CSIS 463 – Modern Cryptography Essay: Steganography and
Applied Cryptography Assignment Yones Azzab Liberty
University
Essay: Steganography and Applied Cryptography Assignment
Yones Azzab
CSIS 463_B01
, The area of quantum cryptography is a relatively recent development that has completely
changed our understanding of communication security and sensitive data protection. With the
advent of quantum computing, traditional encryption techniques like RSA and Elliptic Curve
Cryptography (ECC) may soon become outdated. Conventional computers generally solve
complex mathematical issues with a lot of difficulty, and RSA and ECC techniques rely on that.
However, even with powerful quantum computers, a greater level of security cannot be readily
broken thanks to quantum cryptography, which makes use of the concepts of quantum
mechanics. In this essay we will be talking about the principles of quantum cryptography, the
differences between quantum cryptography and previously used methods, how quantum
cryptography has revolutionized cryptography on a whole, and the way that it affects existing
complex cryptosystems. We will also be looking at the biblical perspective on trust and security
and tie those ideas in with how quantum cryptography works.
The core principle of quantum cryptography is quantum key distribution (QKD), which uses the
behavior of quantum particles, such as photons, to securely distribute cryptographic keys
between two parties. “A QKD network consists of two or more QKD nodes interconnected by
optical fiber or free space links. The secret keys are negotiated between any pair of QKD nodes,
and then they can be delivered to multiple users in various areas for ensuring long-term
protection and forward secrecy” (Cao et al., 2022). The key advantage of QKD is that it provides
a way to detect any attempt at eavesdropping. This is due to the Heisenberg Uncertainty
Principle, which states “the position and the velocity of an object cannot both be measured
exactly, at the same time, even in theory. The very concepts of exact position and exact velocity
together, in fact, have no meaning in nature” (The Editors of Encyclopedia Britannica, 2019).
Applied Cryptography Assignment Yones Azzab Liberty
University
Essay: Steganography and Applied Cryptography Assignment
Yones Azzab
CSIS 463_B01
, The area of quantum cryptography is a relatively recent development that has completely
changed our understanding of communication security and sensitive data protection. With the
advent of quantum computing, traditional encryption techniques like RSA and Elliptic Curve
Cryptography (ECC) may soon become outdated. Conventional computers generally solve
complex mathematical issues with a lot of difficulty, and RSA and ECC techniques rely on that.
However, even with powerful quantum computers, a greater level of security cannot be readily
broken thanks to quantum cryptography, which makes use of the concepts of quantum
mechanics. In this essay we will be talking about the principles of quantum cryptography, the
differences between quantum cryptography and previously used methods, how quantum
cryptography has revolutionized cryptography on a whole, and the way that it affects existing
complex cryptosystems. We will also be looking at the biblical perspective on trust and security
and tie those ideas in with how quantum cryptography works.
The core principle of quantum cryptography is quantum key distribution (QKD), which uses the
behavior of quantum particles, such as photons, to securely distribute cryptographic keys
between two parties. “A QKD network consists of two or more QKD nodes interconnected by
optical fiber or free space links. The secret keys are negotiated between any pair of QKD nodes,
and then they can be delivered to multiple users in various areas for ensuring long-term
protection and forward secrecy” (Cao et al., 2022). The key advantage of QKD is that it provides
a way to detect any attempt at eavesdropping. This is due to the Heisenberg Uncertainty
Principle, which states “the position and the velocity of an object cannot both be measured
exactly, at the same time, even in theory. The very concepts of exact position and exact velocity
together, in fact, have no meaning in nature” (The Editors of Encyclopedia Britannica, 2019).
