PublicKey

AI-generated Key Takeaways

• PublicKey is an interface that acts as a grouping mechanism for all public key interfaces, ensuring type safety.

• It doesn't define any methods or constants of its own but is extended by specialized public key interfaces such as DSAPublicKey and RSAPublicKey.

• PublicKey inherits methods from the Key interface for retrieving algorithm name, encoded key, and encoding format.

• The serialVersionUID constant is used to maintain serialization compatibility across different versions of the class.

• Some known indirect subclasses include DHPublicKey, DSAPublicKey, ECPublicKey, and RSAPublicKey, each providing specific functionalities for different cryptographic algorithms.

public interface PublicKey implements Key

Known Indirect Subclasses DHPublicKey, DSAPublicKey, ECPublicKey, RSAPublicKey DHPublicKey The interface to a Diffie-Hellman public key.  DSAPublicKey The interface to a DSA public key.  ECPublicKey The interface to an elliptic curve (EC) public key.  RSAPublicKey The interface to an RSA public key.

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.

See Also

• Key
• PrivateKey
• ERROR(/Certificate)
• Signature.initVerify(PublicKey)
• DSAPublicKey
• RSAPublicKey

Constant Summary

long

serialVersionUID

The class fingerprint that is set to indicate serialization compatibility with a previous version of the class.

Inherited Constant Summary

From interface java.security.Key

long

serialVersionUID

The class fingerprint that is set to indicate serialization compatibility with a previous version of the class.

Inherited Method Summary

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

public static final long serialVersionUID

The class fingerprint that is set to indicate serialization compatibility with a previous version of the class.

Constant Value: 7187392471159151072