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@@ -94,7 +94,7 @@ To avoid reusing tags, which would allow the adversary to distinguish BTP traffi
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### Stream header
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### Stream header
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The pseudo-random tag is followed by the stream header, which consists of a random nonce followed by an ephemeral key encrypted and authenticated with the sender's outgoing header key and the nonce. The stream header is NONCE_LEN + KEY_LEN + AUTH_LEN bytes long. The ephemeral key is used for encrypting and authenticating the rest of the stream.
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The pseudo-random tag is followed by the stream header, which consists of a random initialisation vector followed by an ephemeral key encrypted and authenticated with the sender's outgoing header key, using the random IV as the nonce. The stream header is NONCE_LEN + KEY_LEN + AUTH_LEN bytes long. The ephemeral key is used for encrypting and authenticating the rest of the stream.
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### Frames
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### Frames
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