(3 . 3)(3 . 4)
19 511300 phf keccak Included diana_coman's keccak implementation.
20 511300 phf vdiff_keccak Vdiff hashing and output using Keccak instead of SHA512.
21 512600 phf vtools_fixes_bitrate_char_array Fixes for keccak from diana_coman, different approach to C interop.
22 514700 phf vtools_vpatch Initial vpatch tool implementation in Ada.