Cryptographic technology - PowerPoint PPT Presentation

This lecture explores the connection between computational complexity and cryptography, focusing on topics like pseudorandom functions, public-key cryptography, and learning from Gaussians. It delves into the implications of cryptographic reductions, lower bounds for learning MLPs, and the existence

3 views • 22 slides

Cryptographic data integrity algorithms ensure data integrity, verifying data received matches what was sent by authorized entities. Cryptographic hash functions play a crucial role in ensuring data integrity through hash values. Applications include message authentication, digital signatures, and v

7 views • 41 slides

Cryptographic hash functions play a crucial role in ensuring data integrity and security. This course at Mustansiriyah University's Faculty of Engineering covers the SHA-512 algorithm and its applications in various fields such as message authentication, digital signatures, and intrusion detection.

2 views • 6 slides

Introduction to security goals such as privacy, data integrity, authentication, authorization, and availability, along with the usage of cryptographic algorithms like symmetric and asymmetric key algorithms, keyed hashing, and digital signatures for achieving different security objectives in communi

2 views • 13 slides

This presentation discusses the critical aspect of ensuring high-quality randomness in cryptographic key generation processes. It explores key vulnerabilities and common failure modes, emphasizing the importance of incorporating strong randomness. The content delves into various methods and issues r

2 views • 45 slides

Cryptographic hash functions play a crucial role in various aspects of security, including integrity protection, checksum generation, password hashing, digital signatures, and more. They are designed to efficiently convert input data of arbitrary length into fixed-length output, aiding in tasks like

3 views • 32 slides

Advanced cryptographic techniques such as XMSS and SPHINCS+ are critical for ensuring secure digital signatures in a post-quantum world. This project focuses on improving the security and verification processes of XMSS and SPHINCS+ using machine-checked methods, aiming to enhance trust in these cruc

4 views • 17 slides

Explore the world of cryptographic algorithms and hash collisions. Learn about various hashing algorithms like MD5, SHA-1, SHA-256, and more. Dive into the concepts of symmetric and asymmetric key algorithms and understand the risks associated with hash collisions. Discover the implications of post-

5 views • 58 slides

The 5th Franco-Japanese Cybersecurity Workshop concluded with insightful discussions on key areas such as IoT security, AI, hardware security, and supply chain security. The steering committee members shared plans for the 6th workshop in France, emphasizing policy discussions and cross-cutting issue

1 views • 18 slides

Quantum computing utilizes the principles of quantum mechanics to process information exponentially faster than classical computers. This advancement poses a significant threat to current cryptographic systems, especially those reliant on factors like RSA and Diffie-Hellman key exchange. If large-sc

4 views • 25 slides

Blockchain technology serves as a decentralized and cryptographic Trusted Third Party (TTP) by enhancing trust, immutability, and censorship resistance in transactions. By distributing trust and utilizing cryptographic protocols, blockchain mitigates the need for a centralized authority, offering a

0 views • 30 slides

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

2 views • 33 slides

Development of a cryptographic authentication toolkit for web application developers. Discusses modular exponentiation, digital signatures, elliptic curve cryptography, and the importance of DSA in providing secure authentication. Aims to offer both classical and elliptic curve cryptographic solutio

0 views • 22 slides

Legislation regarding cryptographic safety valves is impending, with potential implications on privacy and security. Matt Tait discusses the need to analyze risks and consequences, emphasizing the importance of transparent and secure safety valves. The debate surrounds decryption requirements for da

3 views • 17 slides

Cryptographic multilinear maps (MMAPs) enable computations on encoded secret data, offering similarities to fully homomorphic encryption (FHE) while providing distinct features. MMAPs find applications in identity-based encryption, non-interactive zero-knowledge proofs, and more. The evolution of MM

2 views • 45 slides

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

5 views • 28 slides

This research work focuses on presenting new assumptions for achieving chosen ciphertext security in public key encryption. The study aims to clarify the necessary and sufficient assumptions to realize general cryptographic primitives, particularly focusing on CCA secure PKE and KEM. The ultimate go

0 views • 27 slides

This work discusses the scalable cryptographic authentication approach developed by Andrew Prout and team for high-performance computing. The LLGrid system architecture, challenges with interactive supercomputing, and utilization of LLGrid for various computing tasks are explored, highlighting the i

0 views • 34 slides

Cryptographic hashing involves converting data into fixed-size values for secure storage and verification purposes. It plays a vital role in data security, ensuring integrity and confidentiality. This article explores hashing algorithms, applications, collisions, and the best practices for storing s

3 views • 24 slides

This comprehensive guide delves into the practical applications of hash-based signatures, exploring implementations with XMSS, AES, SHA-2, and other cryptographic algorithms. The content covers XMSS implementations in C, smartcard setups, PRF and hash functions from AES and SHA-2, as well as compari

2 views • 8 slides

In lecture 22 of MIT's Foundations of Cryptography series, delve into advanced cryptographic concepts and techniques. From modern encryption algorithms to cryptographic protocols, this lecture offers profound insights to enhance your cryptographic knowledge and understanding. Explore cutting-edge to

3 views • 46 slides

Bitcoin provides a level of anonymity through its decentralized nature, allowing users to transact without the need for traditional banking methods. However, it does not offer complete anonymity. Cryptographic hash functions play a crucial role in securing Bitcoin transactions by ensuring data integ

0 views • 22 slides

Delve into the realm of cryptography with a comprehensive overview of techniques and protocols for ensuring secure communication channels. Explore the concepts of authentication, confidentiality, integrity, and availability. Uncover the tools and methodologies used in building cryptographic schemes

1 views • 26 slides

Cryptography is a mathematical method used to protect information in modern computing. This course covers cryptographic primitives such as hash functions, symmetric and asymmetric encryption, digital signatures, and their applications. Learn about the importance of cryptographic hash functions, usin

4 views • 19 slides

This presentation covers essential concepts of secure hashing, digital signatures, and secret sharing in information security. It discusses the motivation behind using hash functions, properties they must satisfy, examples like HMAC, and the importance of cryptographic hash functions. The content ex

3 views • 46 slides

In this content, the concepts of cryptographic signatures are explored, covering topics such as the hash and sign paradigm, the vulnerabilities of plain RSA signatures, RSA-FDH, and ECDSA (used in Bitcoin). The content delves into signature schemes, security definitions, threat models, and formal de

2 views • 38 slides

Cryptographic hashing is a key concept in data security, ensuring data integrity and authenticity. Learn about the properties of good cryptographic hashes, the difference between encryption and hashing, and delve into the specifics of SHA-1, its collisions, and processing of original messages. Under

0 views • 39 slides

Delve into the cryptographic complexity of the worst functions with expert insights from Amos Beimel, Yuval Ishai, Ranjit Kumaresan, and Eyal Kushilevitz. Explore the models, security considerations, and advancements in secure computation within information-theoretic frameworks. Understand the chall

2 views • 46 slides

Explore the key concepts of modern cryptography including adversaries, cryptographic algorithms, computational strength of adversaries, and practical attacks. Learn about the requirements and principles of cryptographic algorithms for secure communication. Discover how cryptography protects informat

1 views • 51 slides

Explore the combination of RSA and Walsh Transform in a hybrid cryptographic algorithm presented at the CAPCD-8th Conference. Learn about the significance of cryptography from ancient times to modern applications, including the RSA algorithm's strengths and limitations. Discover the role of Rademach

3 views • 19 slides

Delve into the realm of cryptographic hash functions, blockchain technology, digital signatures, and more. Explore the concepts of centralization versus decentralization, hash accumulators, Merkle trees, and the significance of hash pointers in data structures like blockchain.

3 views • 18 slides

Explore new notions and constructions in public key crypto-systems, leakage resilience, related-key attack PKE, and idealized models for cryptographic primitives such as hash functions, random oracles, and more. Learn about the concept of Ideal NIKE and the Indifferentiability Framework in the conte

7 views • 20 slides

This overview explores cryptographic techniques, including cryptography, cryptographic protocols, key distribution, and the essentials of secure communication channels. It discusses the significance of authentication, confidentiality, integrity, and availability in maintaining secure channels. The c

3 views • 61 slides

Learn about the progress and updates on the NIST Cryptographic Standards project, including the status of submissions, first-round candidates, and standardization guidelines for post-quantum cryptographic technology. Stay informed on the latest developments in cryptography from NIST.

3 views • 13 slides

This text discusses the construction and core functions of the Salsa20 and ChaCha cryptographic algorithms, highlighting their design principles, input parameters, and similarities in structure and operation. Salsa20, a family of flow-through cryptographic algorithms, was designed by Daniel J. Berns

2 views • 21 slides

This discussion delves into the construction of cryptographic algorithms Salsa20 and ChaCha, presenting insights into their designs, functions, and key components. Salsa20, part of the eSTREAM competition, is explored for its flow-through structure while ChaCha's unique composition and core function

0 views • 15 slides

Explore AGMOS, ideal models, and criticisms in the realm of cryptographic groups. Understand the significance of oblivious sampling and spurious knowledge assumptions in cryptographic design.

0 views • 15 slides

Discover the key concepts of cryptographic hashing, the properties of good cryptographic hashes, and insights into SHA algorithms such as SHA-1, SHA-2, and SHA-3. Learn about collisions, message padding, and the security features of SHA-256.

3 views • 39 slides

Explore a Ph.D. dissertation defense on cryptographic protocols for RFID tags, focusing on lightweight authentication, scalability, and preventing DoS attacks. Discover the security threats faced by RFID technology and innovative solutions against them.

0 views • 60 slides

Explore the concepts of cryptographic hashing, the properties of good cryptographic hashes, and the significance of SHA (Secure Hash Algorithm) in ensuring data integrity and security. Learn about the distinction between encryption and hashing, the practical applications of cryptographic hashing, an

1 views • 38 slides