Function unblind [src]
Recover a public key from a blind version of it.
Prototype
pub fn unblind(blind_public_key: BlindPublicKey, blind_seed: [blind_seed_length]u8, ctx: []const u8) (IdentityElementError || NonCanonicalError || EncodingError || WeakPublicKeyError)!PublicKey Parameters
blind_public_key: BlindPublicKeyblind_seed: [blind_seed_length]u8ctx: []const u8 Source
pub fn unblind(blind_public_key: BlindPublicKey, blind_seed: [blind_seed_length]u8, ctx: []const u8) (IdentityElementError || NonCanonicalError || EncodingError || WeakPublicKeyError)!PublicKey {
const blind_h = blindCtx(blind_seed, ctx);
const inv_blind_factor = Scalar.fromBytes(blind_h[0..32].*).invert().toBytes();
const pk_p = try (try Curve.fromBytes(blind_public_key.key.bytes)).mul(inv_blind_factor);
return PublicKey.fromBytes(pk_p.toBytes());
}