The Center for Education and Research in Information Assurance and Security (CERIAS)

The Center for Education and Research in
Information Assurance and Security (CERIAS)
Center for Education and Research in Information Assurance and Security

Cipher Instruction Search Attack on the Bus Encryption Security Microcontroller Ds5002FP (preprint)

Author

Markus G. Kuhn

Entry type

techreport

Abstract

A new practical attack on a widely used bus encryption microprocessor, which decrypts software on-the-fly when bytes are fetched from RAM, is presented. It allows easy unauthorized access to clear memory.

Address

Erlangen, Germany 91058

Institution

Universitat Erlangen-Nurnberg

Key alpha

Kuhn

Publication Date

0000-00-00

Keywords

Bus encryption, cryptography, tamper resistance, secure microprocessor, crypto processor,software protection

Location

A hard-copy of this is in the Papers Cabinet

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