java.lang.Object
- org.bouncycastle.pqc.math.ntru.polynomial.IntegerPolynomial
- - org.bouncycastle.pqc.math.ntru.polynomial.DenseTernaryPolynomial

All Implemented Interfaces:

Polynomial, TernaryPolynomial
```
public class DenseTernaryPolynomial
extends IntegerPolynomial
implements TernaryPolynomial
```
A TernaryPolynomial with a "high" number of nonzero coefficients.

Field Summary
- Fields inherited from class org.bouncycastle.pqc.math.ntru.polynomial.IntegerPolynomial
  coeffs

Constructor Summary

Constructors
Constructor	Description
`DenseTernaryPolynomial(int[] coeffs)`	Constructs a new `DenseTernaryPolynomial` with a given set of coefficients.
`DenseTernaryPolynomial(IntegerPolynomial intPoly)`	Constructs a `DenseTernaryPolynomial` from a `IntegerPolynomial`.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static DenseTernaryPolynomial`	`generateRandom(int N, int numOnes, int numNegOnes, java.security.SecureRandom random)`	Generates a random polynomial with `numOnes` coefficients equal to 1, `numNegOnes` coefficients equal to -1, and the rest equal to 0.
`static DenseTernaryPolynomial`	`generateRandom(int N, java.security.SecureRandom random)`	Generates a polynomial with coefficients randomly selected from `{-1, 0, 1}`.
`int[]`	`getNegOnes()`
`int[]`	`getOnes()`
`IntegerPolynomial`	`mult(IntegerPolynomial poly2, int modulus)`	Multiplies the polynomial with another, taking the values mod modulus and the indices mod N
`int`	`size()`	Returns the maximum number of coefficients the polynomial can have

Methods inherited from class org.bouncycastle.pqc.math.ntru.polynomial.IntegerPolynomial
add, add, center0, centeredNormSq, clear, clone, count, div, ensurePositive, equals, equalsOne, fromBinary, fromBinary, fromBinary3Sves, fromBinary3Tight, fromBinary3Tight, invertF3, invertFq, mod, mod3, modPositive, mult, mult, mult, mult3, resultant, resultant, resultantMultiThread, rotate1, sub, sub, sumCoeffs, toBinary, toBinary3Sves, toBinary3Tight, toIntegerPolynomial

Methods inherited from class java.lang.Object
finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.bouncycastle.pqc.math.ntru.polynomial.Polynomial
mult, toIntegerPolynomial

Methods inherited from interface org.bouncycastle.pqc.math.ntru.polynomial.TernaryPolynomial
clear, mult

- Constructor Detail
  - DenseTernaryPolynomial
```
public DenseTernaryPolynomial(IntegerPolynomial intPoly)
```
    Constructs a DenseTernaryPolynomial from a IntegerPolynomial. The two polynomials are independent of each other.
    
    Parameters:
    
    intPoly - the original polynomial
  - DenseTernaryPolynomial
```
public DenseTernaryPolynomial(int[] coeffs)
```
    Constructs a new DenseTernaryPolynomial with a given set of coefficients.
    
    Parameters:
    
    coeffs - the coefficients
- Method Detail
  - generateRandom
```
public static DenseTernaryPolynomial generateRandom(int N,
                                                    int numOnes,
                                                    int numNegOnes,
                                                    java.security.SecureRandom random)
```
    Generates a random polynomial with numOnes coefficients equal to 1, numNegOnes coefficients equal to -1, and the rest equal to 0.
    
    Parameters:
    
    N - number of coefficients
    
    numOnes - number of 1's
    
    numNegOnes - number of -1's
  - generateRandom
```
public static DenseTernaryPolynomial generateRandom(int N,
                                                    java.security.SecureRandom random)
```
    Generates a polynomial with coefficients randomly selected from {-1, 0, 1}.
    
    Parameters:
    
    N - number of coefficients
  - mult
```
public IntegerPolynomial mult(IntegerPolynomial poly2,
                              int modulus)
```
    Description copied from class: IntegerPolynomial
    
    Multiplies the polynomial with another, taking the values mod modulus and the indices mod N
    
    Specified by:
    
    mult in interface Polynomial
    
    Overrides:
    
    mult in class IntegerPolynomial
    
    Parameters:
    
    poly2 - a polynomial
    
    modulus - a modulus to apply
    
    Returns:
    
    the product of the two polynomials
  - getOnes
```
public int[] getOnes()
```
    Specified by:
    
    getOnes in interface TernaryPolynomial
  - getNegOnes
```
public int[] getNegOnes()
```
    Specified by:
    
    getNegOnes in interface TernaryPolynomial
  - size
```
public int size()
```
    Description copied from interface: TernaryPolynomial
    
    Returns the maximum number of coefficients the polynomial can have
    
    Specified by:
    
    size in interface TernaryPolynomial

Class DenseTernaryPolynomial

Field Summary

Fields inherited from class org.bouncycastle.pqc.math.ntru.polynomial.IntegerPolynomial

Constructor Summary

Method Summary

Methods inherited from class org.bouncycastle.pqc.math.ntru.polynomial.IntegerPolynomial

Methods inherited from class java.lang.Object

Methods inherited from interface org.bouncycastle.pqc.math.ntru.polynomial.Polynomial

Methods inherited from interface org.bouncycastle.pqc.math.ntru.polynomial.TernaryPolynomial

Constructor Detail

DenseTernaryPolynomial

DenseTernaryPolynomial

Method Detail

generateRandom

generateRandom

mult

getOnes

getNegOnes

size