Struct Params 

pub struct Params {

    pub id: ParamsId,
    pub kappa: u32,
    pub ell: u32,
    pub nu: u32,
    pub nu_leak: u32,
    pub n_rsa: u32,
    pub n_client: u32,
    pub r_mod: u32,
    pub r_df: u32,
    pub r_df_star: u32,
    pub ell0: u32,
    pub n_t_rho: u32,
    pub tough_count: u32,
    pub tough_bits: u32,
}

Parameter profile. All sizes are in bits unless noted.

Fields

id: ParamsId

kappa: u32

Group order size κ.

ell: u32

Soundness ℓ.

nu: u32

Statistical noise ν.

nu_leak: u32

Noise against subgroup leakage ν_leak.

n_rsa: u32

Paillier / DF modulus size of the server.

n_client: u32

Ephemeral DF modulus size of the client.

r_mod: u32

Repetitions of Π_mod.

r_df: u32

Repetitions of Π_df.

r_df_star: u32

Repetitions of Π_df*.

ell0: u32

Challenge size of Π_df* in bits (open question, spec §5).

n_t_rho: u32

Randomness range of a DF commitment, n_tρ.

tough_count: u32

Number of small primes in (p−1)/2 for tough primes.

tough_bits: u32

Bit size of each small prime in tough primes.

Implementations

impl Params

pub const fn eps(&self) -> u32

Slack ε = ℓ + ν.

pub const fn n_x(&self) -> u32

Range of x₂′: κ + ν_leak.

pub const fn n_lambda(&self) -> u32

Range of β: 2ℓ + ν_leak.

pub const fn n_b(&self) -> u32

Range of v: κ + ℓ + ν.

pub const fn n_a(&self) -> u32

Range of u: n_x + ε + n_b + ν.

pub const fn n_lambda0(&self) -> u32

Range of λ₀: n_λ + ε + n_b + ν.

pub const fn is_consistent(&self) -> bool

Checks internal consistency of a profile.

Trait Implementations

impl Clone for Params

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Params

impl Debug for Params

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for Params

impl PartialEq for Params

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for Params