Research in quantum cryptography

Physics
Thread starter DiracRules
Start date Nov 2, 2011
Tags

Cryptography Quantum Research

In summary, quantum cryptography is a branch of cryptography that uses the principles of quantum mechanics to secure communication. It differs from classical cryptography in that it relies on physical laws rather than mathematical algorithms. Quantum cryptography ensures secure communication by generating a random quantum key to encrypt messages. Potential applications of quantum cryptography include secure communication in various industries and enhanced security for cloud computing and IoT devices. However, there are challenges in developing practical and scalable systems, as well as addressing vulnerabilities and attacks on protocols.

Nov 2, 2011

DiracRules

Hello!
I'm an undergraduate in physics engineering student who's thinking about his future. I would like to work in the field of quantum cryptography or communication with light, or -more or less- to do the same kind of research as Anton Zeilinger.

Which kind of MSc and PhD should I take and what are the prospectives in that field?

Physics news on Phys.org

Nov 8, 2011

phys_student1

Check out this, I am sure it will help:

http://iqc.uwaterloo.ca/

1. What is quantum cryptography?

Quantum cryptography is a branch of cryptography that uses the principles of quantum mechanics to secure communication. It involves the use of quantum properties, such as entanglement and superposition, to generate and distribute cryptographic keys that are virtually impossible to intercept or decipher.

2. What is the difference between classical cryptography and quantum cryptography?

Classical cryptography relies on mathematical algorithms and techniques to secure communication, while quantum cryptography uses the principles of quantum mechanics to generate and distribute cryptographic keys. Quantum cryptography offers a higher level of security as it is based on the laws of physics rather than mathematical assumptions.

3. How does quantum cryptography ensure secure communication?

Quantum cryptography uses the principles of quantum mechanics to ensure secure communication. The process involves generating a random string of bits, known as a quantum key, using quantum properties such as superposition and entanglement. This key is then used to encrypt the message, making it virtually impossible for an eavesdropper to intercept or decipher the message without being detected.

4. What are the potential applications of quantum cryptography?

Quantum cryptography has potential applications in secure communication for industries such as banking, government, and military. It can also be used for secure data transmission in the healthcare and telecommunications sectors. Additionally, quantum cryptography has the potential to enhance security in cloud computing and internet of things (IoT) devices.

5. What are the current challenges in quantum cryptography research?

One of the main challenges in quantum cryptography research is the development of practical and scalable systems that can be implemented for real-world applications. Another challenge is the high cost and complexity of implementing quantum cryptography systems. Additionally, there is a need for further research to address potential vulnerabilities and attacks on quantum cryptography protocols.