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Merged
merged 3 commits into from
Jun 7, 2025
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nullcoder
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Summary

  • Implements secure PasswordInput component with server-side hashing approach
  • Changes from PIN (4-8 digits) to password (8-64 chars) for better security
  • Updates SPEC.md to reflect server-side PBKDF2 hashing

Implementation Details

Component Features

  • Password validation: 8-64 characters, alphanumeric + special characters
  • Strength indicator: Real-time weak/medium/strong calculation
  • Show/hide toggle: Visibility control for both password fields
  • Character counter: Shows current/max length
  • Confirm field: Optional confirmation for create mode
  • Error handling: Client and server-side error display
  • Accessibility: Full ARIA support and keyboard navigation

Security Approach

  • Server-side hashing: All PBKDF2 hashing done on server
  • HTTPS transport: Password sent securely over HTTPS
  • No client hashing: Simplified approach, standard practice
  • Future enhancement: Noted OPAQUE protocol for zero-knowledge auth

Technical Details

  • PBKDF2-SHA256 with 100,000 iterations
  • 16-byte random salt per password
  • Password strength based on length and character types
  • Helper function isPasswordValid() for validation

Testing

  • ✅ 28 tests covering all functionality
  • ✅ Strength calculation tests
  • ✅ Validation tests
  • ✅ Accessibility tests

Breaking Changes

  • Changed from PIN to password-based authentication
  • Removed client-side hashing in favor of server-side

Demo

Interactive demo at /demo/password-input showing:

  • Create and verify modes
  • Strength indicator examples
  • Component variations
  • Usage examples

Closes #65

🤖 Generated with Claude Code

nullcoder and others added 3 commits June 7, 2025 00:58
- Change from 4-8 digit PIN to 8-64 character password
- Allow alphanumeric and special characters
- Update all references from PIN to password in SPEC.md
- Align with security best practices

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Create secure password input with validation and strength indicator
- Support 8-64 character passwords with alphanumeric and special chars
- Add show/hide toggle and character counter
- Implement password strength calculation (weak/medium/strong)
- Add confirm password field for create mode
- Server-side hashing approach for security (PBKDF2-SHA256)
- Create comprehensive tests and demo page
- Update SPEC.md to reflect server-side hashing decision
- Add note about future OPAQUE protocol consideration

BREAKING CHANGE: Changed from PIN to password-based authentication

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Mark PasswordInput (#65) as complete in TODO.md
- Update PHASE_4_ISSUE_TRACKING.md with PR #95
- Update progress to 14/19 issues (74%) complete
- Update next priority issues list

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
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@nullcoder nullcoder merged commit 8366995 into main Jun 7, 2025
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@nullcoder nullcoder deleted the feat/password-input branch June 7, 2025 08:26
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feat: create password input component for edit protection
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