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Questions and answers categorized in: Cybersecurity > EITC/IS/CCF Classical Cryptography Fundamentals > Introduction to public-key cryptography

What is the parameter t of the extended eulers algoritm?

Tuesday, 06 August 2024 by Emmanuel Udofia

The parameter in the context of the Extended Euclidean Algorithm is a important component used primarily to find the multiplicative inverse of integers in modular arithmetic, which is a foundational concept in public-key cryptography. To understand the role and significance of , it is essential to consider the mechanics of the Extended Euclidean Algorithm and

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Cybersecurity, EUCLIDEAN ALGORITHM, Extended Euclidean Algorithm, Modular Arithmetic, Number Theory, RSA

What is an extended eulers algorithm?

Tuesday, 06 August 2024 by Emmanuel Udofia

The Extended Euclidean Algorithm is a fundamental mathematical tool in the field of number theory, which finds extensive application in public-key cryptography. It is an enhancement of the classical Euclidean Algorithm, which is used to compute the greatest common divisor (GCD) of two integers. The extended version not only computes the GCD but also finds

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Cybersecurity, EUCLIDEAN ALGORITHM, Extended Euclidean Algorithm, Number Theory, Public Key Cryptography, RSA

What is an extended eulers algorithm?

Tuesday, 06 August 2024 by Emmanuel Udofia

The Extended Euclidean Algorithm is an extension of the classical Euclidean Algorithm, which is primarily used for finding the greatest common divisor (GCD) of two integers. While the Euclidean Algorithm is efficient for determining the GCD, the Extended Euclidean Algorithm goes a step further by also finding the coefficients of Bézout's identity. These coefficients are

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Bézout's Identity, Cybersecurity, Extended Euclidean Algorithm, Modular Inverse, Number Theory, Public Key Cryptography, RSA

What is an extended eulers algorithm?

Tuesday, 06 August 2024 by Emmanuel Udofia

The Extended Euclidean Algorithm is a powerful tool in number theory with significant applications in public-key cryptography, particularly in the domain of classical cryptography fundamentals. An understanding of this algorithm is important for grasping the intricacies of key generation and encryption processes in public-key cryptography systems. Euclidean Algorithm Before delving into the extended version, it

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Cybersecurity, EUCLIDEAN ALGORITHM, Extended Euclidean Algorithm, Number Theory, Public Key Cryptography, RSA

What is eulers algorithm

Tuesday, 06 August 2024 by Emmanuel Udofia

Euler's algorithm, in the context of number theory and public-key cryptography, primarily refers to the Euler's Totient Function (also known as Euler's Phi Function) and Euler's Theorem. These concepts are fundamental in the field of classical cryptography, particularly in the RSA encryption algorithm, which is a widely used public-key cryptosystem. Euler's Totient Function (Phi Function)

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Cybersecurity, EUCLIDEAN ALGORITHM, Euler's Theorem, Number Theory, Public Key Cryptography, RSA

What does Eulers theorem states?

Tuesday, 06 August 2024 by Emmanuel Udofia

Euler's theorem is a fundamental result in number theory, which has significant implications in the field of public-key cryptography. Named after the Swiss mathematician Leonhard Euler, this theorem provides a powerful tool for understanding the properties of integers and their relationships under modular arithmetic. Euler's theorem states that for any two coprime integers and ,

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Cybersecurity, Euler's Totient Function, Modular Arithmetic, Number Theory, Public Key Cryptography, RSA

What does Eulers theorem states?

Tuesday, 06 August 2024 by Emmanuel Udofia

Euler's Theorem is a fundamental result in number theory with significant implications in the field of public-key cryptography, particularly in the RSA encryption algorithm. This theorem is named after the Swiss mathematician Leonhard Euler and is closely related to Euler's Totient Function, often denoted as φ(n). Euler's Theorem states that for any integer and that

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Cybersecurity, Euler's Totient Function, Modular Arithmetic, Number Theory, Public Key Cryptography, RSA

Are public keys transferred secretly in RSA?

Monday, 05 August 2024 by Emmanuel Udofia

The RSA cryptosystem, named after its inventors Rivest, Shamir, and Adleman, is a cornerstone of public-key cryptography. It is widely used to secure sensitive data transmitted over the internet. One of the most intriguing aspects of RSA is its use of a pair of keys: a public key, which can be shared openly, and a

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, The RSA cryptosystem and efficient exponentiation
Tagged under: Cybersecurity, Decryption, Encryption, Key Generation, Public Key Cryptography, RSA

How many keys are used by the RSA cryptosystem?

Monday, 05 August 2024 by Emmanuel Udofia

The RSA cryptosystem, named after its inventors Rivest, Shamir, and Adleman, is a widely utilized form of public-key cryptography. This system fundamentally revolves around the use of two distinct but mathematically linked keys: the public key and the private key. Each of these keys plays a critical role in the encryption and decryption processes, ensuring

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, The RSA cryptosystem and efficient exponentiation
Tagged under: Cryptography, Cybersecurity, Decryption, Encryption, Key Generation, Modular Arithmetic, Prime Numbers, Private Key, Public Key, RSA, Security

Can a public key be used for authentication?

Monday, 05 August 2024 by Emmanuel Udofia

Public key cryptography, also known as asymmetric cryptography, is a foundational element in modern cybersecurity. It involves the use of two distinct keys: a public key and a private key. These keys are mathematically related, yet it is computationally infeasible to derive the private key solely from the public key. This property is important for

  • Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, Introduction to public-key cryptography, Number theory for PKC – Euclidean Algorithm, Euler’s Phi Function and Euler’s Theorem
Tagged under: Authentication, Cybersecurity, Digital Signatures, PKI, Public Key Cryptography, RSA
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