Please don't. DJB2 is a poor hash function. It's similar to FNV: Entropy only moves upwards, so flipping higher bits doesn't affect lower bits. In other words,

Please don't. DJB2 is a poor hash function. It's similar to FNV: Entropy only moves upwards, so flipping higher bits doesn't affect lower bits. In other words, you risk mapping `n` and `-n` to the same value under some modulus.