The monthly meeting of the Security Practitioners' Forum (Security Users' Group)

Topic: Cryptography 101

History of Cryptography through Enigma

Presenter: Jerry Crow

This presentation will offer an overview of general cryptographic concepts and history, and then address the common cryptographic systems used prior to the advent of the digital computer.

The presentation is organized as follows:

• Historical origins of cryptography

• Notable individuals and dates
• Basics of substitution systems
• Automated substitution systems
• Military impact of cryptography
• 20th century cryptography
• Social impacts of cryptography

About the Speaker:

Jerry Crow's 35-year career in information technology includes experience with mainframe operating systems, notably Honeywell's GCOS; formal work with software engineering and software metrics; line management of a software development group; work with local and wide area networks; and administration level experience with every major flavor of commercial UNIX and Linux. His contemporary areas of focus include information technology security, information protection and computer forensics.

Crow is a member of the Capability Engineering group within the Global Network Engineering organization of Electronic Data Systems. His activities for EDS include architectural design, creation and deployment of various network security related product offerings.

Crow is a member of the IEEE Computer Society, the ACM, the Information Systems Security Association, the High Technology Crime Investigation Association and the Phoenix Chapter of InfraGard. He serves on the Board of Directors for the Phoenix Chapter of InfraGard, the Phoenix Cisco Users Group, and the Arizona Telecommunications and Information Council.

The Arizona Security Practitioner's Forum is an organic group for InfoSEC Professionals.

Generally, our purpose is:

• To facilitate knowledge transfer, networking and growth within the InfoSEC community.
• To provide a forum for IT professionals to grow InfoSEC awareness and competencies.