~/talks

Ahto Truu

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  • ACCU5 editions2017–2023

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titleconferencedate
Introduction to Secure Multi-Party ComputationACCU 20232023-04-19
Overview of practical secure multi‑party computation: three families exist — homomorphic encryption (Gentry’s 2009 fully homomorphic breakthrough initially…
Talk on
Measuring the Overhead of iostreams: What Is the Difference?ACCU 20222022-04-06
A simple harness generates 1–2 million lines (10–40 million integers) and runs gcc 9.2 -O2 binaries on Ubuntu to compare C stdio vs C++ iostreams with…
Talk on
Introduction to Verifiable ComputingACCU 20222022-04-06
Shows how verifiable computing turns C functions into quadratic arithmetic programs and uses commitments, bilinear pairings and discrete‑log hardness to…
Talk on
Programming as a Sport -- What Do You Mean?ACCU 2021 Online2021-03-10
Overview of competitive programming: contests give word problems whose solutions are implemented as programs judged by correctness via black-box test cases and…
Talk on
How to Build Digital Signatures From Hash FunctionsACCU 2021 Online2021-03-10
Recap of hash‑based construction shows Lamport one‑time signatures plus Merkle tree aggregation turn impractical one‑time keys into reusable public keys…
Talk on
Verified Security of BLT Signature SchemeCPP 20202020-01-20
Formalizes and mechanically verifies that a BLT-style signature scheme becomes existentially unforgeable when a forward‑resistant tagging primitive combines…
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What are hash trees? and why you should careACCU 20192019-04-10
Explains binary Merkle (hash) trees where each parent hash is computed from child hashes using a one-way hash, allowing a server to return both a query result…
Talk in Dutch on
Efficient data aggregation with Fenwick treesACCU 20172017-04-24
Fenwick tree stores cumulative blocks inside the original array so it gives no extra memory while supporting O(log n) updates and queries; building the…
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