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<?php function insecureEncryptDoNotUse(string $plaintext, string $key): string { return \bin2hex( \openssl_encrypt( $plaintext, 'aes-128-ecb', $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING ) ); } $key = str_repeat("3.14", 4); var_dump(insecureEncryptDoNotUse('YELLOW SUBMARINE', $key)); var_dump(insecureEncryptDoNotUse('ORANGE SUBMARINE', $key)); var_dump(insecureEncryptDoNotUse('YELLOW SUBMARINE' . 'ORANGE SUBMARINE', $key));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Call to undefined function openssl_encrypt() in /in/t6TmH:6 Stack trace: #0 /in/t6TmH(17): insecureEncryptDoNotUse('YELLOW SUBMARIN...', '3.143.143.143.1...') #1 {main} thrown in /in/t6TmH on line 6
Process exited with code 255.

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