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Design of enhanced speed Blowfish Algorithm for cryptography with merged encryption & decryption in VHDL
| Content Provider | Semantic Scholar |
|---|---|
| Author | Joshi, Tushar Chintaman Yadav, Ravindra |
| Copyright Year | 2014 |
| Abstract | Data security has always been important in all aspects of life. Data may contain several form of information that we want to secure from any unauthorized access. It can be all the more important as technology continues to control various operations in our day to day life. Reprogrammable devices are highly attractive options for hardware implementations of encryption algorithms as they provide cryptographic algorithm agility, physical security, and potentially much higher performance, therefore this paper investigates a hardware design to efficiently implement a special type block ciphers in VHDL and its comparative analysis in different parameter variation . This hardware design is applied to the new secret and variable size key block cipher called Blowfish designed to meet the requirements of the previous known standard and to increase security and to improve performance. The proposed algorithm will be used a variable key size. There has been a tremendous enhancement in the field of cryptography, which tries to manipulate the plaintext so that it becomes unreadable, less prone to hacker and crackers, and again obtain the plaintext back by manipulating this unreadable text in some way. In this regard, we have modified secure algorithms which are secret key block ciphers that enhance performance by modifying their function. We have shown that total time taken for encryption and decryption is reduced for both the algorithms after the modification. We have also made an attempt to show that this improvement will not violate the security when compared to that of existing Blowfish algorithm. Because the change in the total time taken for encryption and decryption cannot be understood on software implementation, we have implemented VHDL application to show the differences in the |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.ijera.com/special_issue/ICIAC_April_2014/EN/V2/EN-1496871.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
