iUpdate DESIGN - dedup - deduplicating backup program	Err	bitreich.org	70
hgit clone git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/	URL:git://bitreich.org/dedup/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/dedup/	bitreich.org	70
1Log	/scm/dedup/log.gph	bitreich.org	70
1Files	/scm/dedup/files.gph	bitreich.org	70
1Refs	/scm/dedup/refs.gph	bitreich.org	70
1Tags	/scm/dedup/tag	bitreich.org	70
1README	/scm/dedup/file/README.gph	bitreich.org	70
1LICENSE	/scm/dedup/file/LICENSE.gph	bitreich.org	70
i---	Err	bitreich.org	70
1commit 444b9123043fedf7fffd116093babde7937cb52f	/scm/dedup/commit/444b9123043fedf7fffd116093babde7937cb52f.gph	bitreich.org	70
1parent fcc899cbc1d3c835f1b28b9702e6965505ac8d66	/scm/dedup/commit/fcc899cbc1d3c835f1b28b9702e6965505ac8d66.gph	bitreich.org	70
hAuthor: sin <sin@2f30.org>	URL:mailto:sin@2f30.org	bitreich.org	70
iDate:   Thu, 16 May 2019 14:19:41 +0300	Err	bitreich.org	70
i	Err	bitreich.org	70
iUpdate DESIGN	Err	bitreich.org	70
i	Err	bitreich.org	70
iDiffstat:	Err	bitreich.org	70
i  M DESIGN                              |       9 +++++----	Err	bitreich.org	70
i	Err	bitreich.org	70
i1 file changed, 5 insertions(+), 4 deletions(-)	Err	bitreich.org	70
i---	Err	bitreich.org	70
1diff --git a/DESIGN b/DESIGN	/scm/dedup/file/DESIGN.gph	bitreich.org	70
i@@ -24,18 +24,19 @@ bottom these are as follows:	Err	bitreich.org	70
i 	Err	bitreich.org	70
i The generic layer is the one that client code interfaces with.  It is	Err	bitreich.org	70
i the top level entrypoint to the block layer.  The generic layer	Err	bitreich.org	70
i-calculates the hash of the block and passes it down to the storage	Err	bitreich.org	70
i-layer when writing a new block.	Err	bitreich.org	70
i+calculates the hash of the block and passes it down to the compression	Err	bitreich.org	70
i+layer.	Err	bitreich.org	70
i 	Err	bitreich.org	70
i The compression layer will prepend a compression descriptor to the	Err	bitreich.org	70
i block and then compress the block using snappy or lz4.  It is possible	Err	bitreich.org	70
i to disable compression in which case a special descriptor is prepended	Err	bitreich.org	70
i-and the data is passed uncompressed to the layer below.	Err	bitreich.org	70
i+and the data is passed uncompressed to the encryption layer.	Err	bitreich.org	70
i 	Err	bitreich.org	70
i The encryption layer will prepend an encryption descriptor to the	Err	bitreich.org	70
i block and then encrypt/authenticate the block using XChaCha20 and	Err	bitreich.org	70
i Poly1305.  It is possible to disable encryption in which case it acts	Err	bitreich.org	70
i-as a bypass with a special type of encryption descriptor.	Err	bitreich.org	70
i+as a bypass with a special type of encryption descriptor.  The block	Err	bitreich.org	70
i+is then passed to the storage layer.	Err	bitreich.org	70
i 	Err	bitreich.org	70
i The storage layer will prepend a storage descriptor and append the	Err	bitreich.org	70
i descriptor and the data to a single backing file.	Err	bitreich.org	70
.