Struct Params 

pub struct Params {
    pub s_cost: NonZeroU32,
    pub t_cost: NonZeroU32,
    pub p_cost: NonZeroU32,
}

Balloon password hash parameters.

These are parameters which can be encoded into a PHC hash string.

Fields

s_cost: NonZeroU32

Space cost, expressed in number of blocks.

t_cost: NonZeroU32

Time cost, expressed in number of rounds.

p_cost: NonZeroU32

Degree of parallelism, expressed in number of threads. Only allowed to be higher than 1 when used in combination with Algorithm::BalloonM.

Implementations

impl Params

pub const DEFAULT_S_COST: u32 = 1_024u32

Default memory cost.

pub const DEFAULT_T_COST: u32 = 3u32

Default number of iterations (i.e. “time”).

pub const DEFAULT_P_COST: u32 = 1u32

Default degree of parallelism.

pub fn new(s_cost: u32, t_cost: u32, p_cost: u32) -> Result<Self>

Create new parameters.

Trait Implementations

impl Clone for Params

fn clone(&self) -> Params

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Params

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

Formats the value using the given formatter.

impl Default for Params

fn default() -> Self

Returns the “default value” for a type.

impl<'key, D: Digest + FixedOutputReset> From<Params> for Balloon<'key, D>

where GenericArray<u8, D::OutputSize>: ArrayDecoding,

fn from(params: Params) -> Self

Converts to this type from the input type.

impl PartialEq for Params

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TryFrom<&Params> for ParamsString

Available on crate feature password-hash only.

type Error = Error

The type returned in the event of a conversion error.

fn try_from(params: &Params) -> Result<ParamsString>

Performs the conversion.

impl<'a> TryFrom<&'a PasswordHash<'a>> for Params

Available on crate feature password-hash only.

type Error = Error

The type returned in the event of a conversion error.

fn try_from(hash: &'a PasswordHash<'a>) -> Result<Self>

Performs the conversion.

impl TryFrom<Params> for ParamsString

Available on crate feature password-hash only.

type Error = Error

The type returned in the event of a conversion error.

fn try_from(params: Params) -> Result<ParamsString>

Performs the conversion.

impl Copy for Params

impl Eq for Params

impl StructuralPartialEq for Params