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Java Standard Edition (SE)

KeyStore.PasswordProtection


compact1, compact2, compact3
java.security

Class KeyStore.PasswordProtection

    • Constructor Detail

      • PasswordProtection

        public PasswordProtection(char[] password)
        Creates a password parameter.

        The specified password is cloned before it is stored in the new PasswordProtection object.

        Parameters:
        password - the password, which may be null
      • PasswordProtection

        public PasswordProtection(char[] password,
                                  String protectionAlgorithm,
                                  AlgorithmParameterSpec protectionParameters)
        Creates a password parameter and specifies the protection algorithm and associated parameters to use when encrypting a keystore entry.

        The specified password is cloned before it is stored in the new PasswordProtection object.

        Parameters:
        password - the password, which may be null
        protectionAlgorithm - the encryption algorithm name, for example, PBEWithHmacSHA256AndAES_256. See the Cipher section in the Java Cryptography Architecture Standard Algorithm Name Documentation for information about standard encryption algorithm names.
        protectionParameters - the encryption algorithm parameter specification, which may be null
        Throws:
        NullPointerException - if protectionAlgorithm is null
        Since:
        1.8
    • Method Detail

      • getProtectionAlgorithm

        public String getProtectionAlgorithm()
        Gets the name of the protection algorithm. If none was set then the keystore provider will use its default protection algorithm. The name of the default protection algorithm for a given keystore type is set using the 'keystore.<type>.keyProtectionAlgorithm' security property. For example, the keystore.PKCS12.keyProtectionAlgorithm property stores the name of the default key protection algorithm used for PKCS12 keystores. If the security property is not set, an implementation-specific algorithm will be used.
        Returns:
        the algorithm name, or null if none was set
        Since:
        1.8
      • getProtectionParameters

        public AlgorithmParameterSpec getProtectionParameters()
        Gets the parameters supplied for the protection algorithm.
        Returns:
        the algorithm parameter specification, or null, if none was set
        Since:
        1.8
      • getPassword

        public char[] getPassword()
        Gets the password.

        Note that this method returns a reference to the password. If a clone of the array is created it is the caller's responsibility to zero out the password information after it is no longer needed.

        Returns:
        the password, which may be null
        Throws:
        IllegalStateException - if the password has been cleared (destroyed)
        See Also:
        destroy()
      • isDestroyed

        public boolean isDestroyed()
        Determines if password has been cleared.
        Specified by:
        isDestroyed in interface Destroyable
        Returns:
        true if the password has been cleared, false otherwise


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