt encryption functions.
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