feat: implement OAuth 2.0 private_key_jwt client authentication #43
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…7523) This comprehensive implementation adds support for private_key_jwt client authentication method as specified in RFC 7523. Key changes include: - Add JWKS storage to OAuth clients with database migrations - Implement JWT client assertion validation with ES256 signature verification - Update PAR endpoint to support private_key_jwt authentication - Fix client type classification for private_key_jwt clients as confidential - Add comprehensive test coverage and example scripts - Update well-known metadata to advertise private_key_jwt support - Fix SQLite session storage upsert behavior and database constraints
ngerakines
approved these changes
Aug 17, 2025
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Adds support for private_key_jwt client authentication method as specified in RFC 7523.
Changes include: