1 S
نویسنده
چکیده
The protocol is, however, susceptible to a man-in-the-middle attack [3], in which the adversary (Eve) intercepts a message from Alice and creates a new message to send to Bob (Fig.1). Eve performs the exchange with Alice using the original message, while Bob performs the exchange using the newly created message. At the final stage, Eve has the original message in decrypted form, while Bob has the message created by Eve. It is unknown to Bob that his message originated from Eve and not Alice.
منابع مشابه
A Note on Dirac Spinors in a Non-flat Space-time of General Relativity
Some aspects of Dirac spinors are resumed and studied in order to interpret mathematically the P and T operations in a gravitational field. 1. Algebra and geometry of two-component spinors. From a mathematical point of view two-component spinors naturally arise when one tries to understand geometrically the well-known group homomorphism φ : SL(2,C) → SO(1, 3,R) (1.1) given by the following expl...
متن کاملStochastic simulation of prokaryotic two-component signalling indi- cates stochasticity-induced active-state locking and growth-rate de- pendent bistability - Supplementary Information
Parameter Estimate Reaction k1f 0.01 nM−1 s−1 S+L → SL k1b 0.059 s−1 SL → S+L k2 0.1 s−1 SL (+ATP) → SLP (+ADP) k3f 0.001 s−1 SLP → SP k3b 0.001 s−1 SP → SLP k4f 0.0238 nM−1 s−1 SLP+R → SLP·R k4b 0.001 s−1 SLP·R → SLP+R k5f 0.0238 nM−1 s−1 SP+R → SP·R k5b 0.001 s−1 SP·R → SP+R k6f 19.8 s−1 SLP·R → SL+RP k6b 0.001 nM−1 s−1 SL+RP → SLP·R k7f 19.8 s−1 SP·R → S+RP k7b 0.001 nM−1 s−1 S+RP → SP·R k8f...
متن کاملOn a Grouping Method for Constructing Mixed Orthogonal Arrays
Mixed orthogonal arrays of strength two and size s are constructed by grouping points in the finite projective geometry . can be partitioned into 1, PG mn s 1, PG mn s 1 1 mn n s s –1 n -flats such that each –1 n flat is associated with a point in . An orthogonal array 1, n PG m s 1 1 mn n mn s s n s L s can be constructed ...
متن کاملPositive Solutions for Second-Order Three-Point Eigenvalue Problems
and Applied Analysis 3 Lemma 2.1. Suppose that G t, s is defined as above. Then we have the following results: 1 0 ≤ G t, s ≤ G s, s , 0 ≤ t, s ≤ 1, 2 G t, s ≥ ηtG s, s , 0 ≤ t, s ≤ 1. Proof. It is easy to see that 1 holds. To show that 2 holds, we distinguish four cases. i If t ≤ s ≤ η, then G t, s t ≥ ηts ηtG s, s . 2.4 ii If s ≤ t and s ≤ η, then G t, s s ≥ ηts ηtG s, s . 2.5 iii If t ≤ s an...
متن کاملOn Taylor-series expansion methods for the second kind integral equations
P. Huabsomboon et al. / Journal of Computational and Applied Mathematics 234 (2010) 1466–1472 1467 The first step in the Taylor expansion method presented in [1] is to write x(t) ≈ x(s)+ x(s)(t − s)+ · · · + 1 n! x(n)(s)(t − s)n. (1.2) Substituting (1.2) for x(t) in the integral in (1.1), we obtain [ 1− ∫ 1 0 k(s, t)dt ] x(s)− [∫ 1 0 k(s, t)(t − s)dt ] x(s)− · · · − [ 1 n! ∫ 1 0 k(s, t)(t − s)n...
متن کاملCommon transversals for partitions of a finite set
For s 2, t 1, let A1; : : : ;At be s-cell partitions of a finite set X . Assume that if x;y 2 X , x 6= y, then x;y belong to different cells of at least one of the partitions Ai. For each k 1, let c(s; t;k) be the least integer such that if A1; : : : ;At , X satisfy the preceding conditions, and the smallest of all the cells of all the partitions has exactly k elements, and jX j c(s; t;k), then...
متن کامل