Files
zeekay 5f514fa2d9 Initial commit: PCI-compliant card tokenization vault
- AES-256-GCM encryption with envelope key management (HSM-ready)
- Token generation with PAN fingerprinting and brand detection
- RBAC authorization (tokenizer, operator, key admin, auditor roles)
- Immutable audit logging for all vault operations
- Card storage with multi-tenant isolation
- HTTP API: tokenize, detokenize, metadata, delete, rotate
- Comprehensive test suite (19 tests, all passing)

Production TODOs: HSM backend, PostgreSQL storage, mTLS, append-only audit DB
2026-02-23 17:44:27 -08:00
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