Cryptography and Computer Network-Security

Cryptography and Computer Network Security

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Slides from Fall 2009

Slides for this semester will be posted gradually, one day before the given lecture.
If you are not able to wait until a new set of slides is posted,
please print and bring to class a corresponding set from the previous year, available below under
Slides from Fall 2008.

Lecture 12 - Security Protocols. Cryptographic Standards. Companies Developing Cryptographic Hardware.

2 slides per page

3 slides per page

6 slides per page

Lecture 11 - Hash Functions & MACs.

2 slides per page

3 slides per page

6 slides per page

Lecture 10 - RSA Implementation: Efficient encryption, decryption & key generation.

2 slides per page

3 slides per page

6 slides per page

Lecture 9 - RSA – Genesis, Operation & Security. Factoring in Software and Hardware.

2 slides per page

3 slides per page

6 slides per page

Lecture 8 - Modes of Operation of Block Ciphers. RC5 and IDEA.

2 slides per page

3 slides per page

6 slides per page

Lecture 7 - Towards Modern Ciphers. DES and Its Extensions.

2 slides per page

3 slides per page

6 slides per page

Lecture 6 - Historical Ciphers.

2 slides per page

3 slides per page

Lecture 5 - Mathematical Background: Modular Arithmetic.

2 slides per page

3 slides per page

Lecture 4 - Key Management. Pretty Good Privacy.

2 slides per page

3 slides per page

Lecture 3 - Types of Cryptosystems. Implementation of Security Services.

2 slides per page

3 slides per page

Lecture 2 - Basic Concepts of Cryptology.

2 slides per page

3 slides per page

Lecture 1 - Basic Security Services.

Lecture 0 - Organization of the Course.

Slides from Fall 2008

Lecture 12 - Security Protocols. Cryptographic Standards. Companies Developing Cryptographic Hardware.

2 slides per page

3 slides per page

6 slides per page

Lecture 11 - Hash Functions & MACs.

2 slides per page

3 slides per page

6 slides per page

Lecture 10 - RSA Implementation: Efficient encryption, decryption & key generation.

2 slides per page

3 slides per page

6 slides per page

Lecture 9 - RSA – Genesis, Operation & Security. Factoring in Software and Hardware.

2 slides per page

3 slides per page

6 slides per page

Lecture 8 - Modes of Operation of Block Ciphers. RC5.

2 slides per page

3 slides per page

6 slides per page

Lecture 7 - Towards Modern Ciphers. DES and Its Extensions.

2 slides per page

3 slides per page

6 slides per page

Lecture 6 - Historical Ciphers.

2 slides per page

3 slides per page

6 slides per page

Lecture 5 - Mathematical Background: Modular Arithmetic.

2 slides per page

3 slides per page

Lecture 4 - Key Management. Pretty Good Privacy.

2 slides per page

3 slides per page

Lecture 3 - Types of Cryptosystems.

2 slides per page

3 slides per page

Lecture 2 - Basic Concepts of Cryptology.

2 slides per page

3 slides per page

Lecture 1 - Security Services.

2 slides per page

3 slides per page

Lecture 0 - Organization of the course.

2 slides per page

3 slides per page