Chilkat PHP Extension on MacOSX Catalina with SIP (System Integrity Protection)

Mac OS X 10.11 El Capitan and later protects system files and processes with a new feature named System Integrity Protection. SIP is a kernel-level feature that limits what the “root” account can do.   It will prevent you from copying the Chilkat PHP shared lib (.so) to the PHP extensions …

PHP dl() function?

Question: My developer tells me that the Chilkat extension uses an insecure function dl(), which has not only been deprecated since PHP 5.3, but has actually been removed from some server installations of PHP, due to major security issues. Is this something that you’re aware of? Is there a workaround? …

PHP Three-Key Triple-DES (3DES) Test Vector

This post provides PHP sample code for matching a test vector (known answer test). 3DES Settings: ECB Mode 192-bit key (i.e. 3 8-bit keys) ASCII Key Bytes: 1234567890123456ABCDEFGH ASCII Text to Encrypt: The quick brown fox jumped over the lazy dog Pads with zero bytes Hexadecimalized Encrypted Result: 13d4d3549493d2870f93c3e0812a06de467e1f9c0bfb16c0 70ede5cabbd3ca62f217a7ae8d47f2c7bf62eb309323b58b …