Fundamentos de criptografía
Las cartas secretas de María Estuardo, reina de Escocia
Introducción a la Criptografía
Encripción y Estrategias de Ofuscación
Criptografía Clásica
Conceptos Criptográficos
Aleatoriedad
Manejo de Aleatoriedad en JavaScript
Cryptoanálisis y Seguridad de Cifrado
Seguridad Criptográfica
Criptografía Simétrica
Ciphers
Advanced Encryption Standard
Cifrar y descrifrar archivos con JavaScript
Seguridad a través de Hashes
Funciones de hash comunes
Criptografía Asimétrica
Aritmética modular en Criptotografía Asimétrica
Intercambio de llaves y el problema del logaritmo discreto
Algoritmo de Diffie-Hellman
Cifrar mensajes con el algoritmo de Deffie-Hellman.
RSA y firma digital
Implementar Algoritmo de RSA y firma digital
Criptografía de Curvas Elípticas
ECDSA y tipos de curvas
Criptografía Moderna
Infraestructura de llave pública (PKI)
Sistemas de pruebas interactivos
Computación Cuántica
Investigación en Criptografía
You don't have access to this class
Keep learning! Join and start boosting your career
If you already have an account,
What are interactive proof systems?
Interactive proof systems are an exciting technology in the field of modern cryptography. These systems, which are still under research, offer valuable properties for cryptographic applications. Unlike other systems, the aim here is not to authenticate or hide information, but to verify the veracity of a statement, such as a mathematical expression.
This methodology involves two entities: a tester and a verifier. The tester performs a complex calculation and claims to have completed it. The verifier, on the other hand, needs to make sure that the computation was carried out correctly. This process is similar to a challenge where the tester shows evidence of having performed the computation.
How do interactive testing systems work?
To understand how they work, it is useful to imagine these systems as a machine that takes a computer program and converts it into a verifiable expression by a tester. The process of transforming the program into an expression is called proof arithmetic.
Interactive proof systems depend on two fundamental cryptographic properties:
- Completeness: If the statement is true, the system must accept it.
- Soundness: If the statement is false, the system must reject it.
Although these properties seem intuitive, in the construction of these systems care must be taken not to violate them, for example, if insecure hash functions are used that could compromise the security of the system.
What are their practical applications?
These systems present a number of interesting use cases. Some of their practical applications include:
-
Secure and private electronic signatures: They allow an electronic signature to be computationally verified without revealing its public key. This increases both cryptographic security and privacy.
-
Computation outsourcing: For complex processes that require high computational capacity, computation can be delegated to more powerful machines and then use interactive systems to verify the correct performance of the computation.
-
Background checks and credit bureaus: By integrating interactive systems with public key infrastructure, background checks or financial information could be verified in a secure manner.
What is the future of interactive proofing systems?
Ongoing research in this area suggests a promising future for interactive proofing systems. Advances could improve efficiency, security and expand their applications into new fields. Over time, and as technical challenges are overcome, these technologies could become more integrated into everyday life, enhancing privacy and security in our digital interactions.
If you are interested in further exploring cryptography and its applications, interactive proofing systems are an excellent field to delve into. Future advances promise to develop even more robust and secure capabilities.
Contributions 5
Questions 0
Gracias
Want to see more contributions, questions and answers from the community?