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; } ?>
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, C. (1973a, January 22). Nescafé packaging research in Ireland for Nestle's Ltd.. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/nescaf-packaging-research-in-ireland-for-nestle-s-ltd-
, C. (1973a, June 01). Hot and cold packs . ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/hot-and-cold-packs-
, C. (1973a, October 01). Plans for 'brainstorming' session with Ciba-Geigy executives. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/plans-for-brainstorming-session-with-ciba-geigy-executives
, C. (1974a, February 03). Guinness competitive advertising evaluation. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/guinness-competitive-advertising-evaluation
, C. (1974a, January 11). Research report on body lotion. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/research-report-on-body-lotion
, C. (1974a, May 03). Qualitative research among Silk Cut smokers, 'diluters' and rejector . ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/qualitative-research-among-silk-cut-smokers-diluters-and-rejector-
, C. (1975a, July 07). Qualitative assessment of alternative main-benefit expressions for Three Wishes beauty soap. ANA - ESOMAR. Retrieved March 31, 2023, from
, C. (1969a, September 01). Research on Lucozade labels in Eire. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/research-on-lucozade-labels-in-eire
, A. (2012a, December 01). Revue Française du Marketing (Décembre 2012). ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/revue-fran-aise-du-marketing-d-cembre-2012-