Shareef OSF, Sagheer AM. Improved Certificate-Based Encryption Scheme in the Big Data: Combining AES and (ECDSA – ECDH). IHJPAS [Internet]. 2021 Jun. 1 [cited 2025 Mar. 14];2021(IHICPAS):83-96. Available from: https://jih.uobaghdad.edu.iq/index.php/j/article/view/2655