[Resource Topic] 2017/1007: Malware encryption schemes - rerandomizable ciphertexts encrypted using environmental keys

Welcome to the resource topic for 2017/1007

Title:
Malware encryption schemes - rerandomizable ciphertexts encrypted using environmental keys

Authors: Herman Galteland, Kristian Gjøsteen

Abstract:

Protecting malware using encryption prevents an analyst, defending some computer(s) in the network, from analyzing the malicious code and identifying the intentions of the malware author. We discuss malware encryption schemes that use environmental encryption keys, generated from some computer(s) the malware author intends to attack, and is able to rerandomize ciphertexts, to make each malware sample in the network indistinguishable. We are interested in hiding the intentions and identity of the malware author, not in hiding the existence of malware.

ePrint: https://eprint.iacr.org/2017/1007

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