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SUMMARY:MSG GOV: Building Brazil's Sovereign Government Messaging Platform
  on Matrix - Paulo A L Rego\, Michel Sales\, Diego Serpa\, Jose Macedo
DTSTART;TZID=Europe/Stockholm:20261022T121500
DTEND;TZID=Europe/Stockholm:20261022T124000
DTSTAMP:20260919T121642Z
UID:pretalx-matrix-conference-2026-LNVNTW@cfp.2026.matrix.org
DESCRIPTION:Governments increasingly need messaging that is secure\, feder
 ated\, and independent from foreign proprietary platforms\, but turning an
  open protocol into a deployable government tool raises hard questions abo
 ut sovereignty\, infrastructure\, and identity. This talk presents MSG GOV
 \, a Matrix-based messaging platform for the Brazilian federal government.
  Today\, it targets a defined set of public servants rather than the entir
 e population or every government employee — a deliberate\, controlled sc
 ope as the platform matures. We plan to share the factors that drove the n
 eed for a sovereign messaging app in the first place and to dig into how M
 SG GOV is built and run. The solution is designed to operate on SERPRO's s
 overeign cloud\, the Brazilian government's own cloud infrastructure\, wit
 h all the operational and trust implications that entail. At the center of
  the talk is identity: how MSG GOV integrates with gov.br\, Brazil's natio
 nal single-sign-on system\, through a dedicated user management module we 
 developed to bridge gov.br authentication with Matrix accounts.
LOCATION:Katherine
URL:https://cfp.2026.matrix.org/matrix-conference-2026/talk/LNVNTW/
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SUMMARY:Towards a Post-Quantum Matrix Protocol: A Hybrid Wrapper Adapted t
 o the Brazilian Scenario - Paulo A L Rego\, Gilvan Maia\, Rodrigo Pacheco
DTSTART;TZID=Europe/Stockholm:20261022T144500
DTEND;TZID=Europe/Stockholm:20261022T151000
DTSTAMP:20260919T121642Z
UID:pretalx-matrix-conference-2026-TZ8ZYX@cfp.2026.matrix.org
DESCRIPTION:This presentation outlines the development experience of a pos
 t-quantum cryptography (PQC) wrapper for the vodozemac library\, tailored 
 for its use in MSG\nGOV\, a Matrix-powered E2EE messenger for the Brazilia
 n federal government. Our wrapper is designed to support multiple PQC algo
 rithms\, including ML-KEM and Brazil's state-mandated cryptography. The ta
 lk details the practical software engineering challenges associated with t
 he hybrid integration of flexible PQC features into the Matrix protocol\, 
 extending both the key agreement and the Double Ratchet algorithm while ma
 intaining backwards compatibility.
LOCATION:Sofya
URL:https://cfp.2026.matrix.org/matrix-conference-2026/talk/TZ8ZYX/
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