ZAI, S. A. P.; DEBI YANDRA NISKA; ZULFAHMI INDRA; KANA SAPUTRA; ADIDTYA PERDANA. Implementation of a Hybrid Cryptosystem Using ChaCha20 and ECC for Image Encryption in an Android Application . Sinkron : jurnal dan penelitian teknik informatika, [S. l.], v. 9, n. 4, p. 1988-1997, 2025. DOI: 10.33395/sinkron.v9i4.15274. Disponível em: https://jurnal.polgan.ac.id/index.php/sinkron/article/view/15274. Acesso em: 1 may. 2026.