Package org.bouncycastle.pqc.math.ntru

Class Polynomial

java.lang.Object
org.bouncycastle.pqc.math.ntru.Polynomial
Direct Known Subclasses:
HPSPolynomial, HRSSPolynomial
public abstract class Polynomial extends Object
Polynomial for org.bouncycastle.pqc.crypto.ntru.

  • Field Details

    • coeffs

      public short[] coeffs
      An array of coefficients

    • params

      protected NTRUParameterSet params

  • Constructor Details

  • Method Details

    • mod3PhiN

      public void mod3PhiN()

    • modQPhiN

      public void modQPhiN()

    • sqToBytes

      public abstract byte[] sqToBytes(int len)
      Pack Sq polynomial as a byte array
      Parameters:
      len - array length of packed polynomial
      Returns:
      See Also:

    • sqFromBytes

      public abstract void sqFromBytes(byte[] a)
      Unpack a Sq polynomial
      Parameters:
      a - byte array of packed polynomial
      See Also:

    • rqSumZeroToBytes

      public byte[] rqSumZeroToBytes(int len)
      Pack a Rq0 polynomial as a byte array
      Parameters:
      len - array length of packed polynomial
      Returns:
      See Also:

    • rqSumZeroFromBytes

      public void rqSumZeroFromBytes(byte[] a)
      Unpack a Rq0 polynomial
      Parameters:
      a - byte array of packed polynomial
      See Also:

    • s3ToBytes

      public byte[] s3ToBytes(int messageSize)
      Pack an S3 polynomial as a byte array
      Parameters:
      messageSize - array length of packed polynomial
      Returns:
      See Also:

    • s3ToBytes

      public void s3ToBytes(byte[] msg, int msgOff)

    • s3FromBytes

      public void s3FromBytes(byte[] msg)
      Unpack a S3 polynomial
      Parameters:
      msg - byte array of packed polynomial
      See Also:

    • sqMul

      public void sqMul(Polynomial a, Polynomial b)

    • rqMul

      public void rqMul(Polynomial a, Polynomial b)

    • s3Mul

      public void s3Mul(Polynomial a, Polynomial b)

    • lift

      public abstract void lift(Polynomial a)
      Parameters:
      a -
      See Also:

    • rqToS3

      public void rqToS3(Polynomial a)

    • r2Inv

      public void r2Inv(Polynomial a)

    • rqInv

      public void rqInv(Polynomial a)

    • s3Inv

      public void s3Inv(Polynomial a)

    • z3ToZq

      public void z3ToZq()

    • trinaryZqToZ3

      public void trinaryZqToZ3()