Struct hacspec_pasta::VestaCanvas

pub struct VestaCanvas {
    pub(crate) b: [u8; 32],
    pub(crate) sign: Sign,
    pub(crate) signed: bool,
}

Fields

b: [u8; 32]

sign: Sign

signed: bool

Implementations

impl VestaCanvas

pub(crate) fn max() -> BigInt

pub fn max_value() -> Self

pub(crate) fn hex_string_to_bytes(s: &str) -> Vec<u8>

pub fn from_literal(x: u128) -> Self

pub fn from_signed_literal(x: i128) -> Self

pub fn pow2(x: usize) -> VestaCanvas

Returns 2 to the power of the argument

pub fn bit(self, i: usize) -> bool

Gets the i-th least significant bit of this integer.

impl VestaCanvas

pub fn from_hex(s: &str) -> Self

pub fn from_be_bytes(v: &[u8]) -> Self

pub fn from_le_bytes(v: &[u8]) -> Self

pub fn to_be_bytes(self) -> [u8; 32]

pub fn to_le_bytes(self) -> [u8; 32]

pub fn comp_eq(self, rhs: Self) -> Self

Produces a new integer which is all ones if the two arguments are equal and all zeroes otherwise. NOTE: This is not constant time but BigInt generally isn’t.

pub fn comp_ne(self, rhs: Self) -> Self

Produces a new integer which is all ones if the first argument is different from the second argument, and all zeroes otherwise. NOTE: This is not constant time but BigInt generally isn’t.

pub fn comp_gte(self, rhs: Self) -> Self

Produces a new integer which is all ones if the first argument is greater than or equal to the second argument, and all zeroes otherwise. NOTE: This is not constant time but BigInt generally isn’t.

pub fn comp_gt(self, rhs: Self) -> Self

Produces a new integer which is all ones if the first argument is strictly greater than the second argument, and all zeroes otherwise. NOTE: This is not constant time but BigInt generally isn’t.

pub fn comp_lte(self, rhs: Self) -> Self

Produces a new integer which is all ones if the first argument is less than or equal to the second argument, and all zeroes otherwise. NOTE: This is not constant time but BigInt generally isn’t.

pub fn comp_lt(self, rhs: Self) -> Self

Produces a new integer which is all ones if the first argument is strictly less than the second argument, and all zeroes otherwise. NOTE: This is not constant time but BigInt generally isn’t.

impl VestaCanvas

pub fn inv(self, modval: Self) -> Self

pub fn pow_felem(self, exp: Self, modval: Self) -> Self

pub fn pow(self, exp: u128, modval: Self) -> Self

Returns self to the power of the argument. The exponent is a u128.

pub(crate) fn rem(self, n: Self) -> Self

impl VestaCanvas

pub fn from_byte_seq_be<A: SeqTrait<U8>>(s: &A) -> VestaCanvas

pub fn from_public_byte_seq_be<A: SeqTrait<u8>>(s: A) -> VestaCanvas

pub fn to_byte_seq_be(self) -> Seq<U8>

Trait Implementations

impl Add<VestaCanvas> for VestaCanvas

Warning: panics on overflow.

type Output = VestaCanvas

The resulting type after applying the + operator.

fn add(self, rhs: VestaCanvas) -> VestaCanvas

Performs the + operation.

impl BitAnd<VestaCanvas> for VestaCanvas

type Output = VestaCanvas

The resulting type after applying the & operator.

fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation.

impl BitOr<VestaCanvas> for VestaCanvas

type Output = VestaCanvas

The resulting type after applying the | operator.

fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation.

impl BitXor<VestaCanvas> for VestaCanvas

type Output = VestaCanvas

The resulting type after applying the ^ operator.

fn bitxor(self, rhs: Self) -> Self::Output

Performs the ^ operation.

impl Clone for VestaCanvas

fn clone(&self) -> VestaCanvas

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for VestaCanvas

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

Formats the value using the given formatter.

impl Default for VestaCanvas

fn default() -> VestaCanvas

Returns the “default value” for a type.

impl Display for VestaCanvas

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

Formats the value using the given formatter.

impl Div<VestaCanvas> for VestaCanvas

Warning: panics on division by 0.

type Output = VestaCanvas

The resulting type after applying the / operator.

fn div(self, rhs: VestaCanvas) -> VestaCanvas

Performs the / operation.

impl From<BigInt> for VestaCanvas

fn from(x: BigInt) -> VestaCanvas

Converts to this type from the input type.

impl From<BigUint> for VestaCanvas

fn from(x: BigUint) -> VestaCanvas

Converts to this type from the input type.

impl From<VestaCanvas> for FpVesta

fn from(x: VestaCanvas) -> FpVesta

Converts to this type from the input type.

impl Integer for VestaCanvas

fn get_bit(self, i: usize) -> Self

Get bit i of this integer.

fn set_bit(self, b: Self, i: usize) -> Self

Set bit i of this integer to b and return the result. Bit b has to be 0 or 1.

fn set(self, pos: usize, y: Self, yi: usize) -> Self

Set bit pos of this integer to bit yi of integer y.

const NUM_BITS: usize = 255usize

fn ZERO() -> Self

fn ONE() -> Self

fn TWO() -> Self

fn from_literal(val: u128) -> Self

Get an integer with value val.

fn from_hex_string(s: &String) -> Self

Read a hex string (starting with 0x) into an Integer.

fn rotate_left(self, n: usize) -> Self

fn rotate_right(self, n: usize) -> Self

impl Into<BigInt> for VestaCanvas

fn into(self) -> BigInt

Converts this type into the (usually inferred) input type.

impl Into<BigUint> for VestaCanvas

fn into(self) -> BigUint

Converts this type into the (usually inferred) input type.

impl Into<VestaCanvas> for FpVesta

fn into(self) -> VestaCanvas

Converts this type into the (usually inferred) input type.

impl LowerHex for VestaCanvas

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

Formats the value using the given formatter.

impl ModNumeric for VestaCanvas

fn sub_mod(self, rhs: Self, n: Self) -> Self

(self - rhs) % n.

fn add_mod(self, rhs: Self, n: Self) -> Self

(self + rhs) % n

fn mul_mod(self, rhs: Self, n: Self) -> Self

(self * rhs) % n

fn pow_mod(self, exp: Self, n: Self) -> Self

(self ^ exp) % n

fn modulo(self, n: Self) -> Self

self % n

fn signed_modulo(self, n: Self) -> Self

self % n that always returns a positive integer

fn absolute(self) -> Self

|self|

impl Mul<VestaCanvas> for VestaCanvas

Warning: panics on overflow.

type Output = VestaCanvas

The resulting type after applying the * operator.

fn mul(self, rhs: VestaCanvas) -> VestaCanvas

Performs the * operation.

impl Not for VestaCanvas

type Output = VestaCanvas

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation.

impl Numeric for VestaCanvas

fn max_val() -> Self

Return largest value that can be represented.

fn exp(self, exp: u32) -> Self

self ^ exp where exp is a u32.

fn pow_self(self, exp: Self) -> Self

self ^ exp where exp is a Self.

fn divide(self, rhs: Self) -> Self

Division.

fn inv(self, n: Self) -> Self

Invert self modulo n.

fn wrap_add(self, rhs: Self) -> Self

fn wrap_sub(self, rhs: Self) -> Self

fn wrap_mul(self, rhs: Self) -> Self

fn wrap_div(self, rhs: Self) -> Self

fn equal(self, other: Self) -> bool

fn greater_than(self, other: Self) -> bool

fn greater_than_or_equal(self, other: Self) -> bool

fn less_than(self, other: Self) -> bool

fn less_than_or_equal(self, other: Self) -> bool

fn not_equal_bm(self, other: Self) -> Self

fn equal_bm(self, other: Self) -> Self

fn greater_than_bm(self, other: Self) -> Self

fn greater_than_or_equal_bm(self, other: Self) -> Self

fn less_than_bm(self, other: Self) -> Self

fn less_than_or_equal_bm(self, other: Self) -> Self

impl Ord for VestaCanvas

fn cmp(&self, other: &VestaCanvas) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Selfwhere
    Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Selfwhere
    Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Selfwhere
    Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval.

impl PartialEq<VestaCanvas> for VestaCanvas

fn eq(&self, rhs: &VestaCanvas) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

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

impl PartialOrd<VestaCanvas> for VestaCanvas

fn partial_cmp(&self, other: &VestaCanvas) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Rem<VestaCanvas> for VestaCanvas

Warning: panics on division by 0.

type Output = VestaCanvas

The resulting type after applying the % operator.

fn rem(self, rhs: VestaCanvas) -> VestaCanvas

Performs the % operation.

impl Shl<usize> for VestaCanvas

type Output = VestaCanvas

The resulting type after applying the << operator.

fn shl(self, rhs: usize) -> Self::Output

Performs the << operation.

impl Shr<usize> for VestaCanvas

type Output = VestaCanvas

The resulting type after applying the >> operator.

fn shr(self, rhs: usize) -> Self::Output

Performs the >> operation.

impl Sub<VestaCanvas> for VestaCanvas

Warning: panics on underflow.

type Output = VestaCanvas

The resulting type after applying the - operator.

fn sub(self, rhs: VestaCanvas) -> VestaCanvas

Performs the - operation.

impl Copy for VestaCanvas

impl Eq for VestaCanvas

impl NumericCopy for VestaCanvas

impl UnsignedInteger for VestaCanvas

impl UnsignedIntegerCopy for VestaCanvas