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  • Bài giảng Cơ sở dữ liệu: Chương 5 - Hoàng Thị Hà

    Bài giảng Cơ sở dữ liệu: Chương 5 - Hoàng Thị Hà

    Bài giảng Cơ sở dữ liệu: Chương 5 Ngôn ngữ SQL (Structured Query Language) cung cấp cho người học những kiến thức như: Giới thiệu; Một số quy ước cú pháp; Ngôn ngữ định nghĩa dữ liệu; Ngôn ngữ thao tác dữ liệu. Mời các bạn cùng tham khảo!

     121 p actvn 26/03/2024 15 0

  • Bài giảng Cơ sở dữ liệu: Chương 7 - Hoàng Thị Hà

    Bài giảng Cơ sở dữ liệu: Chương 7 - Hoàng Thị Hà

    Bài giảng Cơ sở dữ liệu: Chương 7 An toàn và toàn vẹn dữ liệu, cung cấp cho người học những kiến thức như: Sự cần thiết phải bảo vệ an toàn dữ liệu; An toàn và quyền truy nhập của người dùng; Toàn vẹn dữ liệu. Mời các bạn cùng tham khảo!

     21 p actvn 26/03/2024 23 0

  • Lecture Cryptography and network security: Chapter 3

    Lecture Cryptography and network security: Chapter 3

    Lecture Cryptography and network security: Chapter 3 after studying this section will help you understand: To define the terms and the concepts of symmetric key ciphers; To emphasize the two categories of traditional ciphers: substitution and transposition ciphers; To describe the categories of cryptanalysis used to break the symmetric ciphers;

     67 p actvn 26/03/2024 16 0

  • Lecture Cryptography and network security: Chapter 2

    Lecture Cryptography and network security: Chapter 2

    Lecture Cryptography and network security: Chapter 2 after studying this section will help you understand: To review integer arithmetic, concentrating on divisibility and finding the greatest common divisor using the Euclidean algorithm; To understand how the extended Euclidean algorithm can be used to solve linear Diophantine equations, to solve linear congruent equations, and to find the multiplicative inverses;...

     82 p actvn 26/03/2024 14 0

  • Lecture Cryptography and network security: Chapter 1

    Lecture Cryptography and network security: Chapter 1

    Lecture Cryptography and network security: Chapter 1 after studying this section will help you understand: To define three security goals; To define security attacks that threaten security goals; To define security services and how they are related to the three security goals; To define security mechanisms to provide security services;

     22 p actvn 26/03/2024 17 0

  • Lecture Cryptography and network security: Chapter 4

    Lecture Cryptography and network security: Chapter 4

    Lecture Cryptography and network security: Chapter 4 after studying this section will help you understand: To review the concept of algebraic structures; To define and give some examples of groups; To define and give some examples of rings; To define and give some examples of fields;...

     56 p actvn 26/03/2024 16 0

  • Lecture Cryptography and network security: Chapter 5

    Lecture Cryptography and network security: Chapter 5

    Lecture Cryptography and network security: Chapter 5 after studying this section will help you understand: To distinguish between traditional and modern symmetric-key ciphers; To introduce modern block ciphers and discuss their characteristics; To explain why modern block ciphers need to be designed as substitution ciphers.

     67 p actvn 26/03/2024 12 0

  • Lecture Cryptography and network security: Chapter 6

    Lecture Cryptography and network security: Chapter 6

    Lecture Cryptography and network security: Chapter 6 after studying this section will help you understand: To review a short history of DES; To define the basic structure of DES ; To describe the details of building elements of DES; To describe the round keys generation process;...

     63 p actvn 26/03/2024 16 0

  • Lecture Cryptography and network security: Chapter 7

    Lecture Cryptography and network security: Chapter 7

    Lecture Cryptography and network security: Chapter 7 after studying this section will help you understand: To review a short history of AES; To define the basic structure of AES; To define the transformations used by AES; To define the key expansion process;...

     66 p actvn 26/03/2024 13 0

  • Lecture Cryptography and network security: Chapter 8

    Lecture Cryptography and network security: Chapter 8

    Lecture Cryptography and network security: Chapter 8 after studying this section will help you understand: To show how modern standard ciphers, such as DES or AES, can be used to encipher long messages. To discuss five modes of operation designed to be used with modern block ciphers. To define which mode of operation creates stream ciphers out of the underlying block ciphers.

     41 p actvn 26/03/2024 13 0

  • Lecture Cryptography and network security: Chapter 9

    Lecture Cryptography and network security: Chapter 9

    Lecture Cryptography and network security: Chapter 9 after studying this section will help you understand: To introduce prime numbers and their applications in cryptography. To discuss some primality test algorithms and their efficiencies. To discuss factorization algorithms and their applications in cryptography.

     50 p actvn 26/03/2024 16 0

  • Lecture Cryptography and network security: Chapter 10

    Lecture Cryptography and network security: Chapter 10

    Lecture Cryptography and network security: Chapter 10 after studying this section will help you understand: To distinguish between two cryptosystems: symmetric-key and asymmetric-key; To introduce trapdoor one-way functions and their use in asymmetric-key cryptosystems; To introduce the knapsack cryptosystem as one of the first ideas in asymmetric-key cryptography;...

     59 p actvn 26/03/2024 8 0

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