Package org.bouncycastle.jcajce.provider.symmetric.util

## Class GcmSpecUtil

- java.lang.Object
- - org.bouncycastle.jcajce.provider.symmetric.util.GcmSpecUtil

-     public class GcmSpecUtil
      extends java.lang.Object

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `GcmSpecUtil()` |

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static GCMParameters` | `extractGcmParameters​(java.security.spec.AlgorithmParameterSpec paramSpec)` |
    `static java.security.spec.AlgorithmParameterSpec` | `extractGcmSpec​(ASN1Primitive spec)` |
    `static boolean` | `gcmSpecExists()` |
    `static boolean` | `isGcmSpec​(java.lang.Class paramSpecClass)` |
    `static boolean` | `isGcmSpec​(java.security.spec.AlgorithmParameterSpec paramSpec)` |

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

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

- - ### Constructor Detail

    - #### GcmSpecUtil

          public GcmSpecUtil()

  - ### Method Detail

    - #### gcmSpecExists

          public static boolean gcmSpecExists()

    - #### isGcmSpec

          public static boolean isGcmSpec​(java.security.spec.AlgorithmParameterSpec paramSpec)

    - #### isGcmSpec

          public static boolean isGcmSpec​(java.lang.Class paramSpecClass)

    - #### extractGcmSpec

          public static java.security.spec.AlgorithmParameterSpec extractGcmSpec​(ASN1Primitive spec)
                                                                          throws java.security.spec.InvalidParameterSpecException

      Throws:
        `java.security.spec.InvalidParameterSpecException`

    - #### extractGcmParameters

          public static GCMParameters extractGcmParameters​(java.security.spec.AlgorithmParameterSpec paramSpec)
                                                    throws java.security.spec.InvalidParameterSpecException

      Throws:
        `java.security.spec.InvalidParameterSpecException`