Cryptographic assumptions - PowerPoint PPT Presentation


Cryptographic Reductions and Learning in Computational Complexity

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

0 views • 22 slides


IEEE 802.11 and Bluetooth Coexistence Simulations: Assumptions and Models

This document presents simulations on the coexistence of IEEE 802.11 (Wi-Fi) and Bluetooth technologies in the 5.945GHz to 6.425GHz spectrum. It explores various assumptions and models, including spectrum usage, channelization, scenario setups for Bluetooth and Wi-Fi links, and the capabilities of b

6 views • 54 slides



Analyzing Hydrologic Time-Series for Flood Frequency Analysis

This content delves into the methods and assumptions involved in studying hydrologic time-series data for flood frequency analysis. It covers topics such as different types of assumptions, including independence and persistence, and highlights how streamflow data can be analyzed to find annual maxim

7 views • 97 slides


Understanding Economics: Definitions and Basic Assumptions

Economics is a social science that examines how individuals, businesses, and governments allocate resources to satisfy unlimited wants in the face of scarcity. It involves decision-making processes and the study of human behavior in relation to the allocation of scarce resources. Basic assumptions l

0 views • 9 slides


Overview of RF Architecture and Waveform Assumptions for NR V2X Intra-Band Operation

In the electronic meeting of 3GPP TSG-RAN-WG4, discussions were held on the RF architecture and waveform assumptions for NR V2X intra-band operation in band n79. Various options and recommendations were presented regarding RF architecture, antenna architecture, and waveform definitions for efficient

1 views • 7 slides


Understanding Cryptographic Data Integrity Algorithms

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

3 views • 41 slides


3GPP TSG-RAN WG4 Meeting #97-e Summary

The 3GPP TSG-RAN WG4 Meeting #97-e held an electronic meeting to discuss NR positioning performance requirements. Agreements were made in the first round, with discussions ongoing in the second round. The work plan focuses on performance parts based on SA testing, with a detailed WP available in the

1 views • 11 slides


Unlocking Creativity and Innovation: Lateral Thinking vs Logical Thinking

Embrace the power of lateral thinking to challenge assumptions, generate new possibilities, and break free from traditional logic. Discover how logical thinking and lateral thinking differ in their approach to problem-solving, and learn how to leverage both methods to spur creativity and innovation.

1 views • 35 slides


Key Assumptions About Human Behavior for Social Workers

Human behavior is purposeful, meaningful, driven by conscious and unconscious motives, influenced by multiple factors, and shaped by early life experiences. Social workers rely on these assumptions to understand human behavior effectively.

0 views • 6 slides


Cryptographic Hash Functions in Data Security: Mustansiriyah University Course Overview

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.

0 views • 6 slides


Understanding Diffie-Hellman Problems in Cryptography

Exploring Diffie-Hellman assumptions and problems including Computational Diffie-Hellman (CDH) and Decisional Diffie-Hellman (DDH). Discusses the difficulty of solving the DDH problem compared to CDH and discrete logarithm assumptions. Covers examples and implications of these cryptographic challeng

0 views • 6 slides


Understanding fMRI 1st Level Analysis: Basis Functions and GLM Assumptions

Explore the exciting world of fMRI 1st level analysis focusing on basis functions, parametric modulation, correlated regression, GLM assumptions, group analysis, and more. Dive into brain region differences in BOLD signals with various stimuli and learn about temporal basis functions in neuroimaging

0 views • 42 slides


Developing Strategic Thinking Skills through Comprehensive Analysis

Strategic thinking involves challenging assumptions, understanding the whole picture, and exploring new ideas. By shadowing to gather insights and understanding current workflows, barriers, and assumptions, one can develop a system view and experiment with innovative solutions to drive strategic obj

0 views • 5 slides


Alternative Depreciation Method for Modeling PPE Balance

In the context of modeling the balance of existed Property, Plant, and Equipment (PPE) for start-ups and fast-growing IT companies, the challenge lies in determining retirement rates with limited information. The approach involves making assumptions about starting retirement levels and growth rates,

4 views • 11 slides


Navigating Statistical Inference Challenges in Small Samples

In small samples, understanding the sampling distribution of estimators is crucial for valid inference, even when assumptions are violated. This involves careful consideration of normality assumptions, handling non-linear hypotheses, and computing standard errors for various statistics. As demonstra

0 views • 19 slides


Understanding Security Goals and Cryptographic Algorithms

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

0 views • 13 slides


Insights on Hardness Assumptions for Extreme PRGs

BPP=P requires certain complexity theoretical hardness assumptions. Recent advancements aim for extreme high-end PRGs based on stronger assumptions, presenting challenges in black-box proofing and loss factors. The cost of hybrid arguments for PRGs is analyzed, highlighting the need for qualitativel

2 views • 14 slides


Santa Monica College 2022-2023 Q1 Budget Update Presentation

This presentation outlines the budget update for Santa Monica College for the first quarter of 2022-2023. It covers major assumption changes, revenue assumptions, details of unrestricted and restricted general funds, including the Learning Aligned Employment Program and COVID-19 Recovery Block Grant

3 views • 15 slides


Effective Project Estimation and Communication Strategies

Learn about the importance of accurate project estimates, common estimation pitfalls, key components of estimates, documenting assumptions, typical assumptions to consider, and understanding the difference between effort and duration in project planning. Enhance your project management skills for be

0 views • 22 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


Enhancing Cryptographic Key Generation with High-Quality Randomness

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

0 views • 45 slides


Review on Wells and Consumptive Use Assumptions

This review focuses on projections and assumptions related to permit-exempt wells, growth rates, and baseline consumptive use in subbasins. Historical growth rates from 1999 to 2018 are analyzed to forecast future well connections. Growth allocation within subbasins is based on buildable lands analy

0 views • 13 slides


Enhancing Bayesian Knowledge Tracing Through Modified Assumptions

Exploring the concept of modifying assumptions in Bayesian Knowledge Tracing (BKT) for more accurate modeling of learning. The lecture delves into how adjusting BKT assumptions can lead to improved insights into student performance and skill acquisition. Various models and methodologies, such as con

0 views • 51 slides


Understanding Economic Models: Assumptions, Deductive Reasoning, and Logical Fallacies

Economic models utilize deductive reasoning to simplify real-world economic relationships. Assumptions vs. implications are key components, where assumptions reflect reality or are simplifying. This process helps identify conditions for specific outcomes to occur and distinguishes between consequent

1 views • 17 slides


Understanding Cryptographic Hash Functions

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

0 views • 32 slides


Enhancing Security for XMSS and SPHINCS+ Using Machine-Checked Methods

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

1 views • 17 slides


Cryptographic Algorithms and Hash Collisions Overview

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-

0 views • 58 slides


Franco-Japanese Cybersecurity Workshop Highlights and Future Plans

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

0 views • 18 slides


Understanding Quantum Computing and Its Impact on Cryptography

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

0 views • 25 slides


Exploring the Role of Blockchain as a Trusted Third Party in Decentralized Systems

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


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


Faster Implementation of Modular Exponentiation in JavaScript

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


Understanding the Relationship between Decisional Second-Preimage Resistance and Preimage Resistance in Cryptographic Hash Functions

This work delves into the subtle question of when Decisional Second-Preimage Resistance (SPR) implies Preimage Resistance (PRE) in hash functions. It presents a tool for enabling tight security proofs for hash-based signatures by exploring the success probability of adversaries against collision res

0 views • 25 slides


Foundations of Cryptography: Secure Multiparty Computation

Explore the foundations of cryptography with insights into secure multiparty computation, including the Secure 2PC from OT Theorem and the Two-Party Impossibility Theorem. Delve into the impossibility of 2-Party Secure MPC, claims, and exercises on extending to statistical security. Learn about redu

0 views • 39 slides


Understanding the Importance of Cryptographic Safety Valves in Legislation

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

0 views • 17 slides


Zeroizing Attacks on Cryptographic Multilinear Maps: Overview and Applications

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

0 views • 45 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


New Assumptions for Achieving Chosen Ciphertext Security in Cryptography

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


Scalable Cryptographic Authentication for High Performance Computing

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


Communication Complexity in Byzantine Agreement Research

The presentation discusses communication complexity in Byzantine Agreement, emphasizing a lower bound of (f/2) when After the Fact removal is considered. It explores two major contributions - the communication lower bound in randomized protocols and near-optimal subquadratic Byzantine Agreement. The

0 views • 9 slides