15df3b7f6bd5add6ab41f40d6900f9d65367b28b
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."
omemo_dart
Hopefully, a library enabling developers to build OMEMO-supporting XMPP clients in Dart and Flutter.
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