Zcash is an implementation of the Decentralized Anonymous Payment scheme Zerocash,
with security fixes and improvements to performance and functionality. It bridges the existing …

This paper provides efficient authenticated-encryption (AE) schemes in which a ciphertext is
a commitment to the key. These are extended, at minimal additional cost, to schemes where …

This paper initiates research on zero-knowledge middleboxes (ZKMBs). A ZKMB is a
network middlebox that enforces network usage policies on encrypted traffic. Clients send …

We provide a strong definition for committing authenticated-encryption (cAE), as well as a
framework that encompasses earlier and weaker definitions. The framework attends not only …

A core goal of the NIST PQC competition is to produce PKE schemes which, even if attacked
with a large-scale quantum computer, maintain the security guarantees needed by …

MEGA is a leading cloud storage platform with more than 250 million users and 1000
Petabytes of stored data. MEGA claims to offer user-controlled, end-to-end security. This is …

MEGA is a large-scale cloud storage and communication platform that aims to provide end-
to-end encryption for stored data. A recent analysis by Backendal, Haller and Paterson …

Web users can gather data from secure endpoints and demonstrate the provenance of
sensitive data to any third party by using privacy-preserving TLS oracles. In practice, privacy …

This paper examines the security of Rocca, an authenticated encryption algorithm designed
for Beyond 5G/6G contexts. Rocca has been revised multiple times in the initialization and …

The Duplex construction, introduced by Bertoni et al.(SAC 2011), is the Swiss Army knife of
permutation-based cryptography. It can be used to realise a variety of cryptographic objects …