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feat: bind OTP client signatures to strict intents - #99

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grant/cor-94-tob-26q2-20-otp-login-and-signup-intents-include-attacker/strict-csk-binding
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grant-turnkey wants to merge 1 commit into
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grant/cor-94-tob-26q2-20-otp-login-and-signup-intents-include-attacker/strict-csk-binding

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@grant-turnkey grant-turnkey commented Oct 6, 2026 •

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Summary & Motivation

  • Add LoginUsageV2 and SignupUsageV3. These updated requests sign more fields, prevent manipulation of newly created sub-organizations and login sessions.

How I Tested These Changes

Unit tests

Changeset

yes

@grant-turnkey
grant-turnkey force-pushed the grant/cor-94-tob-26q2-20-otp-login-and-signup-intents-include-attacker/strict-csk-binding branch from 0a7dacc to d25ee0c Compare October 6, 2026 15:39
@grant-turnkey
grant-turnkey marked this pull request as ready for review October 6, 2026 15:40
@grant-turnkey
grant-turnkey deleted the grant/cor-94-tob-26q2-20-otp-login-and-signup-intents-include-attacker/strict-csk-binding branch October 9, 2026 15:11
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