random codes
Title: Implementation of Graphical Passwords Using Random Codes
... Abstract— Now a day’s user authentication is one of the most important topic in information security. In this project, we propose a new graphical password scheme for authentication. Here user selects number of images as ...
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Digital Radio Broadcasting for Community Radios Using Pseudo random Codes
... This paper aims to present a digital radio broadcasting system that explores the advantages of pseudo-random codes. In this context, a transmitter and its dual receiver are able to reuse frequency spectrum ...
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Cooperative multi-user detection and ranging based on pseudo-random codes
... distance error caused by jitter in relation to the code- length uplink downlink uplink data downlink data correlation data.. inverted correlation data.[r] ...
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Blind estimation of long and short Pseudo random codes in multi rate LSC DS CDMA signals
... pseudo-noise codes in multi-rate long and short codes direct sequence code division multiple access signal, in this paper, a novel codes estimation method based on Fast-ICA algorithm and sequences ...
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Title: Implementation of Invisible Watermarking and Random Codes for Authentication
... In this paper, we proposed a graphical user authentication system that provides strong authentication to users. The security of this system is very high as every time user need to enter different set of characters for ...
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Decoding Random Binary Linear Codes in $2^{n/20}$: How $1+1=0$ Improves Information Set Decoding
... Abstract. Decoding random linear codes is a well studied problem with many applications in complexity theory and cryptography. The security of almost all coding and LPN/LWE-based schemes relies on the ...
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Using Random Error Correcting Codes in Near-Collision Attacks on Generic Hash-Functions
... of random-codes is never optimal when we ignore memory considerations, the actual memory requirements for codes of smaller dimensions are much ...competitive random-code several times requires ...
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Analysis and design of turbo like codes
... threshold of random codes − union bound threshold of random codes − new bound binary input channel capacity threshold of RA codes −union bound threshold of RA codes − new bound... AWGN R[r] ...
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Modulation for Digital Radio Broadcasting Using Amplitude Autocorrelation of Pseudo Random Noise Codes to Carry Information
... Having the goal of developing a communication system capable of operating with existing systems and with a power close to the thermal noise, we adopted, as a start- ing point, the CDMA DS technique, widely used in mo- ...
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Performance Enhancement of MC CDMA System through Turbo Block Codes
... The random constructions connect rows and columns of LDPC code matrix without any structured or predefined connection ...rate. Random construction with constraints adds a connection in the code if it does ...
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Optimality of the genetic code with respect to protein stability and amino acid frequencies
... Haig and Hurst [22] tested several fitness functions, F, based on different physicochemical parameters, and found that single-base changes in the natural code had the smallest average effect when using, as a cost ...
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Efficient Encryption from Random Quasi-Cyclic Codes
... of codes, hence a strongly structured family of ...Goppa codes, is still considered secure today, many variants based on alternative families of codes (Reed-Solomon codes, Reed-Muller ...
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Efficient use of Monte Carlo: the fast correlation coefficient
... integral experiment). The cov(x,y) is the covariance between two parameters, e.g., the neutron fl ux at the energies E and E 0 . The cov(x, y) is determined as the sample covariance of the output from multiple simulations ...
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Great expectations? evidence from Colombia’s exchange rate survey
... Abstract In this paper, we use the largest exchange rate survey in Colombia to test for the rational expectations hypothesis, the presence of a time-varying risk pre- mium and the accuracy of exchange rate forecasts. Our ...
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Performance Study of Monte Carlo Codes on Xeon Phi Coprocessors — Testing MCNP 6.1 and Profiling ARCHER Geometry Module on the FS7ONNi Problem
... Carlo codes on the MICs are the lack of vectorization and excess of memory access la- ...ported codes were found to have a speedup factor of only 2 ...
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Application layer systematic network coding for sliced H.264/AVC video streaming
... rateless codes can be applied to protect the video data over lossy ...Window Random Linear Codes (EW RLCs) are a flexible unequal error protection fountain coding scheme which can provide prioritized ...
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Cryptography from Post-Quantum Assumptions
... weakly Random-Self-Reducible Encryption Oblivious Transfer is a protocol in which a sender transfers one of potentially many pieces of information to a receiver, but remains oblivious as to what piece has been ...
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Codes and Shifted Codes of Partitions and Compositions.
... of codes: using algebraic properties to prove identities and then writing the result in an often more intuitive way using ...of codes. We define several equivalence relations on codes (and shifted ...
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Semisimple group codes and dihedral codes
... We consider codes that are given as two-sided ideals in a semisimple finite group algebra 𝔽 𝑞 𝐺 defined by idem-1. potents constructed from subgroups of 𝐺 in a natural way and compute th[r] ...
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An Age-Period-Cohort Database of Inter-Regional Migration in Australia and Britain, 1976-96
... The approach adopted for this project builds on the next level but one of the spatial hierarchy in the Australian Standard Geographic Classification: the Statistical Division (SD). SDs were designed to represent ...
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