Package org.bouncycastle.crypto.params

## Class DHParameters

- java.lang.Object
- - org.bouncycastle.crypto.params.DHParameters

- All Implemented Interfaces:
    `CipherParameters`

      public class DHParameters
      extends java.lang.Object
      implements CipherParameters

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `DHParameters​(java.math.BigInteger p, java.math.BigInteger g)` |
    `DHParameters​(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q)` |
    `DHParameters​(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, int l)` |
    `DHParameters​(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, int m, int l)` |
    `DHParameters​(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, int m, int l, java.math.BigInteger j, DHValidationParameters validation)` |
    `DHParameters​(java.math.BigInteger p, java.math.BigInteger g, java.math.BigInteger q, java.math.BigInteger j, DHValidationParameters validation)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `equals​(java.lang.Object obj)` |
    `java.math.BigInteger` | `getG()` |
    `java.math.BigInteger` | `getJ()` | Return the subgroup factor J.
    `int` | `getL()` | Return the private value length in bits - if set, zero otherwise
    `int` | `getM()` | Return the minimum length of the private value.
    `java.math.BigInteger` | `getP()` |
    `java.math.BigInteger` | `getQ()` |
    `DHValidationParameters` | `getValidationParameters()` |
    `int` | `hashCode()` |

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

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

- - ### Constructor Detail

    - #### DHParameters

          public DHParameters​(java.math.BigInteger p,
                              java.math.BigInteger g)

    - #### DHParameters

          public DHParameters​(java.math.BigInteger p,
                              java.math.BigInteger g,
                              java.math.BigInteger q)

    - #### DHParameters

          public DHParameters​(java.math.BigInteger p,
                              java.math.BigInteger g,
                              java.math.BigInteger q,
                              int l)

    - #### DHParameters

          public DHParameters​(java.math.BigInteger p,
                              java.math.BigInteger g,
                              java.math.BigInteger q,
                              int m,
                              int l)

    - #### DHParameters

          public DHParameters​(java.math.BigInteger p,
                              java.math.BigInteger g,
                              java.math.BigInteger q,
                              java.math.BigInteger j,
                              DHValidationParameters validation)

    - #### DHParameters

          public DHParameters​(java.math.BigInteger p,
                              java.math.BigInteger g,
                              java.math.BigInteger q,
                              int m,
                              int l,
                              java.math.BigInteger j,
                              DHValidationParameters validation)

  - ### Method Detail

    - #### getP

          public java.math.BigInteger getP()

    - #### getG

          public java.math.BigInteger getG()

    - #### getQ

          public java.math.BigInteger getQ()

    - #### getJ

          public java.math.BigInteger getJ()

      Return the subgroup factor J.
      Returns:
        subgroup factor

    - #### getM

          public int getM()

      Return the minimum length of the private value.
      Returns:
        the minimum length of the private value in bits.

    - #### getL

          public int getL()

      Return the private value length in bits - if set, zero otherwise
      Returns:
        the private value length in bits, zero otherwise.

    - #### getValidationParameters

          public DHValidationParameters getValidationParameters()

    - #### equals

          public boolean equals​(java.lang.Object obj)

      Overrides:
        `equals` in class `java.lang.Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `java.lang.Object`