Crypto 2026 Paper: Key Committing Security of HCTR2, Revisited
The paper “Key Committing Security of HCTR2, Revisited” has been accepted at the Crypto 2026 conference. This is the longest-running cryptography conference, and has been held every year since 1981 in Santa Barbara, California, USA. This paper presents improved attacks and proofs for the key committing security of EtE-HCTR2, a robust authenticated encryption scheme constructed …
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