PRIVACYPASS @ IETF 122

2025 March 20 (Thursday), 13:00-15:00 ICT

Marriot Marquis Bangkok Queen’s Park, Floor 3, Boromphimarm 4

Chairs: Joe Salowey (onsite), Ben Schwartz (remote)

AD: Paul Wouters

• Minutes
• Chat
• Meetecho
• Onsite Tool
• Audio Stream

Agenda

Administrivia (5 min)

Chairs

• Status Update for Batched Token Issuance Protocol
• Adoption call for Privacy Pass Token Expiration Extension
• Planned WGLC for Privacy Pass Issuance Protocols with Public Metadata and The PrivateToken HTTP Authentication Scheme Extensions Parameter

Privacy Pass (70 min)

Token Metadata (20 min)

Scott Hendrickson

• Privacy Pass Token Expiration Extension
• Privacy Pass Issuance Protocols with Public Metadata
• The PrivateToken HTTP Authentication Scheme Extensions Parameter

Attester Issuer Protocol (10 min)

Scott Hendrickson

• Presentation (5 min)
• Discussion (5 min)

Privacy Pass Reverse Flow (10 min)

Thibault Meunier

• Presentation (5 min)
• Discussion (5 min)

Including Privacy Pass Tokens in TLS Handshakes (10 min)

Tommy Pauly

• Presentation (5 min)
• Discussion (5 min)

Privacy Pass with Token Binding Extension (10 min)

Wei Guo

• Presentation (5 min)
• Discussion (5 min)

Anonymous Credentials (55 min)

Overview (45 min)

Steven Valdez

• Discussion of the Scope/Use Cases of Anonymous Credentials
• Discussion of Extensions beyond privacypass
• Pointers/Overview of Cryptographic Work in this space
• Open Discussion
• Next Steps

Anonymous Rate-Limited Credentials (10 min)

Chris Wood