mTLS support for iOS app when connecting to self-hosted Bitwarden environments that require client certificates.

[jalenfran]

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✅ Code Contribution Proposal

Code Contribution Proposal

Feature Description

Implementation of client certificate authentication (mTLS) support for iOS app when connecting to self-hosted Bitwarden environments that require client certificates.

Related Feature Request

Implementing mTLS in the Bitwarden apps

Proposed Implementation

• Client certificate import via PKCS#12 (.p12/.pfx) files
• Password-protected certificate support with secure UI prompt
• Global certificate storage (independent of user login)
• mTLS HTTP client integration for server authentication
• Certificate management UI integrated into self-hosted server configuration

Screenshots

Technical Details

• Secure certificate storage using existing app settings infrastructure
• URLSession delegate implementation for client certificate authentication
• SwiftUI interface for certificate management
• Comprehensive error handling and user feedback

Files Modified/Added

• Core certificate models and services
• HTTP client with mTLS support
• Self-hosted configuration UI updates
• State management for certificate workflows

Testing

• Successfully tested with self-hosted environments requiring client certificates
• Password-protected certificates working correctly
• Certificate removal and management functional

Looking for feedback from the community and Bitwarden team before submitting the pull request.

[github-actions[bot]]

✨ Thank you for your code contribution proposal! While the Bitwarden team reviews your submission, we encourage you to check out our contribution guidelines.

Please ensure that your code contribution includes a detailed description of what you would like to contribute, along with any relevant screenshots and links to existing feature requests. This information helps us gather feedback from the community and Bitwarden team members before you start writing code.

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