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# Cryptography: Data Security for Android

Free

## Developer's Description

The app is a complete free handbook of Cryptography or information security which covers important topics, notes, materials, news & blogs on the course. Download the App as a reference material & digital book for computer science, software engineering programs & IT degree courses. This useful App lists 150 topics with detailed notes, diagrams, equations, formulas & course material, the topics are listed in 5 chapters. The app is must have for all the engineering science students & professionals. The app provides quick revision and reference to the important topics like a detailed flash card notes, it makes it easy & useful for the student or a professional to cover the course syllabus quickly before an exams or interview for jobs. Track your learning, set reminders, edit the study material, add favorite topics, share the topics on social media. Use this useful engineering app as your tutorial, digital book, a reference guide for syllabus, course material, project work, sharing your views on the blog. Some of the topics Covered in the app are: 1) Basics of Cryptography 2) Conventional cryptography 3) Key management and conventional encryption 4) Keys 5) Pretty Good Privacy 6) Digital signatures 7) Digital certificates 8) The OSI Security Architecture 9) Network Security 10) Types of attacks 11) Denial of service attack 12) Smurf Attack 13) Distributed Denial of Service Attacks 14) Security Mechanism 15) A Model for Network Security 16) Symmetric Ciphers 17) Classical SubstitutionTechniques 18) Classical Transposition Techniques 19) Rotor Machines 20) Steganography 21) Block Cipher Principles 22) The Data Encryption Standard 23) Differential Cryptanalysis Attack 24) Cipher and Reverse Cipher 25) Security of DES 26) The Strength of DES 27) Differential and Linear Cryptanalysis 28) Block Cipher Design Principles 29) Finite Fields 30) The Euclidean Algorithm 31) Finite Fields of The Form GF(p) 32) Polynomial Arithmetic 33) Finite Fields Of the Form GF(2n) 34) The AES Cipher 35) Substitute Bytes Transformation 36) Evaluation Criteria For AES 37) ShiftRows Transformation 38) AddRoundKey Transformation 39) AES Key Expansion Algorithm 40) Equivalent Inverse Cipher 41) Multiple Encryption and Triple DES 42) Triple DES with Two Keys 43) Block Cipher Modes of Operation 44) Cipher Feedback Mode 45) Output Feedback Mode 46) Counter Mode 47) Stream Ciphers

## Full Specifications

### General

Release May 15, 2017
Version 5.4

### Operating Systems

Operating Systems Android

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