نتایج جستجو برای: advanced encryption standard
تعداد نتایج: 772288 فیلتر نتایج به سال:
Of the five AES finalists four—MARS, RC6, Rijndael, Twofish— have not only (expected) good security but also exceptional performance on the PC platforms, especially on those featuring the Pentium Pro, the NIST AES analysis platform. In the current paper we present new performance numbers of the mentioned four ciphers resulting from our carefully optimized assemblylanguage implementations on the...
The technical analysis used in determining which of the potential Advanced Encryption Standard candidates was selected as the Advanced Encryption Algorithm includes efficiency testing of both hardware and software implementations of candidate algorithms. Reprogrammable devices such as Field Programmable Gate Arrays (FPGAs) are highly attractive options for hardware implementations of encryption...
The technical analysis used in determining which of the Advanced Encryption Standard candidates will be selected as the Advanced Encryption Algorithm includes efficiency testing of both hardware and software implementations of candidate algorithms. Reprogrammable devices such as Field Programmable Gate Arrays (FPGAs) are highly attractive options for hardware implementations of encryption algor...
This document reports the activities of the AES working group organized at the Ecole Normale Sup erieure. Several candidates are evaluated. In particular we outline some weaknesses in the designs of some candidates. We mainly discuss selection criteria between the candidates , and make case-by-case comments. We nally recommend the selection of Mars, RC6, Serpent, ... and DFC. As the report is b...
Serpent is a 128-bit block cipher designed by Ross Anderson, Eli Biham and Lars Knudsen as a candidate for the Advanced Encryption Standard (AES). It was a finalist in the AES competition. The winner, Rijndael, got 86 votes at the last AES conference while Serpent got 59 votes [1]. The designers of Serpent claim that Serpent is more secure than Rijndael.In this paper we have observed that the n...
NIST solicited candidate algorithms for the Advanced Encryption Standard (AES) in a Federal Register Announcement dated September 12, 1997[1]. Fifteen of the submissions were deemed “complete and proper” as defined in the Announcement, and entered the first round of the AES selection process in August 1998. Since that time, NIST has been working with a worldwide community of cryptographers to e...
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...
In this paper we present new S8 S-boxes by using the action of symmetric group S8 on Advanced Encryption Standard S-box [3,] and use these S-boxes to construct 40320 keys. We apply these keys to Advanced Encryption Standard and propose a key exchange communication algorithm to make it more secure. This algorithm is suitable to exchange keys on insecure communication channels in order to achieve...
The evaluation criteria for the Advanced Encryption Standard (AES) Round2 candidate algorithms, as specified in the “Request for Comments” [1], includes computational efficiency, among other criteria. Specifically, the “Call For AES Candidate Algorithms” [2] required both Reference ANSI C code and Optimized ANSI C code, as well as Java code. Additionally, a “reference” hardware and software pl...
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