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Implemetation of the protocol bb84 for encryption of a message

Daniel Fernando Urrego González

Published Jan 1, 2014• 0 citations
OpenAlex

Related papers

Implemetation of the protocol bb84 for encryption of a message

Daniel Fernando Urrego González

•Jan 1, 2014•0 citations

Eight-State BB84: A C# Simulation

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The first and best known quantum protocol BB84, whose security is unconditional allows the transmission of a key with a length equal to that of the message. This key used with an encryption algorithm leads to an unbreakable cryptographic scheme. Despite advantages the protocol still can be improved in at least two aspects: its efficiency which is of about 50%, only half of the photons transmitted are used to create the encryption key and the second aspect refers to the communication that takes place on the classic channel, as it must be reduced or even eliminated. The paper presents a method that improves the two aspects of the BB84 protocol by using quantum memory and eight states of polarization. The implementation of both the proposed method and the BB84 protocol was done through a C# application.

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Abstract This paper is all about making digital communication more secure by combining quantum technology with traditional encryption methods. Normally, we use algorithms like RSA and AES to encrypt messages, but with the increase of quantum technology, those methods might not be safe enough in the future. So, in this system, we’ve used something called the BB84 quantum cryptography key distribution protocol, when using the law of quantum physics to securely create keys for encryption. These keys are then used in RSA and AES to encrypt and decrypt messages, making the communication extremely secure. We’ve also built a simple graphical interface where users can generate keys, encrypt/decrypt messages, and even see visual graphs comparing the performance of our hybrid system with standalone AES and RSA. Overall, this paper shows how we can build a future-proof secure communication system by blending classical cryptography with quantum concepts in a practical and user-friendly way.

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Modified TLS Protocol Using BB84 Protocol and Bit Masking

Sanjai Kumar Mani, Rithvik Ravilla, Rajeswari Sridhar

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The first and best known quantum protocol BB84, whose security is unconditional allows the transmission of a key with a length equal to that of the message. This key used with an encryption algorithm leads to an unbreakable cryptographic scheme. Despite advantages the protocol still can be improved in at least two aspects: its efficiency which is of about 50%, only half of the photons transmitted are used to create the encryption key and the second aspect refers to the communication that takes place on the classic channel, as it must be reduced or even eliminated. The paper presents a method that improves the two aspects of the BB84 protocol by using quantum memory and eight states of polarization. The implementation of both the proposed method and the BB84 protocol was done through a C# application.
Abstract This paper is all about making digital communication more secure by combining quantum technology with traditional encryption methods. Normally, we use algorithms like RSA and AES to encrypt messages, but with the increase of quantum technology, those methods might not be safe enough in the future. So, in this system, we’ve used something called the BB84 quantum cryptography key distribution protocol, when using the law of quantum physics to securely create keys for encryption. These keys are then used in RSA and AES to encrypt and decrypt messages, making the communication extremely secure. We’ve also built a simple graphical interface where users can generate keys, encrypt/decrypt messages, and even see visual graphs comparing the performance of our hybrid system with standalone AES and RSA. Overall, this paper shows how we can build a future-proof secure communication system by blending classical cryptography with quantum concepts in a practical and user-friendly way.