Note: BLAKE2s is used throughout (key derivation, PRF, jitter) via hashlib.blake2s in the Python standard library — no external dependency is required for the non-AEAD cryptographic operations. Each ...
A Python library for reversible encryption of geographic coordinates that hides both tile identity (via a Feistel PRP) and sub-tile precision (via ChaCha20-Poly1305 AEAD), while enabling a display ...
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