040000 tree 435aa34412ebd8375de91fb7274651dd9abd03a6	asm
100644 blob 52102ab06bda7cd61460da6124c8ac71b192595f	chacha.c
100644 blob 6c03502b8f51df11a8981c3687cc68487b637f5e	chacha_test.cc
100644 blob d31a0442ba26044f9b2fec7cd77901efb0ab04df	internal.h