040000 tree 12e97003342b7ec9e18590166f64a797469c204e	asm
100644 blob 1092b7aa28462e3bba4e1c6de1e6608a2118fb86	chacha.c
100644 blob 25313cad6d43538b05c1a5913d81b5cc92ca8c2e	chacha_test.cc
100644 blob 1435e3b01e6aec361c240896d7bdf556fbbdab50	internal.h