**javacard.security** 
 ====Interface SecretKey  ====

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



**All Known Subinterfaces:** [[javacard:java-card-api:AESKey|AESKey]] , [[javacard:java-card-api:DESKey|DESKey]] , [[javacard:java-card-api:HMACKey|HMACKey]] , [[javacard:java-card-api:KoreanSEEDKey|KoreanSEEDKey]]  
 



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




The SecretKey class is the base interface for keys 
 used in symmetric algorithms (DES, for example).




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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]]  |