PapaTutuWawa/omemo_dart
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fix: Remove TODO

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The X3DH spec says that salt (presumably the nonce) is supposed
to be [0, 0, ..., 0] with the length of the hash. I seem to have
skipped over that.

From Section 2.2:
"HKDF salt = A zero-filled byte sequence with length equal to the
hash output length."
This commit is contained in:
PapaTutuWawa 2022-08-02 15:17:07 +02:00
parent 566cb1b0ec
commit 15df3b7f6b
1 changed files with 0 additions and 1 deletions
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lib/src/x3dh.dart
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@ -71,7 +71,6 @@ Future<List<int>> kdf(List<int> km) async {
); );
final output = await algorithm.deriveKey( final output = await algorithm.deriveKey(
secretKey: SecretKey(input), secretKey: SecretKey(input),
// TODO(PapaTutuWawa): Fix
nonce: List<int>.filled(32, 0x00), nonce: List<int>.filled(32, 0x00),
info: utf8.encode('OMEMO X3DH'), info: utf8.encode('OMEMO X3DH'),
); );