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UUIDv47: Store UUIDv7 in DB, emit UUIDv4 outside (SipHash-masked timestamp)
⚡ UUIDv47 = v4 privacy + v7 performance. Contribute to stateless-me/uuidv47 development by creating an account on GitHub.
Header-only C (C89) · zero deps Deterministic, invertible mapping (exact round-trip) RFC-compatible version/variant bits (v7 in DB, v4 on the wire) Key-recovery resistant (SipHash-2-4, 128-bit key) Full tests provided Why Quick start Public API Specification UUIDv7 bit layout Façade mapping (v7 ↔ v4) SipHash message derived from random Invertibility Collision analysis Security model Build, test, coverage Integration tips Performance notes FAQ License
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