Module ristretto255 

Diffie-Hellman over ristretto255 RFC 9496

Structs

DHPrivateKey

A ristretto255 scalar in $\mathbb{Z}_\ell$.

DHPublicKey

A ristretto255 group element.

Constants

DH_PUBLIC_KEY_LEN

DH_SEED_LEN

Uniform bytes required to derive a scalar per [RFC 9496] section 4.4.

Functions

dh_shared_secret

Compute DH agreement.

generate_dh_keypair

Generate a new ristretto255 DH keypair

generate_random_scalar

Sample a scalar $x \gets^{$} \mathbb{F}_\ell$.

placeholder_public_key

A fixed group element used as a placeholder value.

random_dh_public_key

Sample a uniformly random group element.