Some results on ACORN
نویسندگان
چکیده
In this paper we obtain a weakness in the design specification of ACORN, which is a competitor of CAESAR competition. We show that there exists a probabilistic linear relation between message bits and ciphertext bits, which holds with probability greater than 12 . This is the first paper which finds a probabilistic linear relation between message and corresponding ciphertext bits of ACRON, and which holds with probability greater than 12 . We also propose a new type of CPA attack on ACORN. By our attack method, it is possible to recover full initial state of the encryption phase of the cipher, and the attack has complexity ≈ 240. After obtaining the initial state of the encryption phase, one can invert the associated data loading phase and key-IV initialization phase to recover the secret key bits.
منابع مشابه
Evaluation of the Cake Quality Made from Acorn-Wheat Flour Blends as a Functional Food
Regarding the nutritional value and availability of acorns in west and southwest of Iran, the effects of partial substitution of wheat flour with acorn flour was investigated. Wheat flour was replaced by treated acorn flour in the formulation of sponge cake and the quality characteristics were evaluated. Density of cakes was increased with increasing the acorn flour. As the substitution degree ...
متن کاملEffects of Different Levels of Raw and Processed Oak Acorn (Quercus castaneifolia) on Performance, Small Intestine Morphology, Ileal Digestibility of Nutrients, Carcass Characteristics and Some Blood Parameters in Broiler Chickens
This study was conducted to determine the effect of oak acorn (Quercus castaneifolia) on performance, small intestine morphology, ileal digestibility of nutrient, carcass and some blood parameters in broiler chicks. A total of fifty hundred four one-d old male chickens (Ross308 strain) with seven treatments and four replicates in each treatment were used. Experimental diets were: control (corn-...
متن کاملEffect of Feeding Oak Acorn on Expression of IL-2, IL-13 and IFN-γ Genes in Bursa Fabricius Tissue of Broiler Chickens (Short Communication)
Today, the use of oak as a replacement feed in poultry diets is well documented. However, oak contains polyphenol compounds (tannins) as antinutrient factors resulted in limited usage in the poultry rations. Generally, consumption of feeds containing tannin could affect gene expression level of immune system. Therefore, the aim of this study was to investigate the effect of different levels of ...
متن کاملACORN in CCP4 and its applications.
ACORN is a comprehensive and efficient phasing procedure for the determination of protein structures when atomic resolution data are available. Reliable phases can be developed from a fragment composed of a small percentage (less than 5%) of the scattering matter of the unit cell. For example, ACORN has been used to solve a structure of 1093 atoms from only one S atom. The map from ACORN typica...
متن کاملAdding Iranian oak acorn (Quercus brantii) to the diet of common carp (Cyprinus carpio Linnaeus, 1758) and its effects on growth performance, carcass composition and resistance to salinity stress
At this study, the effects of adding Iranian acorn flour on growth performance, carcass composition and resistance to salinity stress of common carp were investigated. Experimental diets included: 1) without acorn and not autoclaved diet; 2) without acorn and autoclaved diet for 2 minutes; 3) without acorn and autoclaved diet for 10 minutes; 4) with 10 percent acorn and not autoclaved diet; 5) ...
متن کاملApplication of visual surveys to estimate acorn production of Brant`s oak (Quercus brantii Lindl.) in northern Zagros Forests of Iran
Acorn production plays a fundamental role in the organization and dynamics of oak forest ecosystems. Regarding acorn importance, visual survey methods have been used to estimate acorn production of oak species throughout the world. In this study, the mast indices of Brant`s oak (Quercus brantii Lindl.) were determined in a section of northern Zagros forests, almost 36 ha area, near Baneh, Kurdi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- IACR Cryptology ePrint Archive
دوره 2016 شماره
صفحات -
تاریخ انتشار 2016