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SigningKey

laser_sdk::sign

Struct SigningKey 

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pub struct SigningKey { /* private fields */ }
Expand description

An Ed25519 signing key. Sign an envelope to produce the detached Signature to attach with AgentEnvelope::with_signature.

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impl SigningKey

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pub fn from_bytes(secret: &[u8; 32]) -> Self

Build from a 32-byte Ed25519 secret seed.

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pub fn key_id(&self) -> &[u8] ⓘ

This key’s 8-byte id, the Signature::key_id it stamps.

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pub fn verifying_key(&self) -> VerifyingKey

The public verifying key, to enroll in a KeyRegistry.

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pub fn sign(&self, envelope: &AgentEnvelope) -> Result<Signature, LaserError>

Sign envelope, returning the detached signature (no interpretation context: the preimage covers the envelope body alone).

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pub fn sign_with_context( &self, envelope: &AgentEnvelope, context: SignatureContext, ) -> Result<Signature, LaserError>

Sign envelope binding context (the agdx.ct / agdx.av interpretation attributes) into the preimage, so an intermediary cannot flip the codec or wire version on the signed record. The context is stored on the capsule so a verifier reconstructs the same preimage.

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impl Clone for SigningKey

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<T> Any for T
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Gets the TypeId of self. Read more
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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