Provides access to a few facilities of the Android security subsystems.
| KeyChainAliasCallback | 
          The KeyChainAliasCallback is the callback for choosePrivateKeyAlias(Activity, KeyChainAliasCallback, String[], Principal[], Uri, String). 
          
    
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| KeyChain | 
          The KeyChain class provides access to private keys and
 their corresponding certificate chains in credential storage. 
          
    
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| KeyPairGeneratorSpec | 
          
      This class was deprecated
      in API level 23.
    Use KeyGenParameterSpec instead.
 
          
    
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| KeyPairGeneratorSpec.Builder | 
          
      This class was deprecated
      in API level 23.
    Use KeyGenParameterSpec.Builder instead.
 
          
    
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| KeyStoreParameter | 
          
      This class was deprecated
      in API level 23.
    Use KeyProtection instead.
 
          
    
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| KeyStoreParameter.Builder | 
          
      This class was deprecated
      in API level 23.
    Use KeyProtection.Builder instead.
 
          
    
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| NetworkSecurityPolicy | Network security policy. | 
| KeyChainException | 
          Thrown on problems accessing the KeyChain. 
          
    
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