DoxigAlpha

sq

Squares a field element.

Function parameters

Parameters

#

An unsigned big integer with a fixed maximum size (`max_bits`), suitable for cryptographic operations.

Functions

#
Uint
An unsigned big integer with a fixed maximum size (`max_bits`), suitable for cryptographic operations.
Modulus
A modulus, defining a finite field.

Error sets in this namespace

Error Sets

#
OverflowError
Value is too large for the destination.
InvalidModulusError
Invalid modulus.
NullExponentError
Exponentiation with a null exponent.
FieldElementError
Invalid field element for the given modulus.
RepresentationError
Invalid representation (Montgomery vs non-Montgomery domain.)
Error
The set of all possible errors `std.crypto.ff` functions can return.

Source

Implementation

#
pub fn sq(self: Self, x: Fe) Fe {
    var out = x;
    if (x.montgomery == true) {
        self.fromMontgomery(&out) catch unreachable;
    }
    out = self.montgomerySq(out);
    out.montgomery = false;
    self.toMontgomery(&out) catch unreachable;
    return out;
}