# Package org.bouncycastle.jcajce.provider.asymmetric.util

- Interface Summary
  Interface | Description
  --- | ---
  DSAEncoder | Deprecated. No longer used

- Class Summary
  Class | Description
  --- | ---
  BaseAgreementSpi |
  BaseAlgorithmParameterGeneratorSpi |
  BaseCipherSpi |
  BaseCipherSpi.ErasableOutputStream |
  BaseKeyFactorySpi |
  DESUtil |
  DHUtil | utility class for converting jce/jca DH objects objects into their org.bouncycastle.crypto counterparts.
  DSABase |
  EC5Util |
  ECUtil | utility class for converting jce/jca ECDSA, ECDH, and ECDHC objects into their org.bouncycastle.crypto counterparts.
  GOST3410Util | utility class for converting jce/jca GOST3410-94 objects objects into their org.bouncycastle.crypto counterparts.
  IESUtil |
  KeyUtil |
  PKCS12BagAttributeCarrierImpl |
  PrimeCertaintyCalculator |

- Exception Summary
  Exception | Description
  --- | ---
  ExtendedInvalidKeySpecException |