All Algorithms
Poly1305
Conditionally SafeMAC algorithm
This algorithm is safe with sufficient key/output size. Grover's algorithm halves the effective security level.
Algorithm Details
Category
MAC
Quantum Safety
Conditionally Safe
Key Lengths (bits)
256
Notes
One-time authenticator typically paired with ChaCha20. 128-bit authentication tag. Security relies on the secrecy of the one-time key, not on computational hardness, so Grover's algorithm does not directly apply to its MAC security model.
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