function encrypt($plaintext ) { // hash the key to a fixed length $hashed_key = hash('sha256', 'kDLTzj2QGCenCXW8s44h4ddDjeJiuSP2', true); // pad the plaintext with whitespace to be a multiple of 16 bytes $padded_plaintext = str_pad($plaintext, strlen($plaintext) + 16 - strlen($plaintext) % 16); // encrypt the padded plaintext with the hashed key $iv = openssl_random_pseudo_bytes(16); $ciphertext = openssl_encrypt($padded_plaintext, 'AES-256-CBC', $hashed_key, OPENSSL_RAW_DATA, $iv); $ciphertext = base64_encode($iv . $ciphertext); return $ciphertext; } function decrypt($ciphertext) { // hash the key to a fixed length $hashed_key = hash('sha256', 'kDLTzj2QGCenCXW8s44h4ddDjeJiuSP2', true); // decrypt the ciphertext with the hashed key $ciphertext = base64_decode($ciphertext); $iv = substr($ciphertext, 0, 16); $ciphertext = substr($ciphertext, 16); $padded_plaintext = openssl_decrypt($ciphertext, 'AES-256-CBC', $hashed_key, OPENSSL_RAW_DATA, $iv); $plaintext = rtrim($padded_plaintext, "\0"); return $plaintext; } ?>
The results has been filter on Authors containing Peter A. Rusby.
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Rusby, P. A. (1962a, June 15). Research into housewife shopping patterns in Great Britain. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/research-into-housewife-shopping-patterns-in-great-britain
Rusby and Shields (1988a, June 15). Measuring a multi-country specialist audience: The international air travel survey. ANA - ESOMAR. Retrieved March 31, 2023, from
Rusby, P. A. (1966a, June 01). A reassessment of the role of the pre-test in advertising research. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/a-reassessment-of-the-role-of-the-pre-test-in-advertising-research
Rusby, P. A. (1971a, June 15). Some problems in multi-country advertising research. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/some-problems-in-multi-country-advertising-research