Integrated Cryptographic Network Interface Controller

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Integrated CryptographicNetwork Interface
Controller

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• Glenn A. Emelko

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Concept

• Use standard LAN controller
• Fully Ethernet Compatible
• Integrated On-board Cryptography
• Configurable Encryption Settings
• Automatic Key Management
• Built-in Entropy Generator
• Auto-secure Connection Mode

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Cryptography Wish List

• High Speed
• Large Volume Secure Transactions
• Minimal Computational Requirements
• Flexible
• Wide range of settings depending on desired level
  of privacy and speed
• Parameters (such as key size) have quantified
  effects on overall security

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Cryptography Wish List (cont.)

• Advances in computation, number theory, or
  quantum computing should not compromise security
• P(M)P(MC), P(K)P(KC)
• Suitable for use with many different
  cryptographic protocols
• Publication of cryptographic method or protocol
  will not compromise security

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Cryptographic Engine

• FPGA Based Design
• Variable Length Packets
• Variable Length Key
• Dynamic Configuration
• High Speed / Throughput
• Internal Entropy Generator
• Key Negotiation Protocol

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LAN Controller

• Fully 10/100Base-T Compatable
• One-chip Design
• Drivers available for numerous operating systems

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Architecture

• On board CPLD or FPGA
• PCI interface for PC Architecture
• On board FIFO Buffer RAM
• 10/100 Base-T interface (UTP Cat-5)

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Research Topics

• Dynamic Cryptographic Protocol
• Fully Automatic Key Exchange
• Entropy Generation
• Alternatives to IPSEC
• Competition of Existing Standards
• Compatibility
• Simplicity vs. Security

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References

• A. Beutelspacher (1991), Cryptology
• N. Koblitz (1994), A Course on Number Theory and
  Cryptography
• S. Levy (2001), Crypto
• B. Schneier (1996), Applied Cryptography
• S. Singh (1999), The Code Book
• D. Welsh (1995), Codes and Cryptography
• Numerous Internet Sources