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Chaffinch Confidentiality in the Face of Legal Threats

Threat Model: Compulsion. An adversary that can compel users to reveal encryption keys or content of messages. She is also a passive observer and knows when communication occurs.We need a channel which offers secrecy:Without using any encryption primitives.Allowing users to plausibly deny that any messages except for a cover message are present in the communications..

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Chaffinch Confidentiality in the Face of Legal Threats

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