alaidiText Book
Computer Networks A Top-Down Approach. James F. Kurose and Keith W. Ross , 6th Edition.
Syllabus
| 1 | 2/10 | Course organization | |
| 2 | 16/10 | Definitions Security Services Security Mechanism Terminology and Background Basic Cryptographic Algorithms Classical model of encryption Modular Arithmetic |
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| 3 | 23/10 30/10 |
Greatest Common Divisor(GCD). Least Common Multiple (LCM). Multiplicative Inverse The forms of Encryption |
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| 4 | 6/11 and 9/11 | Keyless Transposition Ciphers: Keyless Transposition Ciphers: Columnar Transposition Ciphers. Substitution cipher Monoalphabetic Ciphers. |
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| 7 | 23/11 | Additive Cipher Caesar Cipher Multiplicative Ciphers |
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| 5 | 2/11 and 9/11 | Affine Ciphers Polyalphabetic Ciphers Autokey Cipher Playfair Key Matrix |
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| 6 | 7/12 and 14/12 | Hill Cipher One-Time Pad |
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| 8 | -/- and -/- | Stream cipher Block ciphers Ciphers vs. Block ciphers |
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| 9 | 7/3 and 13/3 | Encryption and Decryption with Stream Ciphers Shift Register-Based Stream Ciphers Linear Feedback Shift Registers (LFSR) |
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| 10 | 21/3 | The Data Encryption Standard (DES) and Alternatives Introduction to DES |
Data Encryption Standard (DES) Simplified DES DES Teacher |
| 11 | 28/3 | AES | Rijndael Inspector (AES) |
| 12 | 21/3 | ||
| 13 | 4/4 | ||
| 14 | 11/4 and 18/4 | ||
| 15 | سعيات مادة الامنية | ||
| 16 |