Want know my work?

Published text

I'm currently writing 4 secret papers ;) . Still, I have some published texts:

  • 'No evidence of communication: Off-The-Record Protocol version 4'. Find it here. This extended abstract was written for HotPETS from PETS2018.
  • 'Privacy and deniability by design: Off-the-Record messaging version 4'. Find it here. This extended abstract was written for PUT2019.
  • 'The current state of denial'. Find it here. This extended abstract was written for HotPETS from PETS2020. This is a joint collaboration with Iraklis Symeonidis.
  • Contributor at 'Oblivious Pseudorandom Functions (OPRFs) using Prime-Order Groups'. Find it here.
  • Author of 'Privacy Pass: The Protocol'. Find it here.
  • Author of 'Definition of End-to-end Encryption'. Find it here.
  • Reviewer and happy collaborator to 'Crypto Dictionary' from the amazing JP Aumasson. Find it here.
  • Blogpost at Cloudflare with Thom Wiggers: "KEMTLS: Post-quantum TLS without signatures". Find it here.

Organizer

I love organizing summits and gatherings:

  • Latin American cryptographers group. Are you a Latin American working in Cryptography? Ping me!
  • OTRv4 summit colocated with PETS2019, Stockholm, Sweden. Find more information here and here.
  • Secure messaging summit 2020. Find more information here.
  • Meeting around Deniability at Real World Crypto 2021. Find more information here.
  • Informal meeting around Anonymous Credentials at Real World Crypto 2021. Find more information here.
  • UPCOMING: Workshop on digital rights for latin american women at Taller de Comunicación Mujer.
  • UPCOMING: Digital rights and Latin America panel. Details to be published soon.
  • UPCOMING: Second meeting around Anonymous Credentials. Details to be published soon.
  • UPCOMING: Post-quantum cryptography and networks (PQNet). Details to be published soon.

Reviews/Advisor

I'm part of the review committee for these events:

  • PETS2020: Artifact Review Committee. See what is it about here
  • USENIX: Artifact Review Committee. See what is it about here.
  • PETS2021: Artifact Review Committee. See what is it about here

I'm a technical advisor for:

I moderate talks on:


Grants/Sponsorships received

For my work, I sometimes receive grants or sponsorships:

  • NLnet and NGIO Zero: NGI0 PET Fund, 2020. A grant received for continue working on the OTRv4 project. Find more information here.
  • Cloudflare: Sponsorship for Cryptography Research, 2020.
  • USENIX Security '20: Diversity grant.

Awards

  • Academic scholarship for high school studies.
  • Academic scholarship for University studies from Universidad Católica del Ecuador: 2012-2017.
  • Roll of honor: Conservatorio Nacional de Música.

Interviews

I've given some interviews:

  • Cryptography FM. Find it here.
  • Radios Libres. Find it here.
  • The Daily Swig, around KEMTLS. Find it here.

Talks

I've given tons of talks:

  • Elliptic Curves: from magic to Goldilocks at CryptoRave2018, São Paulo, Brazil (2018).
  • "No evidence of communication: Off-The-Record Protocol version 4" at PETS2018, Barcelona, Spain. Watch the talkhere.
  • "No evidence of communication: OTRv4 (Off-the-Record) v4" at the Privacy Enhancements and Assessments Proposed Research Group (PEARG) from IETF 103 (2018).
  • "No evidence of communication and morality in protocols: Off-the-Record protocol version 4", at the 35th Chaos Computer Congress (35c3), Leipzig, Germany. Watch the talkhere.
  • "Deniability in a group chat setting" at the Message Layer Security (MLS) group from IETF (2019).
  • "Deniability in a group chat setting" at the Message Layer Security (MLS) group from IETF (2019).
  • "No evidence of communication and implementing a protocol: Off-the-Record protocol version 4" at FOSDEM 2018, Brussels, Belgium. Watch the talkhere.
  • "Clang tools for implementing cryptographic protocols like OTRv4" at Euro Developers meeting 2018, Brussels, Belgium. Watch the talkhere.
  • "A case around secure messaging: OTRv4" at the Computer Security and Industrial Cryptography (COSIC) from the Katholieke Universiteit Leuven, Leuven, Belgium. Watch the talkhere.
  • "The loss of the sovereignty in privacy" at Security in Times of Surveillance event, Eindhoven, The Netherlands. Watch the talk here.
  • "A case around secure messaging: OTRv4" at EI/Ψ seminar from the Eidenhoven University of Technology, Eindhoven, The Netherlands, 2019. Find more informationhere.
  • "A case around secure messaging: OTRv4" at DS Colloquium from the Radboud University in Nijmegen, The Netherlands, 2019. Find the information here.
  • "Privacy and deniability by design: Off-the-Record messaging version 4" at the Open Day for Privacy, Usability, and Transparency (PUT 2019) from PETS2019 at Stockholm, Sweden. Find the information here.
  • "A case around secure messaging: OTRv4" at the Ss. Cyril and Methodius University in Skopje, Macedonia, 2019. Find the information here.
  • "Off-the-Record" at HotRFC from IETF 106 at Singapore, Singapore, 2019. Find the information here.
  • "Security and privacy, an unsustainable balance" at Our Data, Our Future: Radical Tech for a Democratic Digital Society from DECODE, Turin, Italy, 2019. Find the information here.
  • "The state of secure messaging: the case of OTR" at "Critical Decentralisation Cluster" at the 36th Chaos Computer Congress (36c3), Leipzig, Germany, 2019. Find the information here.
  • "Communicating in private way: should we care?" at "Critical Decentralisation Cluster": part of the panel, 2020. Find the information here.
  • "A case around secure messaging: OTRv4" at the University of Luxembourg City, Luxembourg, 2020.
  • "Communicating in private way: should we care?" at "Legal Hackers Meetup": part of the panel, 2020. Find the information here.
  • "Why Golang" at Women Who Go Paris, 2020. Find the information here.
  • "The current state of denial" at HotPETS from PETS2020. Find the information here.
  • "The devil is in the detail: designing and implementing the 4th version of the Off-the-Record messaging protocol" at The 8th Technion Summer School on Cyber and Computer Security Privacy in Challenging Times. Find the information here.
  • "The double-ratchet algorithm: its security and privacy properties" at Cryptography Meetup. Find the information here.
  • "Las siete vidas de un gato post-quántico" with Armando Faz for CFTV from Cloudflare. Find the information here.
  • "The state of digital rights in Latin America", happening at rc3.Find the recording here.
  • "Post-quantum TLS without handshake signatures" with Peter Schwabe, Douglas Stebila, Thom Wiggers and Armando Faz at Real World Crypto 2021. Find the information here.
  • "'I thought I was being strong with a complicated person': the tales of intimate gender-based online abuse in the Global South" at Enigma2021, a Usenix Conference. Find the information here.
  • "The state of denial" at the Research Seminar in the Information Security Group at Royal Holloway. Find the information here.
  • "DMLS: Deniable MLS" at MLS Working Group, IETF110. Find the information here.
  • "OPAQUE with TLS 1.3" at TLS Working Group, IETF110. Find the information here.
  • "Anonymous Credentials: Highlights from the meeting" at Privacy Pass Working Group, IETF110.
  • UPCOMING: "KEMTLS" with Thom Wiggers for CFTV from Cloudflare.