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| author | Alexander Færøy <ahf@torproject.org> | 2023-06-15 13:12:44 +0000 |
|---|---|---|
| committer | Alexander Færøy <ahf@torproject.org> | 2023-06-15 13:12:44 +0000 |
| commit | feed905266688f34c67446c19924026bd46e2168 (patch) | |
| tree | d5885bf1fc341a421b968c5f86059b0d15837692 /rend-spec-v3.txt | |
| parent | afff4c91e6cc6c004e3d609ff243d74d9248eb63 (diff) | |
| parent | 4b18bb2b16f301b5539e0b68f3406fc4705b4385 (diff) | |
| download | torspec-feed905266688f34c67446c19924026bd46e2168.tar.gz torspec-feed905266688f34c67446c19924026bd46e2168.zip | |
Merge branch 'mac_key_len' into 'main'
rend-spec: document MAC_KEY_LEN=32.
See merge request tpo/core/torspec!141
Diffstat (limited to 'rend-spec-v3.txt')
| -rw-r--r-- | rend-spec-v3.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/rend-spec-v3.txt b/rend-spec-v3.txt index 04e5c4c..e1d6174 100644 --- a/rend-spec-v3.txt +++ b/rend-spec-v3.txt @@ -216,6 +216,9 @@ Table of contents: * Instantiate MAC(key=k, message=m) with H(k_len | k | m), where k_len is htonll(len(k)). + When we need a particular MAC key length below, we choose + MAC_KEY_LEN=32 (256 bits). + For legacy purposes, we specify compatibility with older versions of the Tor introduction point and rendezvous point protocols. These used RSA1024, DH1024, AES128, and SHA1, as discussed in |