Package org.bouncycastle.pqc.math.linearalgebra

Interface GFElement

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      GFElement add​(GFElement addend)
      Compute the sum of this element and the addend.
      void addToThis​(GFElement addend)
      Compute the sum of this element and the addend, overwriting this element.
      java.lang.Object clone()  
      boolean equals​(java.lang.Object other)
      Compare this curve with another object.
      int hashCode()  
      GFElement invert()
      Compute the multiplicative inverse of this element.
      boolean isOne()
      Checks whether this element is one.
      boolean isZero()
      Checks whether this element is zero.
      GFElement multiply​(GFElement factor)
      Compute the product of this element and factor.
      void multiplyThisBy​(GFElement factor)
      Compute this * factor (overwrite this).
      GFElement subtract​(GFElement minuend)
      Compute the difference of this element and minuend.
      void subtractFromThis​(GFElement minuend)
      Compute the difference of this element and minuend, overwriting this element.
      byte[] toByteArray()
      Returns this element as byte array.
      java.math.BigInteger toFlexiBigInt()
      Returns this element as FlexiBigInt.
      java.lang.String toString()
      Return a String representation of this element.
      java.lang.String toString​(int radix)
      Return a String representation of this element.

    • Method Detail

      • clone

        java.lang.Object clone()
        Returns:
        a copy of this GFElement

      • equals

        boolean equals​(java.lang.Object other)
        Compare this curve with another object.
        Overrides:
        equals in class java.lang.Object
        Parameters:
        other - the other object
        Returns:
        the result of the comparison

      • hashCode

        int hashCode()
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        the hash code of this element

      • isZero

        boolean isZero()
        Checks whether this element is zero.
        Returns:
        true if this is the zero element

      • isOne

        boolean isOne()
        Checks whether this element is one.
        Returns:
        true if this is the one element

      • add

        GFElement add​(GFElement addend)
       throws java.lang.RuntimeException
        Compute the sum of this element and the addend.
        Parameters:
        addend - the addend
        Returns:
        this + other (newly created)
        Throws:
        java.lang.RuntimeException

      • addToThis

        void addToThis​(GFElement addend)
        throws java.lang.RuntimeException
        Compute the sum of this element and the addend, overwriting this element.
        Parameters:
        addend - the addend
        Throws:
        java.lang.RuntimeException

      • subtract

        GFElement subtract​(GFElement minuend)
            throws java.lang.RuntimeException
        Compute the difference of this element and minuend.
        Parameters:
        minuend - the minuend
        Returns:
        this - minuend (newly created)
        Throws:
        java.lang.RuntimeException

      • subtractFromThis

        void subtractFromThis​(GFElement minuend)
        Compute the difference of this element and minuend, overwriting this element.
        Parameters:
        minuend - the minuend

      • multiply

        GFElement multiply​(GFElement factor)
            throws java.lang.RuntimeException
        Compute the product of this element and factor.
        Parameters:
        factor - the factor
        Returns:
        this * factor (newly created)
        Throws:
        java.lang.RuntimeException

      • multiplyThisBy

        void multiplyThisBy​(GFElement factor)
             throws java.lang.RuntimeException
        Compute this * factor (overwrite this).
        Parameters:
        factor - the factor
        Throws:
        java.lang.RuntimeException

      • invert

        GFElement invert()
          throws java.lang.ArithmeticException
        Compute the multiplicative inverse of this element.
        Returns:
        this-1 (newly created)
        Throws:
        java.lang.ArithmeticException - if this is the zero element.

      • toFlexiBigInt

        java.math.BigInteger toFlexiBigInt()
        Returns this element as FlexiBigInt. The conversion is P1363-conform.
        Returns:
        this element as BigInt

      • toByteArray

        byte[] toByteArray()
        Returns this element as byte array. The conversion is P1363-conform.
        Returns:
        this element as byte array

      • toString

        java.lang.String toString()
        Return a String representation of this element.
        Overrides:
        toString in class java.lang.Object
        Returns:
        String representation of this element

      • toString

        java.lang.String toString​(int radix)
        Return a String representation of this element. radix specifies the radix of the String representation.
        Parameters:
        radix - specifies the radix of the String representation
        Returns:
        String representation of this element with the specified radix