**javacard.security** 
 ====Interface PrivateKey  ====

**All Superinterfaces:** [[javacard:java-card-api:Key|Key]]  
 



**All Known Subinterfaces:** [[javacard:java-card-api:DSAPrivateKey|DSAPrivateKey]] , [[javacard:java-card-api:ECPrivateKey|ECPrivateKey]] , [[javacard:java-card-api:RSAPrivateCrtKey|RSAPrivateCrtKey]] , [[javacard:java-card-api:RSAPrivateKey|RSAPrivateKey]]  
 



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  *[[javacard:java-card-api:key|Key]] \\ 




The PrivateKey interface is the base interface for private keys used in asymmetric algorithms.




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^ Method Summary ^^ 

 

^ Methods inherited from interface javacard.security.Key ^ 
| [[javacard:java-card-api:Key#clearKey()|clearKey]] , [[javacard:java-card-api:Key#getSize()|getSize]] , [[javacard:java-card-api:Key#getType()|getType]] , [[javacard:java-card-api:Key#isInitialized()|isInitialized]]  |