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DISCO*: DIstributed and SCalable Oblivious Joins and Oblivious Primitives
eprint.iacr.orgpaper

DISCO*: DIstributed and SCalable Oblivious Joins and Oblivious Primitives

DISCO is a distributed, fully oblivious database system that combines hardware enclaves (TEEs) with oblivious primitives to hide access patterns from side-channel and leakage-abuse attacks. New distributed frameworks and communication optimizations let it run in parallel across servers. It reports 88x speedup over Jodes and 180x over SODA on non-foreign-key joins with 2^25 elements, and the first terabyte-scale results.

TL;DR Presents DISCO, a distributed oblivious database on TEEs that is far faster than prior oblivious join systems and scales to terabytes.
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Organisations named here

  • Jodes
  • SODA
  • SOSP 2026

Technologies named here

  • Trusted Execution Environments
  • Jodes
  • SODA
  • DISCO

Techniques named here

  • Oblivious joins, including non-foreign key joins
  • Oblivious sorting

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