pub struct PreparedBatch { /* private fields */ }Expand description
Prepare and certify a reference batch; repeated namespace allocation is unsafe.
One batch = 128 one-time keys, their Merkle tree and one Ed25519
certificate. It holds no master seed. Use it through crate::lease,
which makes sure each (epoch, batch_id) is used once.
Implementations§
Source§impl PreparedBatch
impl PreparedBatch
Sourcepub fn new(
master_seed: [u8; 32],
epoch: u64,
batch_id: u64,
signer: &SigningKey,
) -> Self
pub fn new( master_seed: [u8; 32], epoch: u64, batch_id: u64, signer: &SigningKey, ) -> Self
Software bootstrap/oracle. Persist a fresh (epoch, batch_id) first.
Derives 128 seeds, prepares 128 keys, builds the tree and signs the
commitment with signer. The master seed is zeroized before return.
Sourcepub const fn certificate(&self) -> &BatchCertificate
pub const fn certificate(&self) -> &BatchCertificate
Certificate to pre-verify at expected recipients before online traffic.
Sourcepub fn take_key_for_device(&mut self, index: usize) -> Option<PreparedKey>
pub fn take_key_for_device(&mut self, index: usize) -> Option<PreparedKey>
Burn ownership before returning a key to a hardware loader.
The slot becomes None, so this batch can never sign with that key
again, even if the device later fails.
Sourcepub fn attach_certificate(
&self,
index: usize,
wots: WotsSignature,
) -> Option<DsigSignature>
pub fn attach_certificate( &self, index: usize, wots: WotsSignature, ) -> Option<DsigSignature>
Finish a hardware-produced WOTS signature without recreating a secret key.
The full signature must still be independently verified before use.
Returns None if index is out of range or wots is not the key at
that leaf.
Auto Trait Implementations§
impl Freeze for PreparedBatch
impl RefUnwindSafe for PreparedBatch
impl Send for PreparedBatch
impl Sync for PreparedBatch
impl Unpin for PreparedBatch
impl UnsafeUnpin for PreparedBatch
impl UnwindSafe for PreparedBatch
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