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. (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
, C. (1977a, January 01). Quality street pack research . ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/quality-street-pack-research-
, C. (1976a, October 01). Split Foot quantitative research into Odor Eaters. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/split-foot-quantitative-research-into-odor-eaters
Pall and Arora (2020a, November 02). Anecdotal evidence for CX/UX. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/anecdotal-evidence-for-cx-ux
, C. (1973a, April 19). Qualitative packaging research- Egg based drink. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/qualitative-packaging-research--egg-based-drink
, C. (1974a, January 03). Continental Quilts copy test. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/continental-quilts-copy-test
, C. (1974a, May 03). Qualitative research on Lyril development advertising. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/qualitative-research-on-lyril-development-advertising
, C. (1975a, October 01). Night nurse advertising research. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/night-nurse-advertising-research
, C. (1976a, December 01). 12 week follow-up to Odor Eater split foot research. ANA - ESOMAR. Retrieved March 31, 2023, from
https://ana.esomar.org/documents/12-week-follow-up-to-odor-eater-split-foot-research