127_Inside PK Cryptography:Math and Implementation

... φ (pk) = pk - pk- 1 , if p is prime and k > Only numbers that are a multiple of p have a common factor with pk : 1.p, 2.p, 3.p, … pk- 1 p and The rest don’t share any factors, so are coprime ∴φ (pk) ... If m - a is divisible by both p and q, p and q must be one of p1 , p2 , p3 ⇒ m - a is divisible by pq Sriram Srinivasan 20/47 GCD and modulus  If gcd(a,n) = 1, and a = b (mo...

Ngày tải lên: 18/07/2017, 10:37

Ngày tải lên: 11/09/2012, 15:49

... purpose The separate data area of these database systems means that they not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space The space occupied by the log in a database system ... log as the most up to date ‘‘truth’’ about the state of the data on disk The main difference is that database systems not use the log as the final repositor...

Ngày tải lên: 12/09/2012, 15:05

... medium-size town) are connected to the BSC via an interface called the Abis-interface The GSM Networks: Protocols, Terminology, and Implementation BSC takes care of all the central functions and ... 2 GSM Networks: Protocols, Terminology, and Implementation For the engineer who deals with GSM or its related systems on a daily basis, this book has advantages over other G...

Ngày tải lên: 19/10/2013, 03:20

... } } 110 DSP FUNDAMENTALS AND IMPLEMENTATION CONSIDERATIONS Figure 3.19 Quantizing 16-bit data (top-left) into 12-bit (bottom-left), 8-bit (top-right), and 6-bit (bottom-right) Figure 3.20 Example ... 108 DSP FUNDAMENTALS AND IMPLEMENTATION CONSIDERATIONS Start Algorithm analysis and C program implementation Rewrite C program to emulate DSP device DSP assembly pr...

Ngày tải lên: 19/10/2013, 23:15

... conceptualizing the impact of filters on signals As discussed in Chapter 3, there are two basic types of digital filters: FIR filters and IIR filters An FIR filter of length L can be represented ... p 5:1 :10a† !m ˆ !a !b , H(w) 1 w wa Figure 5.3 wm wb Magnitude response of bandpass filter with narrow bandwidth 188 DESIGN AND IMPLEMENTATION OF FIR...

Ngày tải lên: 23/10/2013, 22:15

... processes and variables are modelled mathematically Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner Hence, this stage of the ... two-phase currents to generate a means of instantaneously controlling the torque and flux Field-orientated controllers require control of both magnitude and phase of...

Ngày tải lên: 27/10/2013, 23:15

... direct-form structure In practical implementations of digital IIR filters, the cascade form is preferred 268 DESIGN AND IMPLEMENTATION OF IIR FILTERS Example 6.9: Given the second-order IIR filter ... the fourth-order Butterworth IIR Table 6.3 /* List of floating-point C implementation of IIR filter exp6a.c À Direct-form II IIR function implementation in fl...

Ngày tải lên: 28/10/2013, 05:15

... Page i Pro SQL Server 2008 Relational Database Design and Implementation Louis Davidson With Kevin Kline, Scott Klein, and Kurt Windisch 8662FM.qxp 7/28/08 6:19 PM Page ii Pro SQL Server 2008 Relational ... prior written permission of the copyright owner and the publisher ISBN-13 (pbk): 97 8-1 -4 30 2-0 86 6-2 ISBN-13 (electronic): 97 8-1 -4 30 2-0...

Ngày tải lên: 29/10/2013, 15:15

... on database design Louis’s primary areas of interest are database architecture and coding in T -SQL, and he has experience designing many databases and writing thousands of stored procedures and ... books including SQL in a Nutshell (O’Reilly, 2004), Pro SQL Server 2005 Database Design and Optimization (Apress, 2006), and Database Benchmarking: Practical Method...

Ngày tải lên: 29/10/2013, 15:15

... make up the table In SQL Server and most databases—it is common to consider the catalog as a collective description of the tables and other structures in the database SQL Server exposes the heading ... would probably require some sort of workflow process to route the request to a manager for approval T -SQL code is not interactive, and this rule would most certainly be enforced...

Ngày tải lên: 08/11/2013, 21:15

... of product (LCD television) • JV: Subtype of product (32-inch console) 19 8662Ch01.qxp 20 7/28/08 3:37 PM Page 20 CHAPTER s INTRODUCTION TO DATABASE CONCEPTS • 1023: Lot that the product was produced ... well, or it is not a proper table Consider the earlier example of a product identifier consisting of seven parts: • X: Type of product (LCD television) • JV: Subtype of product (32-inch con...

Ngày tải lên: 08/11/2013, 21:15