Estudo do Padrão Avançado de Criptografia AES – Advanced Encryption Standard
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Estudo do Padrão Avançado de Criptografia AES - Advanced Encryption Standard
This paper shows the implementation of cryptographic algorithm Advanced Encryption Standard (AES). The choice of AES algorithm considered the fact that it is the current advanced encryption standard, being selected after a long contest where various algorithms were cryptoanalized by the cryptology community. Furthermore, the AES was designed to allow expansion of the key when necessary, allow i...
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The Advanced Encryption Standard (AES), also known as Rijndael is a block cipher. The National Institute of Standards and Technology (NIST) has defined five modes of operation for AES. Each of these modes has different characteristics. The five modes are: Electronic Code Book (ECB), Cipher Block Chaining (CBC), Cipher FeedBack (CFB), Output FeedBack (OFB), and Counter (CTR). Only AES Counter mo...
متن کاملChapter 7 The Advanced Encryption Standard ( AES )
All of the cryptographic algorithms we have looked at so far have some problem. The earlier ciphers can be broken with ease on modern computation systems. The DES algorithm was broken in 1998 using a system that cost about $250,000. It was also far too slow in software as it was developed for mid-1970’s hardware and does not produce efficient software code. Triple DES on the other hand, has thr...
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Advanced Encryption Standard (AES) Algorithm has been extensively applied in the present financial applications. Sub-channel attacks are one of the main problems occurred n the AES Algorithm. Asynchronous AES Architecture is one of the leading solutions of the sub-channel attacks due to its natural properties. The AES architecture with the enhanced mix column to be proposed with reduced number ...
متن کاملFault Based Cryptanalysis of the Advanced Encryption Standard (AES)
In this paper we describe several fault attacks on the Advanced Encryption Standard (AES). First, using optical fault induction attacks as recently publicly presented by Skorobogatov and Anderson [SA], we present an implementation independent fault attack on AES. This attack is able to determine the complete 128-bit secret key of a sealed tamper-proof smartcard by generating 128 faulty cipher t...
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ژورنال
عنوان ژورنال: Revista de Informática Teórica e Aplicada
سال: 2013
ISSN: 2175-2745,0103-4308
DOI: 10.22456/2175-2745.21979