In the last two decades, the field of DNA-based steganography has emerged as a promising
domain to provide security for sensitive information transmitted over an untrusted channel …

Lightweight cryptography algorithms have concentrated on key generation's randomness,
unpredictable nature, and complexity to improve the resistance of ciphers. Therefore, the key …

To enhance stream ciphers, numerous studies have concentrated on the randomness,
unpredictable nature, and complexity of keystream. Numerous stream algorithms have been …

The secrecy of various forms of multimedia data constitutes a significant aspect of the
cybersecurity field. In this case, chaos-based image ciphers can be adapted. Chaotic image …

Genome steganography has emerged as a promising field for transmitting large amounts of
data over an untrusted channel in the last two decades. DNA has many advantages over …

Data security is considered as one of the prime concern for every communication systems.
Cryptography has come up as a resolution which plays a dynamic role in data security …

Cryptography is an essential topic for modern digital systems. In the past two decades,
FPGA-based encryptions has proved to be effective. Through this project, we explore a …

Symmetric and asymmetric encryption methods are used when a web browser is used to
reply to emails, submit website forms, and perform similar activities. Key size is essential to …

In this thesis, we propose zero-knowledge proof protocols based on three types of
cryptosystems. Transmitting encrypted or unencrypted messages through both parties, it …