Here is a list of all documented files with brief descriptions:

[detail level 1234]

include
fss
group
bytes.cuh
uint.cuh
uint128.cuh
hash
aes128_ccr.cuh	AES-128 circular-correlation-robust hashing
blake3.cuh
sha256.cuh
prg
aes128_mmo.cuh
aes128_mmo_raw.cuh	AES-128 MMO PRG using direct AES-NI intrinsics without OpenSSL overhead
aes128_mmo_soft.cuh	Software AES-128 with Matyas-Meyer-Oseas as a PRG
chacha.cuh
prp
aes128_feistel.cuh	Small-domain PRP via 4-round Feistel network with AES-128 round function and cycle-walking
aes128_feistel_raw.cuh	Small-domain PRP via 4-round Feistel network with AES-128 round function and cycle-walking, computed with AES-NI intrinsics
chacha_feistel.cuh	Small-domain PRP via 4-round Feistel network with a ChaCha20-based round function and cycle-walking
compat.cuh	Single build-time switch for the deprecated v1 Cw-form compatibility entries
constraints.cuh
cuckoo_hash.cuh	Cuckoo-hashing utility for DMPF and VDMPF
dcf.cuh	2-party distributed comparison function (DCF)
dmpf.cuh	2-party distributed multi-point function (DMPF)
dpf.cuh	2-party distributed point function (DPF)
grotto_dcf.cuh	2-party distributed comparison function (DCF) over F2 from standard DPF
group.cuh
half_tree_dpf.cuh	2-party distributed point function (DPF) using the Half-Tree scheme
half_tree_grotto_dcf.cuh	2-party distributed comparison function (DCF) over F2 from the packed Half-Tree DPF
hash.cuh
packed_half_tree_dpf.cuh	2-party distributed point function (DPF) with packed sub-128-bit outputs, based on Half-Tree expansion
prg.cuh
prp.cuh	Pseudorandom permutation (PRP) interface
util.cuh
vdmpf.cuh	2-party verifiable distributed multi-point function (VDMPF)
vdpf.cuh	2-party verifiable distributed point function (VDPF)