Cryptography,.Quantum-safe Cryptography& Quantum Cryptography
Dive into the world of cryptography, quantum-safe cryptography, and quantum technology as discussed in Maurizio D. Cina's presentation at CYBERDAYS in Prato. Topics include current cryptosystems, post-quantum cryptography, quantum key distribution, and future cryptosystems based on quantum algorithm
5 views • 17 slides
Introduction to Cryptography: Basics, Terminology, and Significance
Cryptography is the study of techniques used for secure communication, involving creating programs to protect private messages. This overview covers the history, terminology, and significance of cryptography. Explore the basics, cyphers, and the importance of encryption in safeguarding sensitive dat
4 views • 15 slides
Understanding Security Threats and Public-Key Cryptosystems
Explore the world of security threats, passive and active attacks, and the importance of asymmetric encryption through the terminology related to asymmetric encryption, public-key cryptosystems, and public-key cryptography. Learn about the key components of public-key encryption schemes and the proc
0 views • 46 slides
The Fascinating World of Cryptography
Cryptography is the art of concealing messages to ensure information security, involving processes like encryption and cryptanalysis. Explore the history of cryptography from ancient civilizations to modern-day techniques like steganography. Witness the evolution of coding methods and machines that
0 views • 14 slides
Introduction to RSA Cryptography and Public Key Encryption
Explore the fundamentals of RSA cryptography and public key encryption, including shift ciphers and affine ciphers. Learn how public key encryption solves the challenges of implementing secure communication on a large scale. Discover the key components of RSA, its development history, and the mathem
2 views • 37 slides
Formal Verification of Quantum Cryptography by Dominique Unruh
Explore the significance of formal verification in quantum cryptography as discussed by Dominique Unruh from the University of Tartu. Understand the challenges, motivations, and current work in verifying quantum crypto protocols, and the potential impact of quantum computers on common encryption met
0 views • 25 slides
Key Management and Distribution Techniques in Cryptography
In the realm of cryptography, effective key management and distribution are crucial for secure data exchange. This involves methods such as symmetric key distribution using symmetric or asymmetric encryption, as well as the distribution of public keys. The process typically includes establishing uni
1 views • 27 slides
Introduction to Public Key Cryptography
Public key cryptography, exemplified by algorithms like Diffie-Hellman and RSA, revolutionizes secure communication by allowing users to encrypt messages with public keys known to all and decrypt them with private keys known only to the intended recipient. This advanced encryption method ensures sec
1 views • 44 slides
Evolution of Cryptography: From Ancient Techniques to Modern Security Mechanisms
Explore the evolution of cryptography from ancient techniques like the Caesar Cipher to modern security mechanisms like SSL, SSH, and IPSec. Learn how cryptography plays a crucial role in ensuring confidentiality, integrity, authentication, non-repudiation, and availability in network security. Disc
1 views • 62 slides
Introduction to Cryptography, Cryptanalysis, and Cryptology
Cryptography involves protecting information by encrypting and decrypting data, while cryptanalysis focuses on breaking encryption methods to access hidden messages. Cryptology encompasses both cryptography and cryptanalysis. Encryption encodes messages to prevent unauthorized access, while decrypti
0 views • 12 slides
Exploring Cloud Cryptography for Secure Data Processing
Cloud cryptography is a vital aspect of data security in cloud computing, allowing data to be encrypted and processed securely. This presentation delves into the concepts of cloud cryptography, homomorphic encryption, and the two types of homomorphic encryption - hybrid and partial. It discusses the
8 views • 17 slides
Understanding Cryptography in the Digital World
Uncover the world of cryptography with a focus on digital advancements, emphasizing the importance of rules in society. Delve into the history of secret communication, code design, and breaking. Explore the rise of cryptocurrencies, digital banking, and blockchain technologies, such as Bitcoin and E
0 views • 12 slides
RSA Algorithm in Public-Key Cryptography
The RSA algorithm is a crucial public key cryptography method used for key exchange, digital signatures, and data encryption. It involves generating public-private key pairs using prime numbers, encryption with the public key, and decryption with the private key. The algorithm's strength lies in the
0 views • 5 slides
Exploring the World of Quantum Money and Cryptography
Delve into the realm of quantum money, computation, and cryptography, understanding the intricacies of semi-quantum money, consensus problems, post-quantum cryptography, and unique concepts like certifiable randomness and tokenized digital signatures.
6 views • 30 slides
Overview of Basic Security Properties and Cryptography Fundamentals
This content provides an introduction to basic security properties such as confidentiality, authenticity, integrity, availability, non-repudiation, and access control. It also covers the fundamentals of cryptography, including symmetric and asymmetric encryption, public-key cryptography, and the imp
1 views • 41 slides
Introduction to Cryptography: The Science of Secure Communication
Cryptography is the study of methods for sending and receiving secret messages securely. This lecture explores the application of number theory in computer science, focusing on the design of cryptosystems like public key cryptography and the RSA cryptosystem. The goal of cryptography is to ensure th
0 views • 53 slides
Post-Quantum Cryptography Security Proofs and Models Overview
Explore the various aspects of post-quantum cryptography security, including evaluation criteria, building public key cryptography (PKC) systems, security proofs, digital signatures, and reduction problems. Dive into topics such as performance, cryptanalysis, provable security, standard models, exis
0 views • 42 slides
Understanding Public-Key Cryptography and Its Applications
Public-Key Cryptography revolutionized secure communication by introducing the concept of using separate keys for encryption and decryption. Initially explored by researchers like Diffie, Hellman, and Merkle in the 70s, it addressed key distribution challenges faced by symmetric cryptography. This m
0 views • 34 slides
Foundations of Cryptography: MIT Course Overview and Key Concepts
Explore the MIT course "Foundations of Cryptography" offering insights on cryptography, key themes like adversarial thinking and computational hardness, historical context, and the significance of security proofs via reductions. Learn about the course staff, topics covered, and intellectual origins
1 views • 33 slides
Exploring Post-Quantum Cryptography and Constructive Reductions
Delve into the realm of post-quantum cryptography through an insightful journey of constructive reductions, rethinking cryptography assumptions, and the relationship between classical and post-quantum regimes. Discover the challenges, advancements, and goals in the quest for durable cryptographic al
1 views • 21 slides
Understanding Cryptography: Basic Concepts in Number Theory and Divisibility
This text delves into the fundamental concepts of number theory, divisibility, and finite fields essential for understanding cryptography. It covers topics such as divisibility, properties of divisibility, the division algorithm, the Euclidean algorithm for determining the greatest common divisor, a
0 views • 35 slides
Key Principles in Cryptography: Kerckhoff's and Key Space
Understanding fundamental principles in cryptography, including Kerckhoff's principle, key space requirements, and the importance of secure private-key encryption. Exploring the Shift Cipher's security, key space size considerations, and the need for heuristic constructions for proving scheme securi
0 views • 51 slides
Key Distribution and Management in Cryptography
This presentation discusses key distribution and management in cryptography, covering symmetric and asymmetric key cryptography, methods for sharing symmetric and public keys, as well as key distribution techniques such as manual delivery, initial key distributions, and the use of trusted third part
0 views • 30 slides
Overview of Modern Cryptography and Data Encryption Standard (DES)
Exploring modern cryptography including symmetric key block ciphers, public key ciphers, stream ciphers, and post-quantum ciphers. Focus on Data Encryption Standard (DES), Simplified DES, Feistel cipher, key schedule, expansion function, S-Box, DES encryption, and decryption processes.
0 views • 37 slides
Exploring Public-Key Cryptography and Ancient Mathematical Techniques
Delve into the fascinating world of public-key cryptography, where the convergence of prime numbers and inverse functions plays a pivotal role in ensuring secure communication. From the history of math to contemporary applications, discover how encryption and decryption transform messages to keep th
1 views • 21 slides
Understanding Public Key Cryptography in Network Security
Explore the concepts of public key cryptography, key distribution challenges, solutions to secret key schemes, and the importance of secure communication in network security. Learn about cryptology, cryptography, cryptanalysis, block ciphers, stream ciphers, and more in this informative content.
0 views • 21 slides
Overview of Public-Key Cryptography and Knapsack Problem in Cryptology
This lecture delves into the realm of public-key cryptography, including the Knapsack one-way function and the Merkle-Hellman Crypto System. It explores historical perspectives, the concepts of OWFs, Elliptic Curve Cryptography, and introduces new algebra using additive groups over Elliptic Curves.
0 views • 16 slides
Efficient Verified Cryptography in F* by Jean-Karim Zinzindohou
Explore the importance of cryptography verification in F* through Jean-Karim Zinzindohou's joint work with Karthik Bhargavan. Discover the significance of verifying crypto, static guarantees provided, and examples like elliptic curve cryptography. Delve into F* as a rich ML-like language for secure
0 views • 38 slides
Cache Attack on BLISS Lattice-Based Signature Scheme
Public-key cryptography, including the BLISS lattice-based signature scheme, is pervasive in digital security, from code signing to online communication. The looming threat of scalable quantum computers has led to the development of post-quantum cryptography, such as lattice-based cryptography, whic
0 views • 13 slides
Lightweight Cryptography: Key-Reduced Variants and Beyond-Birthday-Bound Security
Lightweight cryptography has emerged as a hot research topic in the past two decades, with over 60 ciphers proposed. This includes examples like PRESENT, GIFT, SIMON/SPECK, and more. Authenticated encryption through CAESAR and NIST LWC plays a vital role, with ASCON and ACORN leading the lightweight
0 views • 25 slides
Cryptographic Center in Novosibirsk: Advancements in Cryptography and Research
The Cryptographic Center in Novosibirsk, established in 2011, focuses on advancing cryptography through research, education, and international collaborations. With a team of researchers and students, the center explores various aspects of cryptography, including cryptographic Boolean functions, ciph
0 views • 33 slides
Key Exchange and Public-Key Cryptography Overview
Explore the challenges of key management, the use of trusted third parties in generating shared keys, the limitations of toy protocols in secure key exchange, and the evolution of public-key cryptography techniques like Merkle Puzzles, Diffie-Hellman, and RSA. Learn how to achieve secure key exchang
0 views • 36 slides
Post-Quantum Cryptography: Safeguarding Secrets in the Digital Age
Delve into the realm of post-quantum cryptography and learn about the evolving landscape of secure communication. Explore topics such as Supersingular Isogeny Graphs, Ring-Learning With Errors, and the significance of key exchange in maintaining confidentiality. Discover the foundations of public ke
0 views • 39 slides
Exploring Unclonable Cryptography: Definitions and Limitations
Delve into the world of unclonable cryptography, understanding new definitions, constructions, and limitations. Discover the unique properties that set unclonable encryption apart from classical cryptography and explore its practical applications.
0 views • 16 slides
Understanding RSA Public-key Cryptography in Data Encryption
Exploring the foundational concepts of RSA public-key cryptography and its applications in data encryption. Learn how messages can be encoded, transmitted securely, and decoded using encryption and decryption functions. Discover the significance of picking large primes and understanding the bijectio
1 views • 12 slides
Crack the Code: The Fascinating World of Cryptography
Discover the intriguing world of cryptography through a journey into the history and methods of code-making and code-breaking. Uncover the importance of codes in everyday life, from book ISBNs to encrypted internet data, and learn about classic techniques like Caesar shifts. Test your skills by deco
0 views • 4 slides
Understanding Cryptographic Protocols and Key Exchange
This content delves into the world of cryptographic protocols, discussing the importance of security measures such as symmetric cryptography, hash functions, and public-key cryptography. It explores the field's various studies, goals, Diffie-Hellman key exchange, and the significance of key size in
0 views • 28 slides
Introduction to Lattice-Based Cryptography and Linear Equations Solving
Explore the fundamentals of lattice-based cryptography and the significance of solving linear equations in cryptography. Learn about the exponential hardness and quantum resistance of lattice-based crypto, as well as the challenges and techniques involved in solving linear equations with various str
2 views • 29 slides
Understanding Multivariate Cryptography Schemes
Multivariate cryptography involves systems of polynomial equations, with public keys based on polynomial functions. GeMSS and Rainbow are discussed, highlighting their design features and vulnerabilities. The Butterfly Construction method in multivariate schemes constructs public keys using easily i
0 views • 33 slides
New Directions in Cryptography: Harta Dwijaksara, Yi Jae Park
Explore the world of cryptography through this comprehensive guide covering topics such as conventional cryptography, public key cryptography, one-way authentication, trap doors, computational complexity, and more. Learn about the importance of privacy in communications and the key principles behind
0 views • 20 slides