Package org.bouncycastle.jcajce.provider.asymmetric.dsa

## Class DSAUtil

- java.lang.Object
- - org.bouncycastle.jcajce.provider.asymmetric.dsa.DSAUtil

-     public class DSAUtil
      extends java.lang.Object

  utility class for converting jce/jca DSA objects objects into their org.bouncycastle.crypto counterparts.

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `static ASN1ObjectIdentifier[]` | `dsaOids` |

  - ### Constructor Summary

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

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static AsymmetricKeyParameter` | `generatePrivateKeyParameter​(java.security.PrivateKey key)` |
    `static AsymmetricKeyParameter` | `generatePublicKeyParameter​(java.security.PublicKey key)` |
    `static boolean` | `isDsaOid​(ASN1ObjectIdentifier algOid)` | Return true if the passed in OID could be associated with a DSA key.

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

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

- - ### Field Detail

    - #### dsaOids

          public static final ASN1ObjectIdentifier[] dsaOids

  - ### Constructor Detail

    - #### DSAUtil

          public DSAUtil()

  - ### Method Detail

    - #### isDsaOid

          public static boolean isDsaOid​(ASN1ObjectIdentifier algOid)

      Return true if the passed in OID could be associated with a DSA key.
      Parameters:
        `algOid` - algorithm OID from a key.
      Returns:
        true if it's for a DSA key, false otherwise.

    - #### generatePublicKeyParameter

          public static AsymmetricKeyParameter generatePublicKeyParameter​(java.security.PublicKey key)
                                                                   throws java.security.InvalidKeyException

      Throws:
        `java.security.InvalidKeyException`

    - #### generatePrivateKeyParameter

          public static AsymmetricKeyParameter generatePrivateKeyParameter​(java.security.PrivateKey key)
                                                                    throws java.security.InvalidKeyException

      Throws:
        `java.security.InvalidKeyException`