A practical approach for biometric authentication based on smartcards

Cryptographic systems are safe. However, the management of cryptographic keys of these systems is a tough task. They are usually protected by the use of password-based authentication mechanisms, which is a weak link on conventional cryptographic systems, as the passwords can be easily copied or stolen. The usage of a biometric approach for releasing the keys is an alternative to the password-based mechanisms. But just like passwords, we need mechanisms to keep the biometrical signal safe. One approach for such mechanism is to use biometrical key cryptography. The cryptographic systems based on the use of biometric characteristics as keys are called biometrical cryptographic systems. This article presents the implementation of Fuzzy Vault, a biometrical cryptographic system written in Java, along with its performance evaluation. Fuzzy Vault was tested on a real application using smartcards.

Scheduler simulation using iSPD, an iconic-based computer grid simulator

Increased accessibility to high-performance computing resources has created a demand for user support through performance evaluation tools like the iSPD (iconic Simulator for Parallel and Distributed systems), a simulator based on iconic modelling for distributed environments such as computer grids. It was developed to make it easier for general users to create their grid models, including allocation and scheduling algorithms. This paper describes how schedulers are managed by iSPD and how users can easily adopt the scheduling policy that improves the system being simulated. A thorough description of iSPD is given, detailing its scheduler manager. Some comparisons between iSPD and Simgrid simulations, including runs of the simulated environment in a real cluster, are also presented. © 2012 IEEE.

Using baseline methods to identify non-technical losses in the context of smart grids

Demand response has gained increasing importance in the context of competitive electricity markets and smart grid environments. In addition to the importance that has been given to the development of business models for integrating demand response, several methods have been developed to evaluate the consumers' performance after the participation in a demand response event. The present paper uses those performance evaluation methods, namely customer baseline load calculation methods, to determine the expected consumption in each period of the consumer historic data. In the cases in which there is a certain difference between the actual consumption and the estimated consumption, the consumer is identified as a potential cause of non-technical losses. A case study demonstrates the application of the proposed method to real consumption data. © 2013 IEEE.

Efeito da suplementação de taurina na oxidação de substratos energéticos e no desempenho de atletas nadadores

Pós-graduação em Alimentos e Nutrição - FCFAR

A construção de sentidos na avaliação de múltipla escolha do SARESP

Pós-graduação em Estudos Linguísticos - IBILCE

Desempenho de alevinos de quatro linhagens da tilápia do Nilo (Oreochromis niloticus) e análise da variabilidade genética pelos marcadores RAPD

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Desempenho produtivo e resistência ao estresse pelo frio da tilápia do Nilo alimentada com dietas suplementadas com levedura autolisada e zinco

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Classificação e comparação de ferramentas para análise de desempenho de sistemas paralelos

Pós-graduação em Engenharia Elétrica - FEIS

Condição socioeconômica, perfil nutricional e desempenho funcional em idosas praticantes e não praticantes regulares de exercício físico, residentes na zona norte de São José do Rio Preto

Pós-graduação em Alimentos e Nutrição - FCFAR

Análise do aproveitamento do gás natural em plantas de cogeração e trigeração de energia em indústrias frigoríficas

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Geração de algoritmos de escalonamento para simulação de grades computacionais

Pós-graduação em Ciência da Computação - IBILCE

Prática pedagógica do/a professor/a coordenador/a no contexto da política educacional paulista: 1995-2002

Pós-graduação em Educação - FCT

Metodologia para avaliação de desempenho ambiental em aeroportos e sua aplicação no Aeroporto Internacional de Viracopos, Campinas (SP)

Pós-graduação em Geologia Regional - IGCE

Gestão de recursos humanos: análise das melhores práticas adotadas pelas universidades estaduais paulistas

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Proposta de uma abordagem metodológica para analisar como os fatores posicionais influenciam as prioridades competitivas

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)