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In this project, a hardware implementation of the AES-256 encryption and decryption algorithm is proposed. The AES cryptography algorithm can be used to encryption and decryption blocks of 128 bits and is capable of using cipher keys of 256 bits. Feature of the proposed pipeline design is depending on the round keys, which are consumed different round of encryption, are generated in parallel way with...
AES algorithm or Rijndael algorithm is a network security algorithm which is most commonly used in all types of wired and wireless digital communication networks for secure transmission of data between two end users, especially over a public network. This paper presents the hardware implementation of AES Rijndael Encryption and Decryption Algorithm by using Xilinx Virtex-7 FPGA. The hardware design...
Secure System is significant part in the data communication. Randomization in the secret keys give raises to the security and complexity of the cryptography algorithms. However, the algorithms are compensating memory spaces and execution time. In Nov 2001 NIST select Advanced Encryption Standards (AES). Field programmable gate arrays (FPGAs), are reconfigurable in nature, low in price and. This paper...
Advanced Encryption Standard (AES) is the most widely used public cipher algorithm for crypto related applications in embedded systems. This paper presents an area efficient 16-bit AES architecture for key expansion, encryption and decryption. In the proposed design, a modular approach is adopted and it is capable of performing all transformations for 128, 192 and 256-bit cipher key lengths. The resources...
This letter presents a new efficient architecture for high-speed advanced encryption standard (AES) encryptor. This technique is implemented using composite field arithmetic byte substitution, where higher efficiency is achieved by merging and location rearrangement of different operations required in the steps of encryption. The proposed architecture is presented with multistage subpipelined architecture...
This paper addresses design, hardware implementation and performance testing of AES algorithm. An optimized code for the Rijndael algorithm with 128-bit keys has been developed. The area and throughput are carefully trading off to make it suitable for wireless military communication and mobile telephony where emphasis is on the speed as well as on area of implementation.
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