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Efficient error correction and key derivation is a prerequisite to generate secure and reliable keys from PUFs. The most common methods can be divided into linear schemes and pointer-based schemes. This work compares the performance of several previous designs on an algorithmic level concerning the required number of PUF response bits, helper data bits, number of clock cycles, and FPGA slices for two scenarios. One targets the widely used key error probability of 10 −6 , while the other onedoi:10.1007/s13389-020-00223-w fatcat:oh2ce3ugrvfozg4y6qkj3xhkhu