Skip to content

ml-kem: impl KeyExport for DecapsulationKey #228

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
tarcieri merged 1 commit into from
Jan 31, 2026
Merged

ml-kem: impl KeyExport for DecapsulationKey #228

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 15 additions & 0 deletions ml-kem/src/decapsulation_key.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,7 @@ where
type KeySize = U64;
}

/// Initialize [`DecapsulationKey`] from a 64-byte uniformly random [`Seed`] value.
impl<P> KeyInit for DecapsulationKey<P>
where
P: KemParams,
Expand All @@ -196,6 +197,20 @@ where
}
}

/// Serialize the 64-byte [`Seed`] value used to initialize this [`DecapsulationKey`].
///
/// # Panics
/// If this [`DecapsulationKey`] was initialized using legacy expanded key support
/// (see [`ExpandedKeyEncoding`]).
impl<P> KeyExport for DecapsulationKey<P>
where
P: KemParams,
{
fn to_bytes(&self) -> Seed {
self.to_seed().expect("should be initialized from a seed")
}
}

/// DEPRECATED: support for encoding and decoding [`DecapsulationKey`]s in the legacy expanded form,
/// as opposed to the more widely adopted [`Seed`] form.
///
Expand Down