040000 tree 722dd0837ce04227384d6959d63dfb34d43da0d2	asm
100644 blob ee78a7dcbe0837b40b67c0765d37cff4fbec4d50	chacha.cc
100644 blob d00926d8c700b367a4a6b9daaedb4fae985909b3	chacha_test.cc
100644 blob 828621b9f3a5db02b822a4c003a8ffe259e149ab	internal.h