dedup

deduplicating backup program
git clone git://git.2f30.org/dedup.git
Log | Files | Refs | README | LICENSE

commit 08da54bc98110a6bb2757e8aee340ad3e0704d91
parent f81b3debf25007a65bed7285027fe09a81dd5517
Author: sin <sin@2f30.org>
Date:   Thu,  2 May 2019 15:59:45 +0100

Explain how to use encrypted repos in README

Diffstat:
MREADME | 24++++++++++++++++++++++++
1 file changed, 24 insertions(+), 0 deletions(-)

diff --git a/README b/README @@ -25,6 +25,30 @@ To extract a snapshot: dup-unpack -r repo foo > dir.tar +Encrypting a dedup repository +============================= + +First a secret key has to be generated using dup-keygen(1). This is a +256-bit symmetric key. + + dup-keygen keyfile + +Initialize the repo and select XChaCha20-Poly1305 as the encryption +algorithm: + + dup-init -E XChaCha20-Poly1305 repo + +To create a snapshot: + + tar -c ~/dir | dup-pack -k keyfile -r repo foo + +To extract a snapshot: + + dup-unpack -k keyfile -r repo foo > dir.tar + +All tools understand the -k option when operating on an encrypted +dedup repository. + Portability ===========