[PDF][PDF] Text Encryption by Indexing ASCII of Characters Based on the Locations of Pixels of the Image

SW Jirjees, FF Alkhalid, AM Hasan - Traitement du Signal, 2023 - researchgate.net
Accepted: 10 March 2023 Network security has recently become a major issue since the
growth of electronic data exchange so cryptography is important in protecting secure online …

Securing the integrity of PDF files using RSA digital signature and SHA-3 hash function

A Sharif, DS Ginting, AD Dias - 2021 International Conference …, 2021 - ieeexplore.ieee.org
Signatures are used on documents as written proof that the document was verified by the
person indicated. Signature also indicated that the document originated from the signer if the …