040000 tree 18b99688513f80ae25745c76d18c0378ea2045a1	asm
100644 blob eac51a5a46b05dde1741ef7a8193f1912f4ba363	chacha.c
100644 blob a40653fa61a5ac9b822ec18c1d9a98a5ff77cf66	chacha_test.cc
100644 blob 5a498119bc3dca77be75d40a505b646af86cd3c2	internal.h