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PublicKey
  public
  
  
  
  interface
  PublicKey
  
  
      implements
      
        Key
      
  
  
  
  
    
      | 
          Known indirect subclasses
          
  
  
         | 
  
    
  A public key. This interface contains no methods or constants.
 It merely serves to group (and provide type safety for) all public key
 interfaces.
 Note: The specialized public key interfaces extend this interface.
 See, for example, the DSAPublicKey interface in
 java.security.interfaces.
  
Summary
| Constants | 
|---|
    
    
        | long | serialVersionUID
      This constant was deprecated
      in API level 34.
    A serialVersionUIDfield in an interface is
 ineffectual. Do not use; no replacement. | 
    
    
| Inherited constants | 
|---|
  
  | 
      From interface
        java.security.Key
        
    
    
        | long | serialVersionUID
      This constant was deprecated
      in API level 34.
    A serialVersionUIDfield in an interface is
 ineffectual. Do not use; no replacement. |  | 
| Inherited methods | 
|---|
| 
    From interface
      
        
          java.security.Key
        
      
      
  
  
  
    | 
        abstract
        
        
        
        
        String | 
      getAlgorithm()
      Returns the standard algorithm name for this key.
        
    
 |  
  
  
    | 
        abstract
        
        
        
        
        byte[] | 
      getEncoded()
      Returns the key in its primary encoding format, or null
 if this key does not support encoding.
        
    
 |  
  
  
    | 
        abstract
        
        
        
        
        String | 
      getFormat()
      Returns the name of the primary encoding format of this key,
 or null if this key does not support encoding.
        
    
 |  | 
Constants
    serialVersionUID
    
public static final long serialVersionUID
    
    
    
  
      This constant was deprecated
      in API level 34.
    A serialVersionUID field in an interface is
 ineffectual. Do not use; no replacement.
  
  The class fingerprint that is set to indicate serialization
 compatibility with a previous version of the class.
    
      Constant Value:
      
          7187392471159151072
          (0x63bebf5f40c219e0)
      
    
 
 
 
  
  
    
  
 
  
    
      
      
    
    
      
    
    
  
       
    
    
      
    
  
  
  Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
  Last updated 2025-02-10 UTC.
  
  
  
    
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