نتایج جستجو برای: الگوریتم بلوکی speck

تعداد نتایج: 23942  

Journal: :Cell reports 2016
Te-Chen Tzeng Stefan Schattgen Brian Monks Donghai Wang Anna Cerny Eicke Latz Katherine Fitzgerald Douglas T Golenbock

Inflammasome activation is associated with numerous diseases. However, in vivo detection of the activated inflammasome complex has been limited by a dearth of tools. We have developed transgenic mice that ectopically express the fluorescent adaptor protein, apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) and characterized the formation of assembled inflamma...

Journal: :IACR Cryptology ePrint Archive 2014
Ray Beaulieu Douglas Shors Jason Smith Stefan Treatman-Clark Bryan Weeks Louis Wingers

The last several years have witnessed a surge of activity in lightweight cryptographic design. Many lightweight block ciphers have been proposed, targeted mostly at hardware applications. Typically software performance has not been a priority, and consequently software performance for many of these algorithms is unexceptional. Simon and Speck are lightweight block cipher families developed by t...

Journal: :CoRR 2017
Jaber Hosseinzadeh Abbas Ghaemi Bafghi

Lightweight ciphers are the form of encryption that strictly limited to devices such as tags, RFID, wireless sensor networks applications. Low-resource devices has many limitations in power, energy and memory. In this work, the lightweight block ciphers is implemented on the Atmega128 microprocessor and the results of the energy perspectives and memory were assessed. The results of the evaluati...

2016
Ray Beaulieu Douglas Shors Jason Smith Stefan Treatman-Clark Bryan Weeks Louis Wingers

Simon and Speck are families of lightweight block ciphers proposed in June 2013 by the US National Security Agency. Here we discuss ASIC implementations of these algorithms, presenting in some detail how one implements the smallest bit-serial versions of the algorithms. We also give area and throughput results for a variety of implementations—bit serial, iterated, and partially and fully pipeli...

Journal: :Swiss Medical Forum ‒ Schweizerisches Medizin-Forum 2010

Journal: :IACR Cryptology ePrint Archive 2015
Dieter Schmidt

PAGES is block cipher family based on the design of Speck, see [1]. However, some intriguing design details of Speck were not used in the design of PAGES. PAGES has block size of 256 bit and comes in three version: PAGES-512, PAGES-768, and PAGES-1024, were the number denotes the key length. The number of rounds is 64, 96, or 128, respectively. PAGES uses variables of 128 bit, that is half the ...

2015
Dieter Schmidt

PAGES is block cipher family based on the design of Speck, see [1]. However, some intriguing design details of Speck were not used in the design of PAGES. PAGES has block size of 256 bit and comes in three version: PAGES-512, PAGES-768, and PAGES-1024, were the number denotes the key length. The number of rounds is 64, 96, or 128, respectively. PAGES uses variables of 128 bit, that is half the ...

2004
Xiaoli Tang William A. Pearlman

Hyperspectral images may be treated as a three-dimensional data set for the purposes of compression. Here we present some compression techniques based on a three-dimensional wavelet transform that produce compressed bit streams with many useful properties. These properties are progressive quality encoding and decoding, progressive lossyto-lossless encoding, and progressive resolution decoding. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده برق و کامپیوتر 1392

روش ارائه شده در این پروژه نیز در الگوریتم نهان نگاری خود از کدینگ فرکتالی استفاده کرده است. کدهای فرکتالی بر روی تصویر واترمارک و میزبان اعمال می شود و کدهای حاصل از هر دو تصویر ذخیره می گردند. سپس کد فرکتال واترمارک در کد فرکتال تصویر میزبان پنهان می شود. که این امر امنیت پنهان سازی واترمارک را افزایش داده است. رویکرد پیشنهادی در سه روش به صورت تکمیلی ارائه می شود. در هر کدام از این سه روش یک...

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