JankariTechUG/GitTrustedTimestamps
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Corrected outdated information in documentation.

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Matthias Bühlmann
2021-03-10 20:34:52 +01:00
parent 3d69cc41f0
commit 67f7e18b62
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@@ -90,7 +90,7 @@ Additionally to retrieving TSA tokens and timestamping the commits with them, th
If a token does not pass these tests, it is not added and the commit is either aborted (if the TSA is not set to optional) or a warning is output (if the TSA is set to optional). If a token does not pass these tests, it is not added and the commit is either aborted (if the TSA is not set to optional) or a warning is output (if the TSA is set to optional).
This repository uses the post-commit hook itself, so if you check the commit history of this repository, you will see that each commit is followed by a -----TIMESTAMP COMMIT----- that contains one or more timestamp tokens. This repository uses the post-commit hook itself, so if you check the commit history of this repository, you will see that each commit is followed by a -----TIMESTAMP COMMIT----- that contains one or more timestamp tokens.
For example, [this](https://github.com/MrMabulous/GitTrustedTimestamps/commit/58ba3dbd480e3c07dbd14beca02092982f8e9492) *timestamp commit* timestamps [this](https://github.com/MrMabulous/GitTrustedTimestamps/commit/80034aeb7857a910f06429c3580635b4afa40cc0) regular commit, which is its direct parent. You can see that the "Digest" that is timestamped by the token is `bf8d5c510b87e22c06f3300e5dbe69f5c6a3f1e1=sha1(parent:6e9841d157c222e9bd79d6580dd029adccf55cde,tree:75be5fcd56edaff4da1fc31d3632da14618f7fc0)`, whereas the tree hash and parent hash in the preimage correspond to the parent and tree of this *timestamp commit*. For example, [this](https://github.com/MrMabulous/GitTrustedTimestamps/commit/58ba3dbd480e3c07dbd14beca02092982f8e9492) *timestamp commit* timestamps [this](https://github.com/MrMabulous/GitTrustedTimestamps/commit/80034aeb7857a910f06429c3580635b4afa40cc0) regular commit, which is its direct parent. You can see that the "Digest" that is timestamped by the token is `d8f311290fb12fbd87c50014b75809150d125272=sha1(version:1,parent:80034aeb7857a910f06429c3580635b4afa40cc0,tree:50c7905ec6a07547e5bdeab38a810c2dc1c5ae44)`, whereas the tree hash and parent hash in the preimage correspond to the parent and tree of this *timestamp commit*.
Since github did not support sha256 hashes yet at the time this repository was created, the hashing algorithm used is sha1 (for a repository initialized with `git init --object-format=sha256` the hashing algorithm will be sha256 or other, once git adds support for further algorithms) Since github did not support sha256 hashes yet at the time this repository was created, the hashing algorithm used is sha1 (for a repository initialized with `git init --object-format=sha256` the hashing algorithm will be sha256 or other, once git adds support for further algorithms)
# For how long are timestamps valid? # For how long are timestamps valid?