Base
abstract class Base (View source)
Base
Properties
| protected object[] | $doubles | Doubles | |
| protected BigInteger | $order | The Order | |
| protected Integer | $factory | Finite Field Integer factory |
Methods
Returns a random integer
Returns the length, in bytes, of the modulo
Returns the length, in bits, of the modulo
Creates a random scalar multiplier
Returns the Order
Use a custom defined modular reduction function
Returns the affine point
Converts an affine point to a jacobian coordinate
Negates a point
Multiply and Add Points
Details
object
randomInteger()
Returns a random integer
object
convertInteger(BigInteger $x)
Converts a BigInteger to a FiniteField integer
int
getLengthInBytes()
Returns the length, in bytes, of the modulo
int
getLength()
Returns the length, in bits, of the modulo
array
multiplyPoint(array $p, Integer $d)
Multiply a point on the curve by a scalar
Uses the montgomery ladder technique as described here:
https://en.wikipedia.org/wiki/Elliptic_curve_point_multiplication#Montgomery_ladder https://github.com/phpecc/phpecc/issues/16#issuecomment-59176772
FiniteField
createRandomMultiplier()
Creates a random scalar multiplier
setOrder(BigInteger $order)
Sets the Order
BigInteger
getOrder()
Returns the Order
object
setReduction(callable $func)
Use a custom defined modular reduction function
object[]
convertToAffine(array $p)
Returns the affine point
object[]
convertToInternal(array $p)
Converts an affine point to a jacobian coordinate
object[]
negatePoint(array $p)
Negates a point
int[]
multiplyAddPoints(array $points, array $scalars)
Multiply and Add Points