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040000 tree 851801c917924533c0d4644d9d09908294c3e67c	bn
040000 tree 297ae2773f11eaeafbad91743b0de6cc3454da53	chacha
040000 tree 9f314d41a3bea62e0c4ba9625fb92daacacd5e86	md5
040000 tree 15936c77e74e9c8129a23883970367d5c54aa2fd	modes
040000 tree 25772f37a8520cf24c7ef4a1649f73c2e74042cf	rc4
040000 tree b823ca952d3aaa0da29632d4f55943287f931202	sha