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Applying envelope simplified construction and km3 mac changes (#128)

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This commit is contained in:
Kevin Lewi
2021-02-04 15:57:06 -08:00
committed by GitHub
parent 9d3963f98e
commit 099f887530
5 changed files with 523 additions and 394 deletions
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src/key_exchange/tripledh.rs
+3 -2
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@@ -34,7 +34,7 @@ static STR_3DH: &[u8] = b"3DH keys";
static STR_CLIENT_MAC: &[u8] = b"client mac";
static STR_HANDSHAKE_SECRET: &[u8] = b"handshake secret";
static STR_SERVER_MAC: &[u8] = b"server mac";
static STR_SERVER_ENC: &[u8] = b"server enc";
static STR_SERVER_ENC: &[u8] = b"handshake enc";
static STR_ENCRYPTION_PAD: &[u8] = b"encryption pad";
static STR_SESSION_SECRET: &[u8] = b"session secret";
static STR_OPAQUE: &[u8] = b"OPAQUE ";
@@ -140,6 +140,7 @@ impl<D: Hash, G: Group> KeyExchange<D, G> for TripleDH {
let mut hasher3 = D::new();
hasher3.update(&transcript2);
hasher3.update(&mac);
let hashed_transcript = hasher3.finalize();
Ok((
@@ -207,7 +208,7 @@ impl<D: Hash, G: Group> KeyExchange<D, G> for TripleDH {
let mut hasher2 = D::new();
hasher2.update(transcript);
// hasher2.update(ke2_message.mac.to_vec()); // FIXME, sync with @caw on including this
hasher2.update(ke2_message.mac.to_vec());
let hashed_transcript = hasher2.finalize();
let mut client_mac =