NTRUParameters (Bouncy Castle Library 1.85 API Specification)
Date: 2026-07-12

org.bouncycastle.pqc.crypto.ntru

## Class NTRUParameters

- java.lang.Object
- - org.bouncycastle.pqc.crypto.ntru.NTRUParameters

- All Implemented Interfaces:
    CipherParameters, KEMParameters

      public class NTRUParameters
      extends java.lang.Object
      implements KEMParameters

  NTRU cipher parameter sets

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static NTRUParameters` | `ntruhps2048509` NTRU-HPS parameter set with n = 509 and q = 2048.
    `static NTRUParameters` | `ntruhps2048677` NTRU-HPS parameter set with n = 677 and q = 2048.
    `static NTRUParameters` | `ntruhps40961229` NTRU-HPS parameter set with n = 1229 and q = 4096.
    `static NTRUParameters` | `ntruhps4096821` NTRU-HPS parameter set with n = 821 and q = 4096.
    `static NTRUParameters` | `ntruhrss1373` NTRU-HRSS parameter set with n = 1373.
    `static NTRUParameters` | `ntruhrss701` NTRU-HRSS parameter set with n = 701.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `getEncapsulationLength()`
    `java.lang.String` | `getName()`
    `int` | `getSessionKeySize()`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### ntruhps2048509

          public static final NTRUParameters ntruhps2048509

      NTRU-HPS parameter set with n = 509 and q = 2048.

    - #### ntruhps2048677

          public static final NTRUParameters ntruhps2048677

      NTRU-HPS parameter set with n = 677 and q = 2048.

    - #### ntruhps4096821

          public static final NTRUParameters ntruhps4096821

      NTRU-HPS parameter set with n = 821 and q = 4096.

    - #### ntruhps40961229

          public static final NTRUParameters ntruhps40961229

      NTRU-HPS parameter set with n = 1229 and q = 4096.

    - #### ntruhrss701

          public static final NTRUParameters ntruhrss701

      NTRU-HRSS parameter set with n = 701.

    - #### ntruhrss1373

          public static final NTRUParameters ntruhrss1373

      NTRU-HRSS parameter set with n = 1373.

  - ### Method Detail

    - #### getEncapsulationLength

          public int getEncapsulationLength()

    - #### getName

          public java.lang.String getName()

    - #### getSessionKeySize

          public int getSessionKeySize()