Algorithms part i, 4th edition

Tài liệu Data Encryption Algorithms Part I pdf

Tài liệu Data Encryption Algorithms Part I pdf
... Shift on U0 and V0 a defined number of times, producing UiVi: Ui = LSz (i) (Ui–1), Vi = LSz (i) (Vi–1) Permute the resulting UiVi using a defined compress permutation, resulting in a 48-bit string ... Security Theory and Practice Springer 2009 XOR Encryption       The exclusive-OR operation, denoted by ⊕ or XOR, is a simple binary operation used in encryption XOR encryption: Divide a string ... Practice Springer 2009 Criteria of Data Encryptions         XOR encryption is secure if a key is only used once, but it’s unpractical How about keeping encryption algorithms private? To...
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Absolute C++ (4th Edition) part 85 pps

Absolute C++ (4th Edition) part 85 pps
... programming language such as C++ and a natural language such as English To think about a programming problem without needing to worry about the syntax details of a language such as C++, you can simply ... of object-oriented techniques Unified Modeling Language (UML) 20_CH20.fm Page 850 Monday, August 18, 2003 2:08 PM 850 Patterns and UML Display 20.6 A UML Class Diagram Square -side: double -topRtCorner: ... what you want and need is not in the UML, you 20_CH20.fm Page 851 Monday, August 18, 2003 2:08 PM Answers to Self-Test Exercises 851 can add it to the UML Of course, this all takes place inside...
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Absolute C++ (4th Edition) part 1 potx

Absolute C++ (4th Edition) part 1 potx
... "How many programming languages have you used? "; cin >> numberOfLanguages; 10 11 12 13 14 15 16 if (numberOfLanguages < 1) cout ...
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Absolute C++ (4th Edition) part 2 pps

Absolute C++ (4th Edition) part 2 pps
... 01_CH01.fm Page 12 Wednesday, August 20 , 20 03 2: 21 PM 12 Pitfall C++ Basics UNINITIALIZED VARIABLES A variable has no meaningful value until ... Variable_Name _2 = Expresssion_for_Value _2, ; 01_CH01.fm Page 13 Wednesday, August 20 , 20 03 2: 21 PM Variables, Expressions, and Assignment Statements 13 EXAMPLES int count = 0, limit = 10, fudgeFactor = 2; ... expression is of type int: baseAmount + increase mixing types 01_CH01.fm Page 20 Wednesday, August 20 , 20 03 2: 21 PM 20 C++ Basics Display 1.4 Named Constant #include using namespace std;...
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Absolute C++ (4th Edition) part 3 doc

Absolute C++ (4th Edition) part 3 doc
... number = (1 /3) * 3; cout ...
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Absolute C++ (4th Edition) part 4 docx

Absolute C++ (4th Edition) part 4 docx
... pointsNeeded; how cin works separate numbers with spaces 01_CH01.fm Page 34 Wednesday, August 20, 2003 2:21 PM 34 Tip C++ Basics LINE BREAKS IN I/O It is possible to keep output and input on the ... you to use the standard C++ libraries s LIBRARIES AND include DIRECTIVES #include C++ includes a number of standard libraries In fact, it is almost impossible to write a C++ program without using ... libraries, but for now we only need include directives for standard C++ libraries A list of some standard C++ libraries is given in Appendix C++ has a preprocessor that handles some simple textual manipulation...
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Absolute C++ (4th Edition) part 5 potx

Absolute C++ (4th Edition) part 5 potx
... Inequalities 45 Evaluating Boolean Expressions 46 Precedence Rules 48 Pitfall: Integer Values Can Be Used as Boolean Values 52 2.2 BRANCHING MECHANISMS 54 if-else Statements 54 Compound Statements 56 Pitfall: ... Statements 54 Compound Statements 56 Pitfall: Using = in Place of == 57 Omitting the else 58 Nested Statements 59 Multiway if-else Statement 59 The switch Statement 61 Pitfall: Forgetting a break in a ... precedence (done later) precedence rules 50 Flow of Control Display 2.3 Precedence of Operators (part of 2) All operators in part are of lower precedence than those in part < > = == != Equal Not equal...
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Absolute C++ (4th Edition) part 6 doc

Absolute C++ (4th Edition) part 6 doc
... example, 36, what could possibly be the meaning of (!time)? After all, that is equivalent to “not 36. ” But in C++, any nonzero integer converts to true and is converted to false Thus, ! 36 is interpreted ... INTEGER VALUES CAN BE USED AS BOOLEAN VALUES C++ sometimes uses integers as if they were Boolean values and bool values as if they were integers In particular, C++ converts the integer to true and converts ... we want as the value of this Boolean expression and what C++ gives us are not the same If time has a value of 36 and limit has a value of 60 , you want the above displayed Boolean expression to...
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Absolute C++ (4th Edition) part 7 pps

Absolute C++ (4th Edition) part 7 pps
... C++ are similar to those in other high-level languages The three C++ loop statements are the while statement, the do-while statement, and the for statement The same terminology is used with C++ ... ...
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Absolute C++ (4th Edition) part 8 docx

Absolute C++ (4th Edition) part 8 docx
... start of a for statement may be any C++ expressions; therefore, they may involve more (or even fewer) than one variable, and the variables may be of any type The C++ standard does specify that the ... a loop that does terminate The following C++ code will write out the positive even numbers less than 12 That is, it will output the numbers 2, 4, 6, 8, and 10, one per line, and then the loop ... the loop You will find it instructive to compare the details of the programs in Displays 2 .8 and 2.9 Pay particular attention to the change in the controlling Boolean expression ...
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Absolute C++ (4th Edition) part 9 doc

Absolute C++ (4th Edition) part 9 doc
... $50 is only 75 cents 89 Function Basics 3.1 PREDEFINED FUNCTIONS 92 Predefined Functions That Return a Value 92 Predefined void Functions 97 A Random Number Generator 99 3.2 PROGRAMMER-DEFINED ... expression has no intuitive meaning, but C++ converts the int values to bool and then evaluates the && and ! operations Thus, C++ will evaluate this mess Recall that in C++, any nonzero integer converts ... never absolutely need a break or continue statement The programs in Displays 2.8 and 2 .9 can be rewritten so that neither uses either a break or continue statement The continue statement can be particularly...
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