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Fix randomized_pwd

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This commit is contained in:
dAxpeDDa
2021-07-30 14:45:27 -07:00
committed by Kevin Lewi
parent 460e2aef1c
commit dcaedc278c
1 changed files with 4 additions and 3 deletions
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src/opaque.rs
+4 -3
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@@ -280,7 +280,7 @@ pub struct ClientRegistrationFinishResult<CS: CipherSuite> {
pub state: ClientRegistration<CS>, pub state: ClientRegistration<CS>,
/// Password derived key, only used in tests /// Password derived key, only used in tests
#[cfg(test)] #[cfg(test)]
pub randomized_pwd: Vec<u8>, pub randomized_pwd: GenericArray<u8, <CS::Hash as Digest>::OutputSize>,
} }
// Cannot be derived because it would require for CS to be Clone. // Cannot be derived because it would require for CS to be Clone.
@@ -320,7 +320,8 @@ impl<CS: CipherSuite> ClientRegistration<CS> {
let password_derived_key = let password_derived_key =
get_password_derived_key::<CS::Group, CS::SlowHash, CS::Hash>(&self.token, r2.beta)?; get_password_derived_key::<CS::Group, CS::SlowHash, CS::Hash>(&self.token, r2.beta)?;
let h = Hkdf::<CS::Hash>::new(None, &password_derived_key); #[cfg_attr(not(test), allow(unused_variables))]
let (randomized_pwd, h) = Hkdf::<CS::Hash>::extract(None, &password_derived_key);
let mut masking_key = vec![0u8; <CS::Hash as Digest>::OutputSize::to_usize()]; let mut masking_key = vec![0u8; <CS::Hash as Digest>::OutputSize::to_usize()];
h.expand(STR_MASKING_KEY, &mut masking_key) h.expand(STR_MASKING_KEY, &mut masking_key)
.map_err(|_| InternalPakeError::HkdfError)?; .map_err(|_| InternalPakeError::HkdfError)?;
@@ -339,7 +340,7 @@ impl<CS: CipherSuite> ClientRegistration<CS> {
#[cfg(test)] #[cfg(test)]
state: self, state: self,
#[cfg(test)] #[cfg(test)]
randomized_pwd: password_derived_key, randomized_pwd,
}) })
} }
} }