Update libsignal-service/src/provisioning/manager.rs

Co-authored-by: Ruben De Smet <[email protected]>
whisperfish · Jan 18, 2022 · 415f76d · 415f76d
1 parent 7b053f0
commit 415f76d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libsignal-service/src/provisioning/manager.rs b/libsignal-service/src/provisioning/manager.rs
@@ -478,7 +478,7 @@ pub fn encrypt_device_name<R: rand::Rng + rand::CryptoRng>(
         .calculate_agreement(identity_public)?;
 
     let key1 = calculate_hmac256(&master_secret, b"auth")?;
-    let mut synthetic_iv = calculate_hmac256(&key1, &plaintext)?;
+    let mut synthetic_iv = calculate_hmac256(&key1, device_name.as_bytes())?;
     synthetic_iv.truncate(16);
 
     let key2 = calculate_hmac256(&master_secret, b"cipher")?;