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php Programming Glossary: key_lengthhttp://stackoverflow.com/questions/19732387/password-hashing-in-2013 Higher is better but slower. Recommended At least 1000. key_length The length of the derived key in bytes. raw_output If true the.. in raw binary format. Hex encoded otherwise. Returns A key_length byte key derived from the password and salt. Test vectors can.. shadow.com function pbkdf2 algorithm password salt count key_length raw_output false algorithm strtolower algorithm if in_array..
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