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

org.bouncycastle.math.field

## Interface ExtensionField

- All Superinterfaces:
    FiniteField
  All Known Subinterfaces:
    PolynomialExtensionField

      public interface ExtensionField
      extends FiniteField

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `getDegree()`
    `FiniteField` | `getSubfield()`

    - ### Methods inherited from interface org.bouncycastle.math.field.FiniteField

      `getCharacteristic, getDimension`

- - ### Method Detail

    - #### getSubfield

          FiniteField getSubfield()

    - #### getDegree

          int getDegree()