2018-2019 20165227 "Fundamentals of Information Security system Design" Third week study summary

2018-2019 20165227 "Information Security system Design Fundamentals" The third week to learn to summarize learning objectives

• Understanding the concept of reverse
• Master X86 compilation base, able to read (reverse) Assembly code
• Understanding ISA (Instruction set architecture)
• Understand the concept of function call stack frames and can debug with GDB

Learning tasks

• What you must learn
  • Read the textbook, complete the After-school exercises (the book has the reference answer)
  • Examination: Exercises to change the data
• Teaching Materials 3.1-3.7 Festival exercises, Focus: 3.1,3.3,3.5,3.6,3.9,3.14,3.15,3.16,3.22,3.23,3.27,3.29,3.30,3.33,3.34
  Like lectures can refer to the blue ink Cloud class video, complete the blue ink cloud class in the test.

Summary of learning contents of textbook

• Operand designator (see P121)
• Data transfer Instructions MOV
• Movb, MOVW, MOVL, movq four instructions
• See P123
• Press in and eject stack data
• Pushq S: Press four words into the stack
• POPQ D: Four words pop-up stack
• Load valid address LEAQ directive: Actually, the movq instruction is deformed.
• Shift operation: Sal and SHL Two left shift commands are the same effect
• Special arithmetic operations
• imulqSigned Full multiplication
• mulqunsigned full multiplication
• cltoConvert to eight
• idivqSigned Division
• divqUnsigned division

Problems in teaching materials learning and the solving process

• Problem
  What's the use of command rep and RepZ?
• Solve
  Textbook P141

Learning progress Bar

	lines of code (new/cumulative)	Blog Volume (Add/accumulate)	Learning Time (new/cumulative)	Important Growth
Goal	5000 rows	30 Articles	400 hours
First week	60/60	1/1	7/7
Second week	100/160	1/2	8/15
Third week	120/280	1/3	10/25

2018-2019 20165227 "Fundamentals of Information Security system Design" Third week study summary