040000 tree 13950e600836c2d739b464163a0fdb3785fea931	asm
100644 blob a4d88c0a40923e23a74ecc5fc995f62e3dfaa9dc	chacha.c
100644 blob d4e5332b4035488338f6c903744689970f1d2140	chacha_test.cc
100644 blob 5f442ec461603fff06388ae5fdfd41be9fb0c5a0	internal.h