نتایج جستجو برای: استاندارد رمزنگاری aes
تعداد نتایج: 44513 فیلتر نتایج به سال:
ارسال و دریافت دادهها در سامانههای دورسنجی و روشهای اعمال شده برای کدگذاری و رمزنگاری آنها یکی از کاربردیترین و پیشرفتهترین علوم روز دنیا است و همواره سعی میشود روشی موثر برای ارسال و دریافت اطلاعات ابداع گردد. کدگذاری کانال دورسنجی روشی برای پردازش دادههای در حال ارسال از مبدا به مقصد است، به نحوی که پیامهای مجزا طوری تولید شوند که به سادگی از یکدیگر قابل تمایز باشند. این امر باعث...
The Intel® Advanced Encryption Standard (AES) New Instructions (AES-NI) were designed to implement some of the complex and performance intensive steps of the AES encryption/decryption algorithm (cipher) using hardware acceleration. This paper presents the outcomes of a research project aimed at encryption/decryption analysis of the AES cipher in ECB, CBC, OFB, CFB, and CTR modes of operation on...
OBJECTIVE The aim of this study was to examine the prevalence of activation cluster adverse events (AC-AEs) in youths treated with the selective serotonin reuptake inhibitor (SSRI) fluvoxamine for anxiety and the relationship of AC-AEs to SSRI blood levels. METHODS Data from the Research Units on Pediatric Psychopharmacology (RUPP) Anxiety Study were examined for 45 youths (22 active fluvoxam...
OBJECTIVES The goal of this study was to determine the association of first pass success with the incidence of adverse events (AEs) during emergency department (ED) intubations. METHODS This was a retrospective analysis of prospectively collected continuous quality improvement data based on orotracheal intubations performed in an academic ED over a 4-year period. Following each intubation, th...
در این مقاله یک ساختار جدید برای رمزنگاری تصویر با استفاده از اتوماتای سلولی برگشتپذیر ارائه میشود. رمزنگاری تصویر در روش پیشنهادی در سه مرحله جداگانه صورت میگیرد. در مرحله اول تصویر بلوکبندی میشود و سپس مقادیر روشنایی پیکسلها با استفاده از اتوماتای سلولی برگشتپذیر جایگزین میشوند. درهمریزی تصویر در مرحله دوم توسط اتوماتای دیگری انجام میشود و سپس در مرحله نهایی بلوکهای تصویر در کنار ی...
Vaccinations often induce various adverse events (AEs), and sometimes serious AEs (SAEs). While many vaccines are used in combination, the effects of vaccine-vaccine interactions (VVIs) on vaccine AEs are rarely studied. In this study, AE profiles induced by hepatitis A vaccine (Havrix), hepatitis B vaccine (Engerix-B), and hepatitis A and B combination vaccine (Twinrix) were studied using the ...
In this paper, we propose a new Authenticated Lightweight Encryption algorithm coined ALE. The basic operation of ALE is the AES round transformation and the AES-128 key schedule. ALE is an online single-pass authenticated encryption algorithm that supports optional associated data. Its security relies on using nonces. We provide an optimized low-area implementation of ALE in ASIC hardware and ...
PURPOSE We sought to compare the economic impact of treatment-related adverse events (AEs) in patients with metastatic breast cancer (mBC) using taxane- or capecitabine-based treatment regimens as either first- or second-line (FL or SL) therapy in the US. METHODS We used healthcare claims data from the Truven Health Analytics MarketScan® Commercial Databases to conduct a retrospective cohort ...
Since Rijndael was chosen as the Advanced Encryption Standard (AES), improving upon 7-round attacks on the 128-bit key variant (out of 10 rounds) or upon 8-round attacks on the 192/256-bit key variants (out of 12/14 rounds) has been one of the most difficult challenges in the cryptanalysis of block ciphers for more than a decade. In this paper, we present the novel technique of block cipher cry...
The purine analogues tenofovir and abacavir are precursors of potential substrates for the enzyme Inosine 5'-triphosphate pyrophosphohydrolase (ITPase). Here, we investigated the association of ITPase activity and ITPA genotype with the occurrence of adverse events (AEs) during combination antiretroviral therapy (cART) for human immunodeficiency virus (HIV) infection. In 393 adult HIV-seroposit...
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