Efficient Fault Detection Model Design 'Hamming SEC-DAED-TAED- TETRA AED' Based AES Encryption and Decryption

摘要

The high level of security and the fast hardware and software implementation of the Advanced Standard Encryption (AES) have made it in the first choice for many critical applications. Advanced Encryption Standard (AES) is the self-determining hardware architecture for producing crypto mechanism. In a secure transmission system, Content Addressable Memory (CAM) based transmissions always provide Silent Data Corruption (SDC). In order to overcome this problem, Extended hamming code has been executed in this paper for reducing the SDC effect in AES Encryption and Decryption. In the fault detection and correction mechanism, Single Error Correction based hamming codes are available. Single Error Correction (SEC) and Double Adjacent Error Detection (DAED) are done by using hamming codes. In order to detect triple adjacent error in SEC-TAED, it is required to add one parity bit, which consumes more amount of computational time for detecting the triple adjacent error. SEC-Tetra AED is also required to add one more parity bit for detecting for detecting the tetra adjacent error. To overcome this problem, Hamming codes are extended in this paper for making a new faulty detection system. In the proposed Faulty detecting system referred as Extended hamming single Error Correction-Double Adjacent Error Detection-Triple Adjacent Error Detection-Tetra Adjacent Error Detection (SEC-DAED-TAED-Tetra AED) method. Further proposed Extended Hamming SEC-DAED-TAED-TetraAED error correction codes are incorporated into 128-bit AES Encryption and Decryption for increasing the crypto properties and also reducing the complexity of S-box and mixed column in AES. Implementation of Proposed Extended Hamming SEC-DAED-TAED-Tetra AED based AES encryption and decryption has been done through Very Large Scale Integration (VLSI) system design environment. Error Correcting Codes are ubiquitous. They are adopted in almost every modern digital communication and storage system in a application such as wireless communications, optical communications and flash memories, computer hard drives, sensor networks and deep-space probing. New-generation and emerging applications demand codes with better error-correcting capability.